Merge pull request #819 from brendanzagaeski/patch-1
[mono.git] / mcs / class / corlib / Test / System / DecimalTest.cs
index afd3b973d2e99a9fbe1ef2af6ffeef1048e0ea10..8419857df40583b95c61f7bc52508ac89980c344 100644 (file)
@@ -15,1409 +15,1551 @@ using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Threading;
 
-namespace MonoTests.System {
-    internal struct ParseTest
-    {
-        public ParseTest(String str, bool exceptionFlag)
-        {
-            this.str = str;
-            this.exceptionFlag = exceptionFlag;
-            this.style = NumberStyles.Number;
-            this.d = 0;
-        }
-
-        public ParseTest(String str, Decimal d)
-        {
-            this.str = str;
-            this.exceptionFlag = false;
-            this.style = NumberStyles.Number;
-            this.d = d;
-        }
-
-        public ParseTest(String str, Decimal d, NumberStyles style)
-        {
-            this.str = str;
-            this.exceptionFlag = false;
-            this.style = style;
-            this.d = d;
-        }
-
-        public String str;
-        public Decimal d;
-        public NumberStyles style;
-        public bool exceptionFlag;
-    }
-
-    internal struct ToStringTest
-    {
-        public ToStringTest(String format, Decimal d, String str)
-        {
-            this.format = format;
-            this.d = d;
-            this.str = str;
-        }
-
-        public String format;
-        public Decimal d;
-        public String str;
-    }
-
-    [TestFixture]
-    public class DecimalTest : Assertion
-    {
-        private const int negativeBitValue = unchecked ((int)0x80000000);
-        private const int negativeScale4Value = unchecked ((int)0x80040000);
-        private int [] parts0 = {0,0,0,0}; //Positive Zero.
-        private int [] parts1 = {1,0,0,0};
-        private int [] parts2 = {0,1,0,0};
-        private int [] parts3 = {0,0,1,0};
-        private int [] parts4 = {0,0,0,negativeBitValue}; // Negative zero.
-        private int [] parts5 = {1,1,1,0};
-        private int [] partsMaxValue = {-1,-1,-1,0};
-        private int [] partsMinValue = {-1,-1,-1,negativeBitValue};
-        private int [] parts6 = {1234, 5678, 8888, negativeScale4Value};
-        private NumberFormatInfo NfiUser;
-
-       private CultureInfo old_culture;
-
-       [TestFixtureSetUp]
-       public void FixtureSetUp ()
+namespace MonoTests.System
+{
+       internal struct ParseTest
        {
-               old_culture = Thread.CurrentThread.CurrentCulture;
-
-               // Set culture to en-US and don't let the user override.
-               Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
-
-               NfiUser = new NumberFormatInfo();
-               NfiUser.CurrencyDecimalDigits = 3;
-               NfiUser.CurrencyDecimalSeparator = ",";
-               NfiUser.CurrencyGroupSeparator = "_";
-               NfiUser.CurrencyGroupSizes = new int[] { 2,1,0 };
-               NfiUser.CurrencyNegativePattern = 10;
-               NfiUser.CurrencyPositivePattern = 3;
-               NfiUser.CurrencySymbol = "XYZ";
-               NfiUser.NumberDecimalSeparator = "##";
-               NfiUser.NumberDecimalDigits = 4;
-               NfiUser.NumberGroupSeparator = "__";
-               NfiUser.NumberGroupSizes = new int[] { 2,1 };
-               NfiUser.PercentDecimalDigits = 1;
-               NfiUser.PercentDecimalSeparator = ";";
-               NfiUser.PercentGroupSeparator = "~";
-               NfiUser.PercentGroupSizes = new int[] {1};
-               NfiUser.PercentNegativePattern = 2;
-               NfiUser.PercentPositivePattern = 2;
-               NfiUser.PercentSymbol = "%%%";
-        }
-
-       [TestFixtureTearDown]
-       public void FixtureTearDown ()
+               public ParseTest (String str, bool exceptionFlag)
+               {
+                       this.str = str;
+                       this.exceptionFlag = exceptionFlag;
+                       this.style = NumberStyles.Number;
+                       this.d = 0;
+               }
+
+               public ParseTest (String str, Decimal d)
+               {
+                       this.str = str;
+                       this.exceptionFlag = false;
+                       this.style = NumberStyles.Number;
+                       this.d = d;
+               }
+
+               public ParseTest (String str, Decimal d, NumberStyles style)
+               {
+                       this.str = str;
+                       this.exceptionFlag = false;
+                       this.style = style;
+                       this.d = d;
+               }
+
+               public String str;
+               public Decimal d;
+               public NumberStyles style;
+               public bool exceptionFlag;
+       }
+
+       internal struct ToStringTest
        {
-               Thread.CurrentThread.CurrentCulture = old_culture;
+               public ToStringTest (String format, Decimal d, String str)
+               {
+                       this.format = format;
+                       this.d = d;
+                       this.str = str;
+               }
+
+               public String format;
+               public Decimal d;
+               public String str;
        }
 
-       public void TestToString()
-        {
-            ToStringTest[] tab = {
-                new ToStringTest("F", 12.345678m, "12.35"),
-                new ToStringTest("F3", 12.345678m, "12.346"),
-                new ToStringTest("F0", 12.345678m, "12"),
-                new ToStringTest("F7", 12.345678m, "12.3456780"),
-                new ToStringTest("g", 12.345678m, "12.345678"),
-                new ToStringTest("E", 12.345678m, "1.234568E+001"),
-                new ToStringTest("E3", 12.345678m, "1.235E+001"),
-                new ToStringTest("E0", 12.345678m, "1E+001"),
-                new ToStringTest("e8", 12.345678m, "1.23456780e+001"),
-                new ToStringTest("F", 0.0012m, "0.00"),
-                new ToStringTest("F3", 0.0012m, "0.001"),
-                new ToStringTest("F0", 0.0012m, "0"),
-                new ToStringTest("F6", 0.0012m, "0.001200"),
-                new ToStringTest("e", 0.0012m, "1.200000e-003"),
-                new ToStringTest("E3", 0.0012m, "1.200E-003"),
-                new ToStringTest("E0", 0.0012m, "1E-003"),
-                new ToStringTest("E6", 0.0012m, "1.200000E-003"),
-                new ToStringTest("F4", -0.001234m, "-0.0012"),
-                new ToStringTest("E3", -0.001234m, "-1.234E-003"),
-#if NET_1_0
-               new ToStringTest("g", -0.000012m, "-1.2e-05"),
-#else
-                new ToStringTest("g", -0.000012m, "-0.000012"),
-#endif
-                new ToStringTest("g", -0.00012m, "-0.00012"),
-                new ToStringTest("g4", -0.00012m, "-0.00012"),
-                new ToStringTest("g7", -0.00012m, "-0.00012"),
-                new ToStringTest("g", -0.0001234m, "-0.0001234"),
-                new ToStringTest("g", -0.0012m, "-0.0012"),
-                new ToStringTest("g", -0.001234m, "-0.001234"),
-                new ToStringTest("g", -0.012m, "-0.012"),
-                new ToStringTest("g4", -0.012m, "-0.012"),
-                new ToStringTest("g", -0.12m, "-0.12"),
-                new ToStringTest("g", -1.2m, "-1.2"),
-                new ToStringTest("g4", -120m, "-120"),
-                new ToStringTest("g", -12m, "-12"),
-                new ToStringTest("g", -120m, "-120"),
-                new ToStringTest("g", -1200m, "-1200"),
-                new ToStringTest("g4", -1200m, "-1200"),
-                new ToStringTest("g", -1234m, "-1234"),
-                new ToStringTest("g", -12000m, "-12000"),
-                new ToStringTest("g4", -12000m, "-1.2e+04"),
-                new ToStringTest("g5", -12000m, "-12000"),
-                new ToStringTest("g", -12345m, "-12345"),
-                new ToStringTest("g", -120000m, "-120000"),
-                new ToStringTest("g4", -120000m, "-1.2e+05"),
-                new ToStringTest("g5", -120000m, "-1.2e+05"),
-                new ToStringTest("g6", -120000m, "-120000"),
-                new ToStringTest("g", -123456.1m, "-123456.1"),
-                new ToStringTest("g5", -123456.1m, "-1.2346e+05"),
-                new ToStringTest("g6", -123456.1m, "-123456"),
-                new ToStringTest("g", -1200000m, "-1200000"),
-                new ToStringTest("g", -123456.1m, "-123456.1"),
-                new ToStringTest("g", -123456.1m, "-123456.1"),
-                new ToStringTest("g", -1234567.1m, "-1234567.1"),
-                new ToStringTest("g", -12000000m, "-12000000"),
-                new ToStringTest("g", -12345678.1m, "-12345678.1"),
-                new ToStringTest("g", -12000000000000000000m, "-12000000000000000000"),
-                new ToStringTest("F", -123, "-123.00"),
-                new ToStringTest("F3", -123, "-123.000"),
-                new ToStringTest("F0", -123, "-123"),
-                new ToStringTest("E3", -123, "-1.230E+002"),
-                new ToStringTest("E0", -123, "-1E+002"),
-                new ToStringTest("E", -123, "-1.230000E+002"),
-                new ToStringTest("F3", Decimal.MinValue, "-79228162514264337593543950335.000"),
-                new ToStringTest("F", Decimal.MinValue, "-79228162514264337593543950335.00"),
-                new ToStringTest("F0", Decimal.MinValue, "-79228162514264337593543950335"),
-                new ToStringTest("E", Decimal.MinValue, "-7.922816E+028"),
-                new ToStringTest("E3", Decimal.MinValue, "-7.923E+028"),
-                new ToStringTest("E28", Decimal.MinValue, "-7.9228162514264337593543950335E+028"),
-                new ToStringTest("E30", Decimal.MinValue, "-7.922816251426433759354395033500E+028"),
-                new ToStringTest("E0", Decimal.MinValue, "-8E+028"),
-                new ToStringTest("N3", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.000"),
-                new ToStringTest("N0", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335"),
-                new ToStringTest("N", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.00"),
-                new ToStringTest("n3", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.000"),
-                new ToStringTest("n0", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335"),
-                new ToStringTest("n", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.00"),
-                new ToStringTest("C", 123456.7890m, NumberFormatInfo.InvariantInfo.CurrencySymbol + "123,456.79"),
-                new ToStringTest("C", -123456.7890m, "(" + NumberFormatInfo.InvariantInfo.CurrencySymbol + "123,456.79)"),
-                new ToStringTest("C3", 1123456.7890m, NumberFormatInfo.InvariantInfo.CurrencySymbol + "1,123,456.789"),
-                new ToStringTest("P", 123456.7891m, "12,345,678.91 %"),
-                new ToStringTest("P", -123456.7892m, "-12,345,678.92 %"),
-                new ToStringTest("P3", 1234.56789m, "123,456.789 %"),
-            };
-
-            NumberFormatInfo nfi = NumberFormatInfo.InvariantInfo;
-
-            for (int i = 0; i < tab.Length; i++) 
-            {
-                try
-                {
-                    string s = tab[i].d.ToString(tab[i].format, nfi);
-                   AssertEquals("A01 tab[" + i + "].format = '" + tab[i].format + "')", tab[i].str, s);
-                } 
-                catch (OverflowException)
-                {
-                    Fail(tab[i].d.ToString(tab[i].format, nfi) + " (format = '" + tab[i].format + "'): unexpected exception !");
-                }
-               catch (NUnit.Framework.AssertionException e) {
-                       throw e;
-               }
-               catch (Exception e) {
-                       Fail ("Unexpected Exception when i = " + i + ". e = " + e);
-               }
-            }      
-        }
-
-        public void TestCurrencyPattern()
-        {
-            NumberFormatInfo nfi2 = (NumberFormatInfo)NfiUser.Clone();
-            Decimal d = -1234567.8976m;
-            string[] ergCurrencyNegativePattern = new String[16] {
-                "(XYZ1234_5_67,898)", "-XYZ1234_5_67,898", "XYZ-1234_5_67,898", "XYZ1234_5_67,898-",
-                "(1234_5_67,898XYZ)", "-1234_5_67,898XYZ", "1234_5_67,898-XYZ", "1234_5_67,898XYZ-",
-                "-1234_5_67,898 XYZ", "-XYZ 1234_5_67,898", "1234_5_67,898 XYZ-", "XYZ 1234_5_67,898-",
-                "XYZ -1234_5_67,898", "1234_5_67,898- XYZ", "(XYZ 1234_5_67,898)", "(1234_5_67,898 XYZ)",
-            };
-
-            for (int i = 0; i < ergCurrencyNegativePattern.Length; i++) 
-            {
-                nfi2.CurrencyNegativePattern = i;
-                if (d.ToString("C", nfi2) != ergCurrencyNegativePattern[i]) 
-                {
-                    Fail("CurrencyNegativePattern #" + i + " failed: " +
-                        d.ToString("C", nfi2) + " != " + ergCurrencyNegativePattern[i]);
-                }
-            }
-
-            d = 1234567.8976m;
-            string[] ergCurrencyPositivePattern = new String[4] {
-                "XYZ1234_5_67,898", "1234_5_67,898XYZ", "XYZ 1234_5_67,898", "1234_5_67,898 XYZ",
-            };
-
-            for (int i = 0; i < ergCurrencyPositivePattern.Length; i++) 
-            {
-                nfi2.CurrencyPositivePattern = i;
-                if (d.ToString("C", nfi2) != ergCurrencyPositivePattern[i]) 
-                {
-                    Fail("CurrencyPositivePattern #" + i + " failed: " +
-                        d.ToString("C", nfi2) + " != " + ergCurrencyPositivePattern[i]);
-                }
-            }
-        }
-
-        public void TestNumberNegativePattern()
-        {
-            NumberFormatInfo nfi2 = (NumberFormatInfo)NfiUser.Clone();
-            Decimal d = -1234.89765m;
-            string[] ergNumberNegativePattern = new String[5] {
-                "(1__2__34##8977)", "-1__2__34##8977", "- 1__2__34##8977", "1__2__34##8977-", "1__2__34##8977 -",
-            };
-
-            for (int i = 0; i < ergNumberNegativePattern.Length; i++) 
-            {
-                nfi2.NumberNegativePattern = i;
-               AssertEquals ("NumberNegativePattern #" + i, ergNumberNegativePattern[i], d.ToString("N", nfi2));
-            }
-        }
-        
-        public void TestPercentPattern()
-        {
-            NumberFormatInfo nfi2 = (NumberFormatInfo)NfiUser.Clone();
-            Decimal d = -1234.8976m;
-            string[] ergPercentNegativePattern = new String[3] {
-                "-1~2~3~4~8~9;8 %%%", "-1~2~3~4~8~9;8%%%", "-%%%1~2~3~4~8~9;8"
-            };
-
-            for (int i = 0; i < ergPercentNegativePattern.Length; i++) 
-            {
-                nfi2.PercentNegativePattern = i;
-                if (d.ToString("P", nfi2) != ergPercentNegativePattern[i]) 
-                {
-                    Fail("PercentNegativePattern #" + i + " failed: " +
-                        d.ToString("P", nfi2) + " != " + ergPercentNegativePattern[i]);
-                }
-            }
-
-            d = 1234.8976m;
-            string[] ergPercentPositivePattern = new String[3] {
-                "1~2~3~4~8~9;8 %%%", "1~2~3~4~8~9;8%%%", "%%%1~2~3~4~8~9;8"
-            };
-
-            for (int i = 0; i < ergPercentPositivePattern.Length; i++) 
-            {
-                nfi2.PercentPositivePattern = i;
-                if (d.ToString("P", nfi2) != ergPercentPositivePattern[i]) 
-                {
-                    Fail("PercentPositivePattern #" + i + " failed: " +
-                        d.ToString("P", nfi2) + " != " + ergPercentPositivePattern[i]);
-                }
-            }
-        }
-
-        ParseTest[] tab = {
-                new ParseTest("1.2345", 1.2345m),
-                new ParseTest("-9876543210", -9876543210m),
-                new ParseTest(NumberFormatInfo.InvariantInfo.CurrencySymbol 
-                       + " (  79,228,162,514,264,337,593,543,950,335.000 ) ", Decimal.MinValue, NumberStyles.Currency),
-                new ParseTest("1.234567890e-10", (Decimal)1.234567890e-10, NumberStyles.Float),
-                new ParseTest("1.234567890e-24", 1.2346e-24m, NumberStyles.Float),
-                new ParseTest("  47896396.457983645462346E10  ", 478963964579836454.62346m, NumberStyles.Float),
-                new ParseTest("-7922816251426433759354395033.250000000000001", -7922816251426433759354395033.3m),
-                new ParseTest("-00000000000000795033.2500000000000000", -795033.25m),
-                new ParseTest("-000000000000001922816251426433759354395033.300000000000000", -1922816251426433759354395033.3m),
-                new ParseTest("-7922816251426433759354395033.150000000000", -7922816251426433759354395033.2m),
-                new ParseTest("-7922816251426433759354395033.2400000000000", -7922816251426433759354395033.2m),
-                new ParseTest("-7922816251426433759354395033.2600000000000", -7922816251426433759354395033.3m)
-        };
-
-        public void TestParse()
-        {
-
-            Decimal d;
-            for (int i = 0; i < tab.Length; i++) 
-            {
-                try
-                {
-                    d = Decimal.Parse(tab[i].str, tab[i].style, NumberFormatInfo.InvariantInfo);
-                    if (tab[i].exceptionFlag)
-                    {
-                        Fail(tab[i].str + ": missing exception !");
-                    }
-                    else if (d != tab[i].d) 
-                    {
-                        Fail(tab[i].str + " != " + d);
-                    }
-                } 
-                catch (OverflowException)
-                {
-                    if (!tab[i].exceptionFlag)
-                    {
-                        Fail(tab[i].str + ": unexpected exception !");
-                    }
-                }
-            }  
-    
-            try 
-            {
-                d = Decimal.Parse(null);
-                Fail("Expected ArgumentNullException");
-            }
-            catch (ArgumentNullException)
-            {
-                //ok
-            }
-
-            try 
-            {
-                d = Decimal.Parse("123nx");
-                Fail("Expected FormatException");
-            }
-            catch (FormatException)
-            {
-                //ok
-            }
-
-            try 
-            {
-                d = Decimal.Parse("79228162514264337593543950336");
-                Fail("Expected OverflowException" + d);
-            }
-            catch (OverflowException)
-            {
-                //ok
-            }
-        }
-
-        public void TestConstants()
-        {
-            AssertEquals ("Zero", 0m, Decimal.Zero);
-            AssertEquals ("One", 1m, Decimal.One);
-            AssertEquals ("MinusOne", -1m, Decimal.MinusOne);
-            AssertEquals ("MaxValue", 79228162514264337593543950335m, Decimal.MaxValue);
-            AssertEquals ("MinValue", -79228162514264337593543950335m, Decimal.MinValue);       
-            Assert ("MinusOne 2", -1m == Decimal.MinusOne);
-        }
-
-        public void TestConstructInt32()
-        {
-            decimal[] dtab = {0m, 1m, -1m, 123456m, -1234567m};
-            int[] itab = {0, 1, -1, 123456, -1234567};
-
-            Decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = new Decimal(itab[i]);
-                if ((decimal)d != dtab[i]) 
-                {
-                    Fail("Int32 -> Decimal: " + itab[i] + " != " + d);
-                }
-                else 
-                {
-                    int n = (int) d;
-                    if (n != itab[i]) 
-                    {
-                        Fail("Decimal -> Int32: " + d + " != " + itab[i]);
-                    }
-                }
-            }
-
-            d = new Decimal(Int32.MaxValue);
-            Assert((int)d == Int32.MaxValue);
-
-            d = new Decimal(Int32.MinValue);
-            Assert((int)d == Int32.MinValue);
-        }
-
-        public void TestConstructUInt32()
-        {
-            decimal[] dtab = {0m, 1m, 123456m, 123456789m};
-            uint[] itab = {0, 1, 123456, 123456789};
-
-            Decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = new Decimal(itab[i]);
-                if ((decimal)d != dtab[i]) 
-                {
-                    Fail("UInt32 -> Decimal: " + itab[i] + " != " + d);
-                }
-                else 
-                {
-                    uint n = (uint) d;
-                    if (n != itab[i]) 
-                    {
-                        Fail("Decimal -> UInt32: " + d + " != " + itab[i]);
-                    }
-                }
-            }
-
-            d = new Decimal(UInt32.MaxValue);
-            Assert((uint)d == UInt32.MaxValue);
-
-            d = new Decimal(UInt32.MinValue);
-            Assert((uint)d == UInt32.MinValue);
-        }
-
-        public void TestConstructInt64()
-        {
-            decimal[] dtab = {0m, 1m, -1m, 9876543m, -9876543210m, 12345678987654321m};
-            long[] itab = {0, 1, -1, 9876543, -9876543210L, 12345678987654321L};
-
-            Decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = new Decimal(itab[i]);
-                if ((decimal)d != dtab[i]) 
-                {
-                    Fail("Int64 -> Decimal: " + itab[i] + " != " + d);
-                }
-                else 
-                {
-                    long n = (long) d;
-                    if (n != itab[i]) 
-                    {
-                        Fail("Decimal -> Int64: " + d + " != " + itab[i]);
-                    }
-                }
-            }
-
-            d = new Decimal(Int64.MaxValue);
-            Assert((long)d == Int64.MaxValue);
-
-            d = new Decimal(Int64.MinValue);
-            Assert((long)d == Int64.MinValue);
-        }
-
-        public void TestConstructUInt64()
-        {
-            decimal[] dtab = {0m, 1m, 987654321m, 123456789876543210m};
-            ulong[] itab = {0, 1, 987654321, 123456789876543210L};
-
-            Decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = new Decimal(itab[i]);
-                if ((decimal)d != dtab[i]) 
-                {
-                    Fail("UInt64 -> Decimal: " + itab[i] + " != " + d);
-                }
-                else 
-                {
-                    ulong n = (ulong) d;
-                    if (n != itab[i]) 
-                    {
-                        Fail("Decimal -> UInt64: " + d + " != " + itab[i]);
-                    }
-                }
-            }
-
-            d = new Decimal(UInt64.MaxValue);
-            Assert((ulong)d == UInt64.MaxValue);
-
-            d = new Decimal(UInt64.MinValue);
-            Assert((ulong)d == UInt64.MinValue);
-        }
-
-        public void TestConstructSingle()
-        {
-            Decimal d;
-
-            d = new Decimal(-1.2345678f);
-            AssertEquals("A#01", -1.234568m, (decimal)d);
-
-            d=3;
-            AssertEquals("A#02", 3.0f, (float)d);
-
-            d = new Decimal(0.0f);
-            AssertEquals("A#03", 0m, (decimal)d);
-            AssertEquals("A#04", 0.0f, (float)d);
-
-            d = new Decimal(1.0f);
-            AssertEquals("A#05", 1m, (decimal)d);
-            AssertEquals("A#06", 1.0f, (float)d);
-
-            d = new Decimal(-1.2345678f);
-            AssertEquals("A#07", -1.234568m, (decimal)d);
-            AssertEquals("A#08", -1.234568f, (float)d);
-
-            d = new Decimal(1.2345673f);
-            AssertEquals("A#09", 1.234567m, (decimal)d);
-
-            d = new Decimal(1.2345673e7f);
-            AssertEquals("A#10", 12345670m, (decimal)d);
-
-            d = new Decimal(1.2345673e-17f);
-            AssertEquals("A#11", 0.00000000000000001234567m, (decimal)d);
-            AssertEquals("A#12", 1.234567e-17f, (float)d);
-
-            // test exceptions
-            try
-            {
-                d = new Decimal(Single.MaxValue);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-
-            try
-            {
-                d = new Decimal(Single.NaN);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-
-            try
-            {
-                d = new Decimal(Single.PositiveInfinity);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-        }
-
-       public void TestConstructSingleRounding_NowWorking ()
+       [TestFixture]
+       public class DecimalTest
        {
-            decimal d;
+               private const int negativeBitValue = unchecked ((int) 0x80000000);
+               private const int negativeScale4Value = unchecked ((int) 0x80040000);
+               private int [] parts0 = { 0, 0, 0, 0 }; //Positive Zero.
+               private int [] parts1 = { 1, 0, 0, 0 };
+               private int [] parts2 = { 0, 1, 0, 0 };
+               private int [] parts3 = { 0, 0, 1, 0 };
+               private int [] parts4 = { 0, 0, 0, negativeBitValue }; // Negative zero.
+               private int [] parts5 = { 1, 1, 1, 0 };
+               private int [] partsMaxValue = { -1, -1, -1, 0 };
+               private int [] partsMinValue = { -1, -1, -1, negativeBitValue };
+               private int [] parts6 = { 1234, 5678, 8888, negativeScale4Value };
+               private NumberFormatInfo NfiUser, NfiBroken;
+
+               private CultureInfo old_culture;
+
+               [TestFixtureSetUp]
+               public void FixtureSetUp ()
+               {
+                       old_culture = Thread.CurrentThread.CurrentCulture;
+
+                       // Set culture to en-US and don't let the user override.
+                       Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
+
+                       NfiUser = new NumberFormatInfo ();
+                       NfiUser.CurrencyDecimalDigits = 3;
+                       NfiUser.CurrencyDecimalSeparator = ",";
+                       NfiUser.CurrencyGroupSeparator = "_";
+                       NfiUser.CurrencyGroupSizes = new int [] { 2, 1, 0 };
+                       NfiUser.CurrencyNegativePattern = 10;
+                       NfiUser.CurrencyPositivePattern = 3;
+                       NfiUser.CurrencySymbol = "XYZ";
+                       NfiUser.NumberDecimalSeparator = "##";
+                       NfiUser.NumberDecimalDigits = 4;
+                       NfiUser.NumberGroupSeparator = "__";
+                       NfiUser.NumberGroupSizes = new int [] { 2, 1 };
+                       NfiUser.PercentDecimalDigits = 1;
+                       NfiUser.PercentDecimalSeparator = ";";
+                       NfiUser.PercentGroupSeparator = "~";
+                       NfiUser.PercentGroupSizes = new int [] { 1 };
+                       NfiUser.PercentNegativePattern = 2;
+                       NfiUser.PercentPositivePattern = 2;
+                       NfiUser.PercentSymbol = "%%%";
+
+                       NfiBroken = new NumberFormatInfo ();
+                       NfiBroken.NumberDecimalSeparator = ".";
+                       NfiBroken.NumberGroupSeparator = ".";
+                       NfiBroken.CurrencyDecimalSeparator = ".";
+                       NfiBroken.CurrencyGroupSeparator = ".";
+               }
 
-            d = new Decimal(1765.23454f);
-            AssertEquals ("failed banker's rule rounding test 2", 1765.234m, d);
+               [TestFixtureTearDown]
+               public void FixtureTearDown ()
+               {
+                       Thread.CurrentThread.CurrentCulture = old_culture;
+               }
 
-            d = new Decimal(0.00017652356f);
-            AssertEquals ("06", 0.0001765236m, d);
+               [Test]
+               public void TestToString ()
+               {
+                       ToStringTest [] tab = {
+                               new ToStringTest ("F", 12.345678m, "12.35"),
+                               new ToStringTest ("F3", 12.345678m, "12.346"),
+                               new ToStringTest ("F0", 12.345678m, "12"),
+                               new ToStringTest ("F7", 12.345678m, "12.3456780"),
+                               new ToStringTest ("g", 12.345678m, "12.345678"),
+                               new ToStringTest ("E", 12.345678m, "1.234568E+001"),
+                               new ToStringTest ("E3", 12.345678m, "1.235E+001"),
+                               new ToStringTest ("E0", 12.345678m, "1E+001"),
+                               new ToStringTest ("e8", 12.345678m, "1.23456780e+001"),
+                               new ToStringTest ("F", 0.0012m, "0.00"),
+                               new ToStringTest ("F3", 0.0012m, "0.001"),
+                               new ToStringTest ("F0", 0.0012m, "0"),
+                               new ToStringTest ("F6", 0.0012m, "0.001200"),
+                               new ToStringTest ("e", 0.0012m, "1.200000e-003"),
+                               new ToStringTest ("E3", 0.0012m, "1.200E-003"),
+                               new ToStringTest ("E0", 0.0012m, "1E-003"),
+                               new ToStringTest ("E6", 0.0012m, "1.200000E-003"),
+                               new ToStringTest ("F4", -0.001234m, "-0.0012"),
+                               new ToStringTest ("E3", -0.001234m, "-1.234E-003"),
+                               new ToStringTest ("g", -0.000012m, "-0.000012"),
+                               new ToStringTest ("g0", -0.000012m, "-1.2e-05"),
+                               new ToStringTest ("g2", -0.000012m, "-1.2e-05"),
+                               new ToStringTest ("g20", -0.000012m, "-1.2e-05"),
+                               new ToStringTest ("g", -0.00012m, "-0.00012"),
+                               new ToStringTest ("g4", -0.00012m, "-0.00012"),
+                               new ToStringTest ("g7", -0.00012m, "-0.00012"),
+                               new ToStringTest ("g", -0.0001234m, "-0.0001234"),
+                               new ToStringTest ("g", -0.0012m, "-0.0012"),
+                               new ToStringTest ("g", -0.001234m, "-0.001234"),
+                               new ToStringTest ("g", -0.012m, "-0.012"),
+                               new ToStringTest ("g4", -0.012m, "-0.012"),
+                               new ToStringTest ("g", -0.12m, "-0.12"),
+                               new ToStringTest ("g", -1.2m, "-1.2"),
+                               new ToStringTest ("g4", -120m, "-120"),
+                               new ToStringTest ("g", -12.000m, "-12.000"),
+                               new ToStringTest ("g0", -12.000m, "-12"),
+                               new ToStringTest ("g6", -12.000m, "-12"),
+                               new ToStringTest ("g", -12m, "-12"),
+                               new ToStringTest ("g", -120m, "-120"),
+                               new ToStringTest ("g", -1200m, "-1200"),
+                               new ToStringTest ("g4", -1200m, "-1200"),
+                               new ToStringTest ("g", -1234m, "-1234"),
+                               new ToStringTest ("g", -12000m, "-12000"),
+                               new ToStringTest ("g4", -12000m, "-1.2e+04"),
+                               new ToStringTest ("g5", -12000m, "-12000"),
+                               new ToStringTest ("g", -12345m, "-12345"),
+                               new ToStringTest ("g", -120000m, "-120000"),
+                               new ToStringTest ("g4", -120000m, "-1.2e+05"),
+                               new ToStringTest ("g5", -120000m, "-1.2e+05"),
+                               new ToStringTest ("g6", -120000m, "-120000"),
+                               new ToStringTest ("g", -123456.1m, "-123456.1"),
+                               new ToStringTest ("g5", -123456.1m, "-1.2346e+05"),
+                               new ToStringTest ("g6", -123456.1m, "-123456"),
+                               new ToStringTest ("g", -1200000m, "-1200000"),
+                               new ToStringTest ("g", -123456.1m, "-123456.1"),
+                               new ToStringTest ("g", -123456.1m, "-123456.1"),
+                               new ToStringTest ("g", -1234567.1m, "-1234567.1"),
+                               new ToStringTest ("g", -12000000m, "-12000000"),
+                               new ToStringTest ("g", -12345678.1m, "-12345678.1"),
+                               new ToStringTest ("g", -12000000000000000000m, "-12000000000000000000"),
+                               new ToStringTest ("F", -123, "-123.00"),
+                               new ToStringTest ("F3", -123, "-123.000"),
+                               new ToStringTest ("F0", -123, "-123"),
+                               new ToStringTest ("E3", -123, "-1.230E+002"),
+                               new ToStringTest ("E0", -123, "-1E+002"),
+                               new ToStringTest ("E", -123, "-1.230000E+002"),
+                               new ToStringTest ("F3", Decimal.MinValue, "-79228162514264337593543950335.000"),
+                               new ToStringTest ("F", Decimal.MinValue, "-79228162514264337593543950335.00"),
+                               new ToStringTest ("F0", Decimal.MinValue, "-79228162514264337593543950335"),
+                               new ToStringTest ("E", Decimal.MinValue, "-7.922816E+028"),
+                               new ToStringTest ("E3", Decimal.MinValue, "-7.923E+028"),
+                               new ToStringTest ("E28", Decimal.MinValue, "-7.9228162514264337593543950335E+028"),
+#if !TARGET_JVM // TargetJvmNotWorking
+                               new ToStringTest ("E30", Decimal.MinValue, "-7.922816251426433759354395033500E+028"),
+#endif
+                               new ToStringTest ("E0", Decimal.MinValue, "-8E+028"),
+                               new ToStringTest ("N3", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.000"),
+                               new ToStringTest ("N0", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335"),
+                               new ToStringTest ("N", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.00"),
+                               new ToStringTest ("n3", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.000"),
+                               new ToStringTest ("n0", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335"),
+                               new ToStringTest ("n", Decimal.MinValue, "-79,228,162,514,264,337,593,543,950,335.00"),
+                               new ToStringTest ("C", 123456.7890m, NumberFormatInfo.InvariantInfo.CurrencySymbol + "123,456.79"),
+                               new ToStringTest ("C", -123456.7890m, "(" + NumberFormatInfo.InvariantInfo.CurrencySymbol + "123,456.79)"),
+                               new ToStringTest ("C3", 1123456.7890m, NumberFormatInfo.InvariantInfo.CurrencySymbol + "1,123,456.789"),
+                               new ToStringTest ("P", 123456.7891m, "12,345,678.91 %"),
+                               new ToStringTest ("P", -123456.7892m, "-12,345,678.92 %"),
+                               new ToStringTest ("P3", 1234.56789m, "123,456.789 %"),
+                       };
+
+                       NumberFormatInfo nfi = NumberFormatInfo.InvariantInfo;
+
+                       for (int i = 0; i < tab.Length; i++) {
+                               try {
+                                       string s = tab [i].d.ToString (tab [i].format, nfi);
+                                       Assert.AreEqual (tab [i].str, s, "A01 tab[" + i + "].format = '" + tab [i].format + "')");
+                               } catch (OverflowException) {
+                                       Assert.Fail (tab [i].d.ToString (tab [i].format, nfi) + " (format = '" + tab [i].format + "'): unexpected exception !");
+                               } catch (NUnit.Framework.AssertionException e) {
+                                       throw e;
+                               } catch (Exception e) {
+                                       Assert.Fail ("Unexpected Exception when i = " + i + ". e = " + e);
+                               }
+                       }
+               }
 
-            d = new Decimal(0.000176523554f);
-            AssertEquals ("failed banker's rule rounding test 3", 0.0001765236m, d);
+               [Test]
+               public void TestCurrencyPattern ()
+               {
+                       NumberFormatInfo nfi2 = (NumberFormatInfo) NfiUser.Clone ();
+                       Decimal d = -1234567.8976m;
+                       string [] ergCurrencyNegativePattern = new String [16] {
+                               "(XYZ1234_5_67,898)", "-XYZ1234_5_67,898", "XYZ-1234_5_67,898", "XYZ1234_5_67,898-",
+                               "(1234_5_67,898XYZ)", "-1234_5_67,898XYZ", "1234_5_67,898-XYZ", "1234_5_67,898XYZ-",
+                               "-1234_5_67,898 XYZ", "-XYZ 1234_5_67,898", "1234_5_67,898 XYZ-", "XYZ 1234_5_67,898-",
+                               "XYZ -1234_5_67,898", "1234_5_67,898- XYZ", "(XYZ 1234_5_67,898)", "(1234_5_67,898 XYZ)",
+                       };
+
+                       for (int i = 0; i < ergCurrencyNegativePattern.Length; i++) {
+                               nfi2.CurrencyNegativePattern = i;
+                               if (d.ToString ("C", nfi2) != ergCurrencyNegativePattern [i]) {
+                                       Assert.Fail ("CurrencyNegativePattern #" + i + " failed: " +
+                                               d.ToString ("C", nfi2) + " != " + ergCurrencyNegativePattern [i]);
+                               }
+                       }
+
+                       d = 1234567.8976m;
+                       string [] ergCurrencyPositivePattern = new String [4] {
+                               "XYZ1234_5_67,898", "1234_5_67,898XYZ", "XYZ 1234_5_67,898", "1234_5_67,898 XYZ",
+                       };
+
+                       for (int i = 0; i < ergCurrencyPositivePattern.Length; i++) {
+                               nfi2.CurrencyPositivePattern = i;
+                               if (d.ToString ("C", nfi2) != ergCurrencyPositivePattern [i]) {
+                                       Assert.Fail ("CurrencyPositivePattern #" + i + " failed: " +
+                                               d.ToString ("C", nfi2) + " != " + ergCurrencyPositivePattern [i]);
+                               }
+                       }
+               }
 
-            d = new Decimal(0.00017652354f);
-            AssertEquals ("08", 0.0001765235m, d);
+               [Test]
+               public void TestNumberNegativePattern ()
+               {
+                       NumberFormatInfo nfi2 = (NumberFormatInfo) NfiUser.Clone ();
+                       Decimal d = -1234.89765m;
+                       string [] ergNumberNegativePattern = new String [5] {
+                               "(1__2__34##8977)", "-1__2__34##8977", "- 1__2__34##8977", "1__2__34##8977-", "1__2__34##8977 -",
+                       };
+
+                       for (int i = 0; i < ergNumberNegativePattern.Length; i++) {
+                               nfi2.NumberNegativePattern = i;
+                               Assert.AreEqual (ergNumberNegativePattern [i], d.ToString ("N", nfi2), "NumberNegativePattern #" + i);
+                       }
+               }
 
-            d = new Decimal(0.00017652346f);
-            AssertEquals ("09", 0.0001765235m, d);
+               [Test]
+               public void TestBrokenNFI ()
+               {
+                       Assert.AreEqual (5.3m, decimal.Parse ("5.3", NumberStyles.Number, NfiBroken), "Parsing with broken NFI");
+               }
+               
+               [Test]
+               [Category ("TargetJvmNotWorking")]
+               public void TestPercentPattern ()
+               {
+                       NumberFormatInfo nfi2 = (NumberFormatInfo) NfiUser.Clone ();
+                       Decimal d = -1234.8976m;
+                       string [] ergPercentNegativePattern = new String [3] {
+                               "-1~2~3~4~8~9;8 %%%", "-1~2~3~4~8~9;8%%%", "-%%%1~2~3~4~8~9;8"
+                       };
+
+                       for (int i = 0; i < ergPercentNegativePattern.Length; i++) {
+                               nfi2.PercentNegativePattern = i;
+                               if (d.ToString ("P", nfi2) != ergPercentNegativePattern [i]) {
+                                       Assert.Fail ("PercentNegativePattern #" + i + " failed: " +
+                                               d.ToString ("P", nfi2) + " != " + ergPercentNegativePattern [i]);
+                               }
+                       }
+
+                       d = 1234.8976m;
+                       string [] ergPercentPositivePattern = new String [3] {
+                               "1~2~3~4~8~9;8 %%%", "1~2~3~4~8~9;8%%%", "%%%1~2~3~4~8~9;8"
+                       };
+
+                       for (int i = 0; i < ergPercentPositivePattern.Length; i++) {
+                               nfi2.PercentPositivePattern = i;
+                               if (d.ToString ("P", nfi2) != ergPercentPositivePattern [i]) {
+                                       Assert.Fail ("PercentPositivePattern #" + i + " failed: " +
+                                               d.ToString ("P", nfi2) + " != " + ergPercentPositivePattern [i]);
+                               }
+                       }
+               }
 
-            d = new Decimal(0.000176523454f);
-            AssertEquals ("failed banker's rule rounding test 4", 0.0001765234m, d);
+               ParseTest [] tab = {
+                               new ParseTest("1.2345", 1.2345m),
+                               new ParseTest("1.2345\0", 1.2345m),
+                               new ParseTest("1.2345\0\0\0\0", 1.2345m),
+                               new ParseTest("-9876543210", -9876543210m),
+                               new ParseTest(NumberFormatInfo.InvariantInfo.CurrencySymbol 
+                                       + " (  79,228,162,514,264,337,593,543,950,335.000 ) ", 
+                                       Decimal.MinValue, NumberStyles.Currency),
+                               new ParseTest("1.234567890e-10", (Decimal)1.234567890e-10, NumberStyles.Float),
+                               new ParseTest("1.234567890e-24", 1.2346e-24m, NumberStyles.Float),
+                               new ParseTest("  47896396.457983645462346E10  ", 478963964579836454.62346m, NumberStyles.Float),
+                               new ParseTest("-7922816251426433759354395033.250000000000001", -7922816251426433759354395033.3m),
+                               new ParseTest("-00000000000000795033.2500000000000000", -795033.25m),
+                               new ParseTest("-000000000000001922816251426433759354395033.300000000000000", -1922816251426433759354395033.3m),
+                               new ParseTest("-7922816251426433759354395033.150000000000", -7922816251426433759354395033.2m),
+                               new ParseTest("-7922816251426433759354395033.2400000000000", -7922816251426433759354395033.2m),
+                               new ParseTest("-7922816251426433759354395033.2600000000000", -7922816251426433759354395033.3m),
+                               new ParseTest("987654321098765432109876543.25999", 987654321098765432109876543.3m, NumberStyles.Float),
+                               new ParseTest("987654321098765432109876543.25199", 987654321098765432109876543.3m, NumberStyles.Float),
+                               new ParseTest("2.22222222222222222222222222225", 2.2222222222222222222222222222m, NumberStyles.Float)
+               };
+
+               [Test]
+               [Category ("TargetJvmNotWorking")]
+               public void TestParse ()
+               {
+
+                       Decimal d;
+                       for (int i = 0; i < tab.Length; i++) {
+                               try {
+                                       d = Decimal.Parse (tab [i].str, tab [i].style, NumberFormatInfo.InvariantInfo);
+                                       if (tab [i].exceptionFlag) {
+                                               Assert.Fail (tab [i].str + ": missing exception !");
+                                       } else if (d != tab [i].d) {
+                                               Assert.Fail (tab [i].str + " != " + d);
+                                       }
+                               } catch (OverflowException) {
+                                       if (!tab [i].exceptionFlag) {
+                                               Assert.Fail (tab [i].str + ": unexpected exception !");
+                                       }
+                               }
+                       }
+
+                       try {
+                               d = Decimal.Parse (null);
+                               Assert.Fail ("Expected ArgumentNullException");
+                       } catch (ArgumentNullException) {
+                               //ok
+                       }
+
+                       try {
+                               d = Decimal.Parse ("123nx");
+                               Assert.Fail ("Expected FormatException");
+                       } catch (FormatException) {
+                               //ok
+                       }
+
+                       try {
+                               d = Decimal.Parse ("79228162514264337593543950336");
+                               Assert.Fail ("Expected OverflowException" + d);
+                       } catch (OverflowException) {
+                               //ok
+                       }
+
+                       try {
+                               d = Decimal.Parse ("5\05");
+                               Assert.Fail ("Expected FormatException" + d);
+                       } catch (FormatException) {
+                               //ok
+                       }
+               }
 
-            d = new Decimal(0.00017652344f);
-            AssertEquals ("11", 0.0001765234m, d);
-       }
+               [Test]
+               public void TestConstants ()
+               {
+                       Assert.AreEqual (0m, Decimal.Zero, "Zero");
+                       Assert.AreEqual (1m, Decimal.One, "One");
+                       Assert.AreEqual (-1m, Decimal.MinusOne, "MinusOne");
+                       Assert.AreEqual (79228162514264337593543950335m, Decimal.MaxValue, "MaxValue");
+                       Assert.AreEqual (-79228162514264337593543950335m, Decimal.MinValue, "MinValue");
+                       Assert.IsTrue (-1m == Decimal.MinusOne, "MinusOne 2");
+               }
 
-        public void TestConstructSingleRounding()
-        {
-            decimal d;
+               [Test]
+               public void TestConstructInt32 ()
+               {
+                       decimal [] dtab = { 0m, 1m, -1m, 123456m, -1234567m };
+                       int [] itab = { 0, 1, -1, 123456, -1234567 };
+
+                       Decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = new Decimal (itab [i]);
+                               if ((decimal) d != dtab [i]) {
+                                       Assert.Fail ("Int32 -> Decimal: " + itab [i] + " != " + d);
+                               } else {
+                                       int n = (int) d;
+                                       if (n != itab [i]) {
+                                               Assert.Fail ("Decimal -> Int32: " + d + " != " + itab [i]);
+                                       }
+                               }
+                       }
+
+                       d = new Decimal (Int32.MaxValue);
+                       Assert.IsTrue ((int) d == Int32.MaxValue);
+
+                       d = new Decimal (Int32.MinValue);
+                       Assert.IsTrue ((int) d == Int32.MinValue);
+               }
 
-            d = new Decimal(1765.2356f);
-            Assert("01", d == 1765.236m);
+               [Test]
+               public void TestConstructUInt32 ()
+               {
+                       decimal [] dtab = { 0m, 1m, 123456m, 123456789m };
+                       uint [] itab = { 0, 1, 123456, 123456789 };
+
+                       Decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = new Decimal (itab [i]);
+                               if ((decimal) d != dtab [i]) {
+                                       Assert.Fail ("UInt32 -> Decimal: " + itab [i] + " != " + d);
+                               } else {
+                                       uint n = (uint) d;
+                                       if (n != itab [i]) {
+                                               Assert.Fail ("Decimal -> UInt32: " + d + " != " + itab [i]);
+                                       }
+                               }
+                       }
+
+                       d = new Decimal (UInt32.MaxValue);
+                       Assert.IsTrue ((uint) d == UInt32.MaxValue);
+
+                       d = new Decimal (UInt32.MinValue);
+                       Assert.IsTrue ((uint) d == UInt32.MinValue);
+               }
 
-            d = new Decimal(1765.23554f);
-            Assert("failed banker's rule rounding test 1", d == 1765.236m);
+               [Test]
+               public void TestConstructInt64 ()
+               {
+                       decimal [] dtab = { 0m, 1m, -1m, 9876543m, -9876543210m, 12345678987654321m };
+                       long [] itab = { 0, 1, -1, 9876543, -9876543210L, 12345678987654321L };
+
+                       Decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = new Decimal (itab [i]);
+                               if ((decimal) d != dtab [i]) {
+                                       Assert.Fail ("Int64 -> Decimal: " + itab [i] + " != " + d);
+                               } else {
+                                       long n = (long) d;
+                                       if (n != itab [i]) {
+                                               Assert.Fail ("Decimal -> Int64: " + d + " != " + itab [i]);
+                                       }
+                               }
+                       }
+
+                       d = new Decimal (Int64.MaxValue);
+                       Assert.IsTrue ((long) d == Int64.MaxValue);
+
+                       d = new Decimal (Int64.MinValue);
+                       Assert.IsTrue ((long) d == Int64.MinValue);
+               }
 
-            d = new Decimal(1765.2354f);
-            Assert("03", d == 1765.235m);
+               [Test]
+               public void TestConstructUInt64 ()
+               {
+                       decimal [] dtab = { 0m, 1m, 987654321m, 123456789876543210m };
+                       ulong [] itab = { 0, 1, 987654321, 123456789876543210L };
+
+                       Decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = new Decimal (itab [i]);
+                               if ((decimal) d != dtab [i]) {
+                                       Assert.Fail ("UInt64 -> Decimal: " + itab [i] + " != " + d);
+                               } else {
+                                       ulong n = (ulong) d;
+                                       if (n != itab [i]) {
+                                               Assert.Fail ("Decimal -> UInt64: " + d + " != " + itab [i]);
+                                       }
+                               }
+                       }
+
+                       d = new Decimal (UInt64.MaxValue);
+                       Assert.IsTrue ((ulong) d == UInt64.MaxValue);
+
+                       d = new Decimal (UInt64.MinValue);
+                       Assert.IsTrue ((ulong) d == UInt64.MinValue);
+               }
 
-            d = new Decimal(1765.2346f);
-            Assert("04", d == 1765.235m);
+               [Test]
+               public void TestConstructSingle ()
+               {
+                       Decimal d;
+
+                       d = new Decimal (-1.2345678f);
+                       Assert.AreEqual (-1.234568m, (decimal) d, "A#01");
+
+                       d = 3;
+                       Assert.AreEqual (3.0f, (float) d, "A#02");
+
+                       d = new Decimal (0.0f);
+                       Assert.AreEqual (0m, (decimal) d, "A#03");
+                       Assert.AreEqual (0.0f, (float) d, "A#04");
+
+                       d = new Decimal (1.0f);
+                       Assert.AreEqual (1m, (decimal) d, "A#05");
+                       Assert.AreEqual (1.0f, (float) d, "A#06");
+
+                       d = new Decimal (-1.2345678f);
+                       Assert.AreEqual (-1.234568m, (decimal) d, "A#07");
+                       Assert.AreEqual (-1.234568f, (float) d, "A#08");
+
+                       d = new Decimal (1.2345673f);
+                       Assert.AreEqual (1.234567m, (decimal) d, "A#09");
+
+                       d = new Decimal (1.2345673e7f);
+                       Assert.AreEqual (12345670m, (decimal) d, "A#10");
+
+                       d = new Decimal (1.2345673e-17f);
+                       Assert.AreEqual (0.00000000000000001234567m, (decimal) d, "A#11");
+                       Assert.AreEqual (1.234567e-17f, (float) d, "A#12");
+
+                       // test exceptions
+                       try {
+                               d = new Decimal (Single.MaxValue);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+
+                       try {
+                               d = new Decimal (Single.NaN);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+
+                       try {
+                               d = new Decimal (Single.PositiveInfinity);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+               }
 
-            d = new Decimal(1765.2344f);
-            Assert("05", d == 1765.234m);
+               [Test]
+               public void TestConstructSingleRounding_NowWorking ()
+               {
+                       decimal d;
 
-            d = new Decimal(3.7652356e10f);
-            Assert("12", d == 37652360000m);
+                       d = new Decimal (1765.23454f);
+                       Assert.AreEqual (1765.234m, d, "failed banker's rule rounding test 2");
 
-            d = new Decimal(3.7652356e20f);
-            Assert("13", d == 376523600000000000000m);
-
-            d = new Decimal(3.76523554e20f);
-            Assert("failed banker's rule rounding test 5", d == 376523600000000000000m);
-
-            d = new Decimal(3.7652352e20f);
-            Assert("15", d == 376523500000000000000m);
-
-            d = new Decimal(3.7652348e20f);
-            Assert("16", d == 376523500000000000000m);
-
-            d = new Decimal(3.76523454e20f);
-            Assert("failed banker's rule rounding test 6", d == 376523400000000000000m);
-
-            d = new Decimal(3.7652342e20f);
-            Assert("18", d == 376523400000000000000m);
-        }
-
-        public void TestConstructDouble()
-        {
-            Decimal d;
-
-            d = new Decimal(0.0);
-            Assert((decimal)d == 0m);
-
-            d = new Decimal(1.0);
-            Assert((decimal)d == 1m);
-            Assert(1.0 == (double)d);
-
-            d = new Decimal(-1.2345678901234);
-            Assert((decimal)d == -1.2345678901234m);
-            Assert(-1.2345678901234 == (double)d);
-
-            d = new Decimal(1.2345678901234);
-            Assert((decimal)d == 1.2345678901234m);
-
-            d = new Decimal(1.2345678901234e8);
-            Assert((decimal)d == 123456789.01234m);
-            Assert(1.2345678901234e8 == (double)d);
-
-            d = new Decimal(1.2345678901234e16);
-            Assert((decimal)d == 12345678901234000m);
-            Assert(1.2345678901234e16 == (double)d);
-
-            d = new Decimal(1.2345678901234e24);
-            Assert((decimal)d == 1234567890123400000000000m);
-            Assert(1.2345678901234e24 == (double)d);
-
-            d = new Decimal(1.2345678901234e28);
-            Assert((decimal)d == 1.2345678901234e28m);
-            Assert(1.2345678901234e28 == (double)d);
-
-            d = new Decimal(7.2345678901234e28);
-            Assert((decimal)d == 7.2345678901234e28m);
-            Assert(new Decimal((double)d) == d);
-
-            d = new Decimal(1.2345678901234e-8);
-            Assert((decimal)d == 1.2345678901234e-8m);
-
-            d = new Decimal(1.2345678901234e-14);
-            Assert((decimal)d == 1.2345678901234e-14m);
-            Assert(1.2345678901234e-14 == (double)d);
-
-            d = new Decimal(1.2342278901234e-25);
-            Assert((decimal)d == 1.234e-25m);
-
-            // test exceptions
-            try
-            {
-                d = new Decimal(8e28);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-
-            try
-            {
-                d = new Decimal(8e48);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-
-            try
-            {
-                d = new Decimal(Double.NaN);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-
-            try
-            {
-                d = new Decimal(Double.PositiveInfinity);
-                Fail();
-            } 
-            catch (OverflowException) 
-            {
-            }
-        }
-
-        public void TestConstructDoubleRound()
-        {
-            decimal d;
-           int TestNum = 1;
-            
-           try {
-                       d = new Decimal(1765.231234567857);
-                       AssertEquals("A01", 1765.23123456786m, d);
-
-                       TestNum++;
-                       d = new Decimal(1765.2312345678554);
-                       AssertEquals("A02, failed banker's rule rounding test 1", 1765.23123456786m, d);
-                       AssertEquals("A03", 1765.23123456786, (double)d);
-
-                       TestNum++;
-                       d = new Decimal(1765.231234567853);
-                       Assert(d == 1765.23123456785m);
-
-                       TestNum++;
-                       d = new Decimal(1765.231234567847);
-                       Assert(d == 1765.23123456785m);
-
-                       TestNum++;
-                       d = new Decimal(1765.231234567843);
-                       Assert(d == 1765.23123456784m);
-
-                       TestNum++;
-                       d = new Decimal(1.765231234567857e-9);
-                       Assert(d == 1.76523123456786e-9m);
-
-                       TestNum++;
-                       d = new Decimal(1.7652312345678554e-9);
-                       Assert("failed banker's rule rounding test 3", d == 1.76523123456786e-9m);
-
-                       TestNum++;
-                       d = new Decimal(1.765231234567853e-9);
-                       Assert(d == 1.76523123456785e-9m);
-
-                       TestNum++;
-                       d = new Decimal(1.765231234567857e+24);
-                       Assert(d == 1.76523123456786e+24m);
-
-                       TestNum++;
-                       d = new Decimal(1.7652312345678554e+24);
-                       Assert("failed banker's rule rounding test 4", d == 1.76523123456786e+24m);
-
-                       TestNum++;
-                       d = new Decimal(1.765231234567853e+24);
-                       Assert(d == 1.76523123456785e+24m);
-
-                       TestNum++;
-                       d = new Decimal(1765.2312345678454);
-                       Assert(d == 1765.23123456785m);
-               }
-               catch (Exception e) {
-                       Fail("At TestNum = " + TestNum + " unexpected exception. e = " + e);
-               }
-        }
-
-        public void TestNegate()
-        {
-            decimal d;
-
-            d = new Decimal(12345678);
-            Assert((decimal)Decimal.Negate(d) == -12345678m);
-        }
-
-        public void TestPartConstruct()
-        {
-            decimal d;
-            
-            d = new Decimal(parts0);
-            Assert(d == 0);
-
-            d = new Decimal(parts1);
-            Assert(d == 1);
-
-            d = new Decimal(parts2);
-            Assert(d == 4294967296m);
-
-            d = new Decimal(parts3);
-            Assert(d == 18446744073709551616m);
-
-            d = new Decimal(parts4);
-            Assert(d == 0m);
-
-            d = new Decimal(parts5);
-            Assert(d == 18446744078004518913m);
-            
-            d = new Decimal(partsMaxValue);
-            Assert(d == Decimal.MaxValue);
-            
-            d = new Decimal(partsMinValue);
-            Assert(d == Decimal.MinValue);
-
-            d = new Decimal(parts6);
-            int[] erg = Decimal.GetBits(d);
-            for (int i = 0; i < 4; i++) 
-            {
-                Assert(erg[i] == parts6[i]); 
-            }
-        }
-
-        public void TestFloorTruncate()
-        {
-            decimal[,] dtab = {
-                {0m, 0m, 0m}, {1m, 1m, 1m}, {-1m, -1m, -1m}, {1.1m, 1m, 1m}, 
-                {-1.000000000001m, -2m, -1m}, {12345.67890m,12345m,12345m},
-                {-123456789012345.67890m, -123456789012346m, -123456789012345m},
-                {Decimal.MaxValue, Decimal.MaxValue, Decimal.MaxValue},
-                {Decimal.MinValue, Decimal.MinValue, Decimal.MinValue},
-                {6.999999999m, 6m, 6m}, {-6.999999999m, -7m, -6m}, 
-                {0.00001m, 0m, 0m}, {-0.00001m, -1m, 0m}
-            };
-
-            decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = Decimal.Floor(dtab[i,0]);
-                if (d != dtab[i,1]) 
-                {
-                    Fail("Floor: Floor(" + dtab[i,0] + ") != " + d);
-                }
-                d = Decimal.Truncate(dtab[i,0]);
-                if (d != dtab[i,2]) 
-                {
-                    Fail("Truncate: Truncate(" + dtab[i,0] + ") != " + d);
-                }
-            }
-        }
-
-       [Test]
-       public void Truncate () 
-       {
-               decimal dd = 249.9m;
-               decimal dt = Decimal.Truncate (dd);
-               AssertEquals ("Original", 249.9m, dd);
-               AssertEquals ("Truncate", 249m, dt);
-               AssertEquals ("Cast-Byte", 249, (byte)dd);
-               AssertEquals ("Cast-Char", 249, (char)dd);
-               AssertEquals ("Cast-Int16", 249, (short)dd);
-               AssertEquals ("Cast-UInt16", 249, (ushort)dd);
-               AssertEquals ("Cast-Int32", 249, (int)dd);
-               AssertEquals ("Cast-UInt32", 249, (uint)dd);
-               AssertEquals ("Cast-Int64", 249, (long)dd);
-               AssertEquals ("Cast-UInt64", 249, (ulong)dd);
-       }
+                       d = new Decimal (0.00017652356f);
+                       Assert.AreEqual (0.0001765236m, d, "06");
 
-       public void TestRound()
-        {
-            decimal[,] dtab = { 
-                {1m, 0, 1m}, {1.234567890m, 1, 1.2m}, 
-                {1.234567890m, 2, 1.23m}, {1.23450000001m, 3, 1.235m}, 
-                {1.2355m, 3, 1.236m}, 
-                {1.234567890m, 4, 1.2346m}, {1.23567890m, 2, 1.24m}, 
-                {47893764694.4578563236436621m, 7, 47893764694.4578563m},
-                {-47893764694.4578563236436621m, 9, -47893764694.457856324m},
-                {-47893764694.4578m, 5, -47893764694.4578m}
-            };
-
-            decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = Decimal.Round(dtab[i,0], (int)dtab[i,1]);
-                if (d != dtab[i,2]) 
-                {
-                    Fail("Round: Round(" + dtab[i,0] + "," + (int)dtab[i,1] + ") != " + d);
-                }
-            }
-        }
-       
-       public void TestRoundFailures ()
-        {
-            decimal[,] dtab = { 
-                {1.2345m, 3, 1.234m} 
-            };
-
-            decimal d;
-            
-            for (int i = 0; i < dtab.GetLength(0); i++)
-            {
-                d = Decimal.Round(dtab[i,0], (int)dtab[i,1]);
-                if (d != dtab[i,2]) 
-                {
-                    Fail("FailRound: Round(" + dtab[i,0] + "," + (int)dtab[i,1] + ") != " + d);
-                }
-            }
-        }
-
-       [Test]
-       public void ParseInt64 () 
-       {
-               long max = Int64.MaxValue;
-               Decimal dmax = Decimal.Parse (max.ToString ());
-               AssertEquals ("Int64.MaxValue", Int64.MaxValue, Decimal.ToInt64 (dmax));
+                       d = new Decimal (0.000176523554f);
+                       Assert.AreEqual (0.0001765236m, d, "failed banker's rule rounding test 3");
 
-               long min = Int64.MinValue;
-               Decimal dmin = Decimal.Parse (min.ToString ());
-               AssertEquals ("Int64.MinValue", Int64.MinValue, Decimal.ToInt64 (dmin));
+                       d = new Decimal (0.00017652354f);
+                       Assert.AreEqual (0.0001765235m, d, "08");
 
-               dmax += 1.1m;
-               dmax = Decimal.Parse (dmax.ToString ());
-               AssertEquals ("Int64.MaxValue+1.1", Int64.MaxValue, Decimal.ToInt64 (dmax - 1.1m));
+                       d = new Decimal (0.00017652346f);
+                       Assert.AreEqual (0.0001765235m, d, "09");
 
-               dmin -= 1.1m;
-               dmin = Decimal.Parse (dmin.ToString ());
-               AssertEquals ("Int64.MinValue-1.1", Int64.MinValue, Decimal.ToInt64 (dmin + 1.1m));
-       }
+                       d = new Decimal (0.000176523454f);
+                       Assert.AreEqual (0.0001765234m, d, "failed banker's rule rounding test 4");
 
-       [Test]
-       public void ToByte () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToByte", 254, Decimal.ToByte (d));
-               AssertEquals ("Convert.ToByte", 255, Convert.ToByte (d));
-               AssertEquals ("IConvertible.ToByte", 255, (d as IConvertible).ToByte (null));
-       }
+                       d = new Decimal (0.00017652344f);
+                       Assert.AreEqual (0.0001765234m, d, "11");
+               }
 
-       [Test]
-       public void ToSByte () 
-       {
-               Decimal d = 126.9m;
-               AssertEquals ("Decimal.ToSByte", 126, Decimal.ToSByte (d));
-               AssertEquals ("Convert.ToSByte", 127, Convert.ToSByte (d));
-               AssertEquals ("IConvertible.ToSByte", 127, (d as IConvertible).ToSByte (null));
-               d = -d;
-               AssertEquals ("-Decimal.ToSByte", -126, Decimal.ToSByte (d));
-               AssertEquals ("-Convert.ToSByte", -127, Convert.ToSByte (d));
-               AssertEquals ("-IConvertible.ToSByte", -127, (d as IConvertible).ToSByte (null));
-       }
+               public void TestConstructSingleRounding ()
+               {
+                       decimal d;
 
-       [Test]
-       public void ToInt16 () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToInt16", 254, Decimal.ToInt16 (d));
-               AssertEquals ("Convert.ToInt16", 255, Convert.ToInt16 (d));
-               AssertEquals ("IConvertible.ToInt16", 255, (d as IConvertible).ToInt16 (null));
-               d = -d;
-               AssertEquals ("-Decimal.ToInt16", -254, Decimal.ToInt16 (d));
-               AssertEquals ("-Convert.ToInt16", -255, Convert.ToInt16 (d));
-               AssertEquals ("-IConvertible.ToInt16", -255, (d as IConvertible).ToInt16 (null));
-       }
+                       d = new Decimal (1765.2356f);
+                       Assert.IsTrue (d == 1765.236m, "01");
 
-       [Test]
-       public void ToUInt16 () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToUInt16", 254, Decimal.ToUInt16 (d));
-               AssertEquals ("Convert.ToUInt16", 255, Convert.ToUInt16 (d));
-               AssertEquals ("IConvertible.ToUInt16", 255, (d as IConvertible).ToUInt16 (null));
-       }
+                       d = new Decimal (1765.23554f);
+                       Assert.IsTrue (d == 1765.236m, "failed banker's rule rounding test 1");
 
-       [Test]
-       public void ToInt32 () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToInt32", 254, Decimal.ToInt32 (d));
-               AssertEquals ("Convert.ToInt32", 255, Convert.ToInt32 (d));
-               AssertEquals ("IConvertible.ToInt32", 255, (d as IConvertible).ToInt32 (null));
-               d = -d;
-               AssertEquals ("-Decimal.ToInt32", -254, Decimal.ToInt32 (d));
-               AssertEquals ("-Convert.ToInt32", -255, Convert.ToInt32 (d));
-               AssertEquals ("-IConvertible.ToInt32", -255, (d as IConvertible).ToInt32 (null));
-       }
+                       d = new Decimal (1765.2354f);
+                       Assert.IsTrue (d == 1765.235m, "03");
 
-       [Test]
-       public void ToUInt32 () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToUInt32", 254, Decimal.ToUInt32 (d));
-               AssertEquals ("Convert.ToUInt32", 255, Convert.ToUInt32 (d));
-               AssertEquals ("IConvertible.ToUInt32", 255, (d as IConvertible).ToUInt32 (null));
-       }
+                       d = new Decimal (1765.2346f);
+                       Assert.IsTrue (d == 1765.235m, "04");
 
-       [Test]
-       public void ToInt64 () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToInt64", 254, Decimal.ToInt64 (d));
-               AssertEquals ("Convert.ToInt64", 255, Convert.ToInt64 (d));
-               AssertEquals ("IConvertible.ToInt64", 255, (d as IConvertible).ToInt64 (null));
-               d = -d;
-               AssertEquals ("-Decimal.ToInt64", -254, Decimal.ToInt64 (d));
-               AssertEquals ("-Convert.ToInt64", -255, Convert.ToInt64 (d));
-               AssertEquals ("-IConvertible.ToInt64", -255, (d as IConvertible).ToInt64 (null));
-       }
+                       d = new Decimal (1765.2344f);
+                       Assert.IsTrue (d == 1765.234m, "05");
 
-       [Test]
-       [ExpectedException (typeof(OverflowException))]
-       public void ToInt64_TooBig () 
-       {
-               Decimal d = (Decimal) Int64.MaxValue;
-               d += 1.1m;
-               long value = Decimal.ToInt64 (d);
-       }
+                       d = new Decimal (3.7652356e10f);
+                       Assert.IsTrue (d == 37652360000m, "12");
 
-       [Test]
-       [ExpectedException (typeof(OverflowException))]
-       public void ToInt64_TooSmall () 
-       {
-               Decimal d = (Decimal) Int64.MinValue;
-               d -= 1.1m;
-               long value = Decimal.ToInt64 (d);
-       }
+                       d = new Decimal (3.7652356e20f);
+                       Assert.IsTrue (d == 376523600000000000000m, "13");
 
-       [Test]
-       public void ToUInt64 () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToUInt64", 254, Decimal.ToUInt64 (d));
-               AssertEquals ("Convert.ToUInt64", 255, Convert.ToUInt64 (d));
-               AssertEquals ("IConvertible.ToUInt64", 255, (d as IConvertible).ToUInt64 (null));
-       }
+                       d = new Decimal (3.76523554e20f);
+                       Assert.IsTrue (d == 376523600000000000000m, "failed banker's rule rounding test 5");
 
-       [Test]
-       public void ToSingle () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToSingle", 254.9f, Decimal.ToSingle (d));
-               AssertEquals ("Convert.ToSingle", 254.9f, Convert.ToSingle (d));
-               AssertEquals ("IConvertible.ToSingle", 254.9f, (d as IConvertible).ToSingle (null));
-               d = -d;
-               AssertEquals ("-Decimal.ToSingle", -254.9f, Decimal.ToSingle (d));
-               AssertEquals ("-Convert.ToSingle", -254.9f, Convert.ToSingle (d));
-               AssertEquals ("-IConvertible.ToSingle", -254.9f, (d as IConvertible).ToSingle (null));
-       }
+                       d = new Decimal (3.7652352e20f);
+                       Assert.IsTrue (d == 376523500000000000000m, "15");
 
-       [Test]
-       public void ToDouble () 
-       {
-               Decimal d = 254.9m;
-               AssertEquals ("Decimal.ToDouble", 254.9d, Decimal.ToDouble (d));
-               AssertEquals ("Convert.ToDouble", 254.9d, Convert.ToDouble (d));
-               AssertEquals ("IConvertible.ToDouble", 254.9d, (d as IConvertible).ToDouble (null));
-               d = -d;
-               AssertEquals ("-Decimal.ToDouble", -254.9d, Decimal.ToDouble (d));
-               AssertEquals ("-Convert.ToDouble", -254.9d, Convert.ToDouble (d));
-               AssertEquals ("-IConvertible.ToDouble", -254.9d, (d as IConvertible).ToDouble (null));
-       }
+                       d = new Decimal (3.7652348e20f);
+                       Assert.IsTrue (d == 376523500000000000000m, "16");
 
-       [Test]
-       public void ToString_Defaults () 
-       {
-               Decimal d = 254.9m;
-               // everything defaults to "G"
-               string def = d.ToString ("G");
-               AssertEquals ("ToString()", def, d.ToString ());
-               AssertEquals ("ToString((IFormatProvider)null)", def, d.ToString ((IFormatProvider)null));
-               AssertEquals ("ToString((string)null)", def, d.ToString ((string)null));
-               AssertEquals ("ToString(empty)", def, d.ToString (String.Empty));
-               AssertEquals ("ToString(null,null)", def, d.ToString (null, null));
-               AssertEquals ("ToString(empty,null)", def, d.ToString (String.Empty, null));
-
-               AssertEquals ("ToString()", "254.9", def);
-       }
+                       d = new Decimal (3.76523454e20f);
+                       Assert.IsTrue (d == 376523400000000000000m, "failed banker's rule rounding test 6");
 
-       [Test]
-       public void CastTruncRounding ()
-       {
-               // casting truncs decimal value (not normal nor banker's rounding)
-               AssertEquals ("254.9==254", 254, (long)(254.9m));
-               AssertEquals ("-254.9=-254", -254, (long)(-254.9m));
-               AssertEquals ("255.9==256", 255, (long)(255.9m));
-               AssertEquals ("-255.9=-256", -255, (long)(-255.9m));
-       }
+                       d = new Decimal (3.7652342e20f);
+                       Assert.IsTrue (d == 376523400000000000000m, "18");
+               }
 
-       [Test]
-       public void ParseFractions ()
-       {
-               decimal d1 = Decimal.Parse ("0.523456789012345467890123456789", CultureInfo.InvariantCulture);
-               AssertEquals ("f1", 0.5234567890123454678901234568m, d1);
-               decimal d2 = Decimal.Parse ("0.49214206543486529434634231456", CultureInfo.InvariantCulture);
-               AssertEquals ("f2", 0.4921420654348652943463423146m, d2);
-       }
+               [Test]
+               [SetCulture("en-US")]
+               public void TestConstructDouble ()
+               {
+                       Decimal d;
+
+                       d = new Decimal (0.0);
+                       Assert.IsTrue ((decimal) d == 0m);
+
+                       d = new Decimal (1.0);
+                       Assert.IsTrue ((decimal) d == 1m);
+                       Assert.IsTrue (1.0 == (double) d);
+
+                       d = new Decimal (-1.2345678901234);
+                       Assert.IsTrue ((decimal) d == -1.2345678901234m);
+                       Assert.IsTrue (-1.2345678901234 == (double) d);
+
+                       d = new Decimal (1.2345678901234);
+                       Assert.IsTrue ((decimal) d == 1.2345678901234m);
+
+                       d = new Decimal (1.2345678901234e8);
+                       Assert.IsTrue ((decimal) d == 123456789.01234m);
+                       Assert.IsTrue (1.2345678901234e8 == (double) d);
+
+                       d = new Decimal (1.2345678901234e16);
+                       Assert.IsTrue ((decimal) d == 12345678901234000m);
+                       Assert.IsTrue (1.2345678901234e16 == (double) d);
+
+                       d = new Decimal (1.2345678901234e24);
+                       Assert.IsTrue ((decimal) d == 1234567890123400000000000m);
+                       Assert.IsTrue (1.2345678901234e24 == (double) d);
+
+                       d = new Decimal (1.2345678901234e28);
+                       Assert.IsTrue ((decimal) d == 1.2345678901234e28m);
+                       Assert.IsTrue (1.2345678901234e28 == (double) d);
+
+                       d = new Decimal (7.2345678901234e28);
+                       Assert.IsTrue ((decimal) d == 7.2345678901234e28m);
+                       Assert.IsTrue (new Decimal ((double) d) == d);
+
+                       d = new Decimal (1.2345678901234e-8);
+                       Assert.IsTrue ((decimal) d == 1.2345678901234e-8m);
+
+                       d = new Decimal (1.2345678901234e-14);
+                       Assert.IsTrue ((decimal) d == 1.2345678901234e-14m);
+                       Assert.IsTrue (1.2345678901234e-14 == (double) d);
+
+                       d = new Decimal (1.2342278901234e-25);
+                       Assert.AreEqual (d, 1.234e-25m, "A10");
+
+                       //
+                       // Make sure that 0.6 is turned into
+                       // the 96 bit value 6 with the magnitude set to
+                       //
+                       double mydouble = 0.6;
+                       d = new Decimal (mydouble);
+                       int [] bits = Decimal.GetBits (d);
+                       Assert.AreEqual (bits [0], 6, "f1");
+                       Assert.AreEqual (bits [1], 0, "f2");
+                       Assert.AreEqual (bits [2], 0, "f3");
+                       Assert.AreEqual (bits [3], 65536, "f4");
+
+                       //
+                       // Make sure that we properly parse this value
+                       // this in particular exposes a bug in the
+                       // unmanaged version which rounds to 1234 instead
+                       // of 1235, here to make sure we do not regress
+                       // on the future.
+                       //
+                       mydouble = 1.2345679329684657e-25;
+                       d = new Decimal (mydouble);
+                       Assert.AreEqual (d.ToString (), "0.0000000000000000000000001235", "f5");
+                       
+                       // test exceptions
+                       try {
+                               d = new Decimal (8e28);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+
+                       try {
+                               d = new Decimal (8e48);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+
+                       try {
+                               d = new Decimal (Double.NaN);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+
+                       try {
+                               d = new Decimal (Double.PositiveInfinity);
+                               Assert.Fail ();
+                       } catch (OverflowException) {
+                       }
+               }
 
-       [Test]
-       [ExpectedException (typeof (OverflowException))]
-       public void Parse_Int64_Overflow ()
-       {
-               // Int64.MaxValue + 1 + small fraction to allow 30 digits
-               //                          123456789012345678901234567890
-               decimal d = Decimal.Parse ("9223372036854775808.0000000009", CultureInfo.InvariantCulture);
-               long l = (long) d;
-       }
+               [Test]
+               public void TestConstructDoubleRound ()
+               {
+                       decimal d;
+                       int TestNum = 1;
+
+                       try {
+                               d = new Decimal (1765.231234567857);
+                               Assert.AreEqual (1765.23123456786m, d, "A01");
+
+                               TestNum++;
+                               d = new Decimal (1765.2312345678554);
+                               Assert.AreEqual (1765.23123456786m, d, "A02, failed banker's rule rounding test 1");
+                               Assert.AreEqual (1765.23123456786, (double) d, "A03");
+
+                               TestNum++;
+                               d = new Decimal (1765.231234567853);
+                               Assert.IsTrue (d == 1765.23123456785m);
+
+                               TestNum++;
+                               d = new Decimal (1765.231234567847);
+                               Assert.IsTrue (d == 1765.23123456785m);
+
+                               TestNum++;
+                               d = new Decimal (1765.231234567843);
+                               Assert.IsTrue (d == 1765.23123456784m);
+
+                               TestNum++;
+                               d = new Decimal (1.765231234567857e-9);
+                               Assert.IsTrue (d == 1.76523123456786e-9m);
+
+                               TestNum++;
+                               d = new Decimal (1.7652312345678554e-9);
+                               Assert.IsTrue (d == 1.76523123456786e-9m, "failed banker's rule rounding test 3");
+
+                               TestNum++;
+                               d = new Decimal (1.765231234567853e-9);
+                               Assert.IsTrue (d == 1.76523123456785e-9m);
+
+                               TestNum++;
+                               d = new Decimal (1.765231234567857e+24);
+                               Assert.IsTrue (d == 1.76523123456786e+24m);
+
+                               TestNum++;
+                               d = new Decimal (1.7652312345678554e+24);
+                               Assert.IsTrue (d == 1.76523123456786e+24m, "failed banker's rule rounding test 4");
+
+                               TestNum++;
+                               d = new Decimal (1.765231234567853e+24);
+                               Assert.IsTrue (d == 1.76523123456785e+24m);
+
+                               TestNum++;
+                               d = new Decimal (1765.2312345678454);
+                               Assert.IsTrue (d == 1765.23123456785m);
+                       } catch (Exception e) {
+                               Assert.Fail ("At TestNum = " + TestNum + " unexpected exception. e = " + e);
+                       }
+               }
 
-#if NET_2_0
-        [Test]
-       public void TryParse ()
-       {
-               Decimal r;
+               [Test]
+               public void TestNegate ()
+               {
+                       decimal d;
+
+                       d = new Decimal (12345678);
+                       Assert.IsTrue ((decimal) Decimal.Negate (d) == -12345678m);
+               }
+
+               [Test]
+               public void TestPartConstruct ()
+               {
+                       decimal d;
+
+                       d = new Decimal (parts0);
+                       Assert.IsTrue (d == 0);
+
+                       d = new Decimal (parts1);
+                       Assert.IsTrue (d == 1);
+
+                       d = new Decimal (parts2);
+                       Assert.IsTrue (d == 4294967296m);
+
+                       d = new Decimal (parts3);
+                       Assert.IsTrue (d == 18446744073709551616m);
+
+                       d = new Decimal (parts4);
+                       Assert.IsTrue (d == 0m);
+
+                       d = new Decimal (parts5);
+                       Assert.IsTrue (d == 18446744078004518913m);
+
+                       d = new Decimal (partsMaxValue);
+                       Assert.IsTrue (d == Decimal.MaxValue);
+
+                       d = new Decimal (partsMinValue);
+                       Assert.IsTrue (d == Decimal.MinValue);
+
+                       d = new Decimal (parts6);
+                       int [] erg = Decimal.GetBits (d);
+                       for (int i = 0; i < 4; i++) {
+                               Assert.IsTrue (erg [i] == parts6 [i]);
+                       }
+               }
+
+               [Test]
+               public void TestFloorTruncate ()
+               {
+                       decimal [,] dtab = {
+                               {0m, 0m, 0m}, {1m, 1m, 1m}, {-1m, -1m, -1m}, {1.1m, 1m, 1m}, 
+                               {-1.000000000001m, -2m, -1m}, {12345.67890m,12345m,12345m},
+                               {-123456789012345.67890m, -123456789012346m, -123456789012345m},
+                               {Decimal.MaxValue, Decimal.MaxValue, Decimal.MaxValue},
+                               {Decimal.MinValue, Decimal.MinValue, Decimal.MinValue},
+                               {6.999999999m, 6m, 6m}, {-6.999999999m, -7m, -6m}, 
+                               {0.00001m, 0m, 0m}, {-0.00001m, -1m, 0m}
+                       };
+
+                       decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = Decimal.Floor (dtab [i, 0]);
+                               if (d != dtab [i, 1]) {
+                                       Assert.Fail ("Floor: Floor(" + dtab [i, 0] + ") != " + d);
+                               }
+                               d = Decimal.Truncate (dtab [i, 0]);
+                               if (d != dtab [i, 2]) {
+                                       Assert.Fail ("Truncate: Truncate(" + dtab [i, 0] + ") != " + d);
+                               }
+                       }
+               }
+
+               [Test]
+               public void Truncate ()
+               {
+                       decimal dd = 249.9m;
+                       decimal dt = Decimal.Truncate (dd);
+                       Assert.AreEqual (249.9m, dd, "Original");
+                       Assert.AreEqual (249m, dt, "Truncate");
+                       Assert.AreEqual (249, (byte) dd, "Cast-Byte");
+                       Assert.AreEqual (249, (char) dd, "Cast-Char");
+                       Assert.AreEqual (249, (short) dd, "Cast-Int16");
+                       Assert.AreEqual (249, (ushort) dd, "Cast-UInt16");
+                       Assert.AreEqual (249, (int) dd, "Cast-Int32");
+                       Assert.AreEqual (249, (uint) dd, "Cast-UInt32");
+                       Assert.AreEqual (249, (long) dd, "Cast-Int64");
+                       Assert.AreEqual (249, (ulong) dd, "Cast-UInt64");
+               }
+
+               [Test]
+               public void TestRound ()
+               {
+                       decimal [,] dtab = { 
+                               {1m, 0, 1m}, {1.234567890m, 1, 1.2m}, 
+                               {1.234567890m, 2, 1.23m}, {1.23450000001m, 3, 1.235m}, 
+                               {1.2355m, 3, 1.236m}, 
+                               {1.234567890m, 4, 1.2346m}, {1.23567890m, 2, 1.24m}, 
+                               {47893764694.4578563236436621m, 7, 47893764694.4578563m},
+                               {-47893764694.4578563236436621m, 9, -47893764694.457856324m},
+                               {-47893764694.4578m, 5, -47893764694.4578m}
+                       };
+
+                       decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = Decimal.Round (dtab [i, 0], (int) dtab [i, 1]);
+                               if (d != dtab [i, 2]) {
+                                       Assert.Fail ("Round: Round(" + dtab [i, 0] + "," + (int) dtab [i, 1] + ") != " + d);
+                               }
+                       }
+               }
+
+               [Test]
+               public void TestRoundFailures ()
+               {
+                       decimal [,] dtab = {
+                               {1.2345m, 3, 1.234m} 
+                       };
+
+                       decimal d;
+
+                       for (int i = 0; i < dtab.GetLength (0); i++) {
+                               d = Decimal.Round (dtab [i, 0], (int) dtab [i, 1]);
+                               if (d != dtab [i, 2]) {
+                                       Assert.Fail ("FailRound: Round(" + dtab [i, 0] + "," + (int) dtab [i, 1] + ") != " + d);
+                               }
+                       }
+               }
+
+               [Test]
+               public void ParseInt64 ()
+               {
+                       long max = Int64.MaxValue;
+                       Decimal dmax = Decimal.Parse (max.ToString ());
+                       Assert.AreEqual (Int64.MaxValue, Decimal.ToInt64 (dmax), "Int64.MaxValue");
+
+                       long min = Int64.MinValue;
+                       Decimal dmin = Decimal.Parse (min.ToString ());
+                       Assert.AreEqual (Int64.MinValue, Decimal.ToInt64 (dmin), "Int64.MinValue");
+
+                       dmax += 1.1m;
+                       dmax = Decimal.Parse (dmax.ToString ());
+                       Assert.AreEqual (Int64.MaxValue, Decimal.ToInt64 (dmax - 1.1m), "Int64.MaxValue+1.1");
+
+                       dmin -= 1.1m;
+                       dmin = Decimal.Parse (dmin.ToString ());
+                       Assert.AreEqual (Int64.MinValue, Decimal.ToInt64 (dmin + 1.1m), "Int64.MinValue-1.1");
+               }
+
+               [Test]
+               public void ToByte ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToByte (d), "Decimal.ToByte");
+                       Assert.AreEqual (255, Convert.ToByte (d), "Convert.ToByte");
+                       Assert.AreEqual (255, (d as IConvertible).ToByte (null), "IConvertible.ToByte");
+               }
+
+               [Test]
+               public void ToSByte ()
+               {
+                       Decimal d = 126.9m;
+                       Assert.AreEqual (126, Decimal.ToSByte (d), "Decimal.ToSByte");
+                       Assert.AreEqual (127, Convert.ToSByte (d), "Convert.ToSByte");
+                       Assert.AreEqual (127, (d as IConvertible).ToSByte (null), "IConvertible.ToSByte");
+                       d = -d;
+                       Assert.AreEqual (-126, Decimal.ToSByte (d), "-Decimal.ToSByte");
+                       Assert.AreEqual (-127, Convert.ToSByte (d), "-Convert.ToSByte");
+                       Assert.AreEqual (-127, (d as IConvertible).ToSByte (null), "-IConvertible.ToSByte");
+               }
+
+               [Test]
+               public void ToInt16 ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToInt16 (d), "Decimal.ToInt16");
+                       Assert.AreEqual (255, Convert.ToInt16 (d), "Convert.ToInt16");
+                       Assert.AreEqual (255, (d as IConvertible).ToInt16 (null), "IConvertible.ToInt16");
+                       d = -d;
+                       Assert.AreEqual (-254, Decimal.ToInt16 (d), "-Decimal.ToInt16");
+                       Assert.AreEqual (-255, Convert.ToInt16 (d), "-Convert.ToInt16");
+                       Assert.AreEqual (-255, (d as IConvertible).ToInt16 (null), "-IConvertible.ToInt16");
+               }
+
+               [Test]
+               public void ToUInt16 ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToUInt16 (d), "Decimal.ToUInt16");
+                       Assert.AreEqual (255, Convert.ToUInt16 (d), "Convert.ToUInt16");
+                       Assert.AreEqual (255, (d as IConvertible).ToUInt16 (null), "IConvertible.ToUInt16");
+               }
+
+               [Test]
+               public void ToInt32 ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToInt32 (d), "Decimal.ToInt32");
+                       Assert.AreEqual (255, Convert.ToInt32 (d), "Convert.ToInt32");
+                       Assert.AreEqual (255, (d as IConvertible).ToInt32 (null), "IConvertible.ToInt32");
+                       d = -d;
+                       Assert.AreEqual (-254, Decimal.ToInt32 (d), "-Decimal.ToInt32");
+                       Assert.AreEqual (-255, Convert.ToInt32 (d), "-Convert.ToInt32");
+                       Assert.AreEqual (-255, (d as IConvertible).ToInt32 (null), "-IConvertible.ToInt32");
+               }
+
+               [Test]
+               public void ToUInt32 ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToUInt32 (d), "Decimal.ToUInt32");
+                       Assert.AreEqual (255, Convert.ToUInt32 (d), "Convert.ToUInt32");
+                       Assert.AreEqual (255, (d as IConvertible).ToUInt32 (null), "IConvertible.ToUInt32");
+               }
+
+               [Test]
+               public void ToInt64 ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToInt64 (d), "Decimal.ToInt64");
+                       Assert.AreEqual (255, Convert.ToInt64 (d), "Convert.ToInt64");
+                       Assert.AreEqual (255, (d as IConvertible).ToInt64 (null), "IConvertible.ToInt64");
+                       d = -d;
+                       Assert.AreEqual (-254, Decimal.ToInt64 (d), "-Decimal.ToInt64");
+                       Assert.AreEqual (-255, Convert.ToInt64 (d), "-Convert.ToInt64");
+                       Assert.AreEqual (-255, (d as IConvertible).ToInt64 (null), "-IConvertible.ToInt64");
+               }
+
+               [Test]
+               [ExpectedException (typeof (OverflowException))]
+               public void ToInt64_TooBig ()
+               {
+                       Decimal d = (Decimal) Int64.MaxValue;
+                       d += 1.1m;
+                       long value = Decimal.ToInt64 (d);
+               }
+
+               [Test]
+               [ExpectedException (typeof (OverflowException))]
+               public void ToInt64_TooSmall ()
+               {
+                       Decimal d = (Decimal) Int64.MinValue;
+                       d -= 1.1m;
+                       long value = Decimal.ToInt64 (d);
+               }
+
+               [Test]
+               public void ToUInt64 ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254, Decimal.ToUInt64 (d), "Decimal.ToUInt64");
+                       Assert.AreEqual (255, Convert.ToUInt64 (d), "Convert.ToUInt64");
+                       Assert.AreEqual (255, (d as IConvertible).ToUInt64 (null), "IConvertible.ToUInt64");
+               }
+
+               [Test]
+               public void ToSingle ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254.9f, Decimal.ToSingle (d), "Decimal.ToSingle");
+                       Assert.AreEqual (254.9f, Convert.ToSingle (d), "Convert.ToSingle");
+                       Assert.AreEqual (254.9f, (d as IConvertible).ToSingle (null), "IConvertible.ToSingle");
+                       d = -d;
+                       Assert.AreEqual (-254.9f, Decimal.ToSingle (d), "-Decimal.ToSingle");
+                       Assert.AreEqual (-254.9f, Convert.ToSingle (d), "-Convert.ToSingle");
+                       Assert.AreEqual (-254.9f, (d as IConvertible).ToSingle (null), "-IConvertible.ToSingle");
+               }
+
+               [Test]
+               public void ToDouble ()
+               {
+                       Decimal d = 254.9m;
+                       Assert.AreEqual (254.9d, Decimal.ToDouble (d), "Decimal.ToDouble");
+                       Assert.AreEqual (254.9d, Convert.ToDouble (d), "Convert.ToDouble");
+                       Assert.AreEqual (254.9d, (d as IConvertible).ToDouble (null), "IConvertible.ToDouble");
+                       d = -d;
+                       Assert.AreEqual (-254.9d, Decimal.ToDouble (d), "-Decimal.ToDouble");
+                       Assert.AreEqual (-254.9d, Convert.ToDouble (d), "-Convert.ToDouble");
+                       Assert.AreEqual (-254.9d, (d as IConvertible).ToDouble (null), "-IConvertible.ToDouble");
+               }
+
+               [Test]
+               [SetCulture("en-US")]
+               public void ToString_Defaults ()
+               {
+                       Decimal d = 254.9m;
+                       // everything defaults to "G"
+                       string def = d.ToString ("G");
+                       Assert.AreEqual (def, d.ToString (), "ToString()");
+                       Assert.AreEqual (def, d.ToString ((IFormatProvider) null), "ToString((IFormatProvider)null)");
+                       Assert.AreEqual (def, d.ToString ((string) null), "ToString((string)null)");
+                       Assert.AreEqual (def, d.ToString (String.Empty), "ToString(empty)");
+                       Assert.AreEqual (def, d.ToString (null, null), "ToString(null,null)");
+                       Assert.AreEqual (def, d.ToString (String.Empty, null), "ToString(empty,null)");
+
+                       Assert.AreEqual ("254.9", def, "ToString()");
+               }
+
+               [Test]
+               public void CastTruncRounding ()
+               {
+                       // casting truncs decimal value (not normal nor banker's rounding)
+                       Assert.AreEqual (254, (long) (254.9m), "254.9==254");
+                       Assert.AreEqual (-254, (long) (-254.9m), "-254.9=-254");
+                       Assert.AreEqual (255, (long) (255.9m), "255.9==256");
+                       Assert.AreEqual (-255, (long) (-255.9m), "-255.9=-256");
+               }
+
+               [Test]
+               public void ParseFractions ()
+               {
+                       decimal d1 = Decimal.Parse ("0.523456789012345467890123456789", CultureInfo.InvariantCulture);
+                       Assert.AreEqual (0.5234567890123454678901234568m, d1, "f1");
+                       decimal d2 = Decimal.Parse ("0.49214206543486529434634231456", CultureInfo.InvariantCulture);
+                       Assert.AreEqual (0.4921420654348652943463423146m, d2, "f2");
+               }
+
+               [Test]
+               [ExpectedException (typeof (OverflowException))]
+               public void Parse_Int64_Overflow ()
+               {
+                       // Int64.MaxValue + 1 + small fraction to allow 30 digits
+                       // 123456789012345678901234567890
+                       decimal d = Decimal.Parse ("9223372036854775808.0000000009", CultureInfo.InvariantCulture);
+                       long l = (long) d;
+               }
+/* Not yet fixed
+               [Test]
+               public void ParseEmptyNumberGroupSeparator ()
+               {
+                       CultureInfo originalCulture = CultureInfo.CurrentCulture;
+                       Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US");
+                       try {
+                               var nf = new NumberFormatInfo ();
+                               nf.NumberDecimalSeparator = ".";
+                               nf.NumberGroupSeparator = "";
+                               decimal d = decimal.Parse ("4.5", nf);
+                               Assert.AreEqual (4.5, d);
+                       } finally {
+                               Thread.CurrentThread.CurrentCulture = originalCulture;
+                       }
+               }
+*/
+
+               [Test]
+               public void ParseCultureSeparator ()
+               {
+                       Assert.AreEqual (2.2m, decimal.Parse ("2.2", new CultureInfo("es-MX")));
+               }
+
+               [Test]
+               [Category ("TargetJvmNotWorking")]
+               public void TryParse ()
+               {
+                       Decimal r;
                
-               // These should return false
-               AssertEquals (false, Decimal.TryParse ("79228162514264337593543950336", out r));
-               AssertEquals (false, Decimal.TryParse ("123nx", NumberStyles.Number, CultureInfo.InvariantCulture, out r));
-               AssertEquals (false, Decimal.TryParse (null, NumberStyles.Number, CultureInfo.InvariantCulture, out r));
+                       // These should return false
+                       Assert.AreEqual (false, Decimal.TryParse ("79228162514264337593543950336", out r));
+                       Assert.AreEqual (false, Decimal.TryParse ("123nx", NumberStyles.Number, CultureInfo.InvariantCulture, out r));
+                       Assert.AreEqual (false, Decimal.TryParse (null, NumberStyles.Number, CultureInfo.InvariantCulture, out r));
+
+                       // These should pass
+                       for (int i = 0; i < tab.Length; i++) {
+                               Assert.AreEqual (!tab [i].exceptionFlag,
+                                       Decimal.TryParse (tab [i].str, tab [i].style,
+                                       NumberFormatInfo.InvariantInfo, out r));
+                       }
+               }
 
-               // These should pass
-               for (int i = 0; i < tab.Length; i++){
-                       AssertEquals (!tab [i].exceptionFlag,
-                                     Decimal.TryParse (tab [i].str, tab [i].style,
-                                                       NumberFormatInfo.InvariantInfo, out r));
+               [Test]
+               [ExpectedException (typeof (DivideByZeroException))]
+               public void Remainder_ByZero ()
+               {
+                       Decimal.Remainder (254.9m, 0m);
                }
-       }
-#endif
 
-       [Test]
-       [ExpectedException (typeof (DivideByZeroException))]
-       public void Remainder_ByZero () 
-       {
-               Decimal.Remainder (254.9m, 0m);
-       }
+               [Test]
+               public void Remainder ()
+               {
+                       decimal p1 = 254.9m;
+                       decimal p2 = 12.1m;
+                       decimal n1 = -254.9m;
+                       decimal n2 = -12.1m;
+
+                       Assert.AreEqual (0.8m, Decimal.Remainder (p1, p2), "254.9 % 12.1");
+                       Assert.AreEqual (-0.8m, Decimal.Remainder (n1, p2), "-254.9 % 12.1");
+                       Assert.AreEqual (0.8m, Decimal.Remainder (p1, n2), "254.9 % -12.1");
+                       Assert.AreEqual (-0.8m, Decimal.Remainder (n1, n2), "-254.9 % -12.1");
+
+                       Assert.AreEqual (12.1m, Decimal.Remainder (p2, p1), "12.1 % 254.9");
+                       Assert.AreEqual (-12.1m, Decimal.Remainder (n2, p1), "-12.1 % 254.9");
+                       Assert.AreEqual (12.1m, Decimal.Remainder (p2, n1), "12.1 % -254.9");
+                       Assert.AreEqual (-12.1m, Decimal.Remainder (n2, n1), "-12.1 % -254.9");
+
+                       Assert.AreEqual (0.0m, Decimal.Remainder (p1, p1), "12.1 % 12.1");
+                       Assert.AreEqual (0.0m, Decimal.Remainder (n1, p1), "-12.1 % 12.1");
+                       Assert.AreEqual (0.0m, Decimal.Remainder (p1, n1), "12.1 % -12.1");
+                       Assert.AreEqual (0.0m, Decimal.Remainder (n1, n1), "-12.1 % -12.1");
+               }
 
-       [Test]
-       public void Remainder () 
-       {
-               decimal p1 = 254.9m;
-               decimal p2 = 12.1m;
-               decimal n1 = -254.9m;
-               decimal n2 = -12.1m;
-
-               AssertEquals ("254.9 % 12.1", 0.8m, Decimal.Remainder (p1, p2));
-               AssertEquals ("-254.9 % 12.1", -0.8m, Decimal.Remainder (n1, p2));
-               AssertEquals ("254.9 % -12.1", 0.8m, Decimal.Remainder (p1, n2));
-               AssertEquals ("-254.9 % -12.1", -0.8m, Decimal.Remainder (n1, n2));
-
-               AssertEquals ("12.1 % 254.9", 12.1m, Decimal.Remainder (p2, p1));
-               AssertEquals ("-12.1 % 254.9", -12.1m, Decimal.Remainder (n2, p1));
-               AssertEquals ("12.1 % -254.9", 12.1m, Decimal.Remainder (p2, n1));
-               AssertEquals ("-12.1 % -254.9", -12.1m, Decimal.Remainder (n2, n1));
-#if NET_2_0
-               AssertEquals ("12.1 % 12.1", 0.0m, Decimal.Remainder (p1, p1));
-               AssertEquals ("-12.1 % 12.1", 0.0m, Decimal.Remainder (n1, p1));
-               AssertEquals ("12.1 % -12.1", 0.0m, Decimal.Remainder (p1, n1));
-               AssertEquals ("-12.1 % -12.1", 0.0m, Decimal.Remainder (n1, n1));
-#else
-               AssertEquals ("12.1 % 12.1", 0, Decimal.Remainder (p1, p1));
-               AssertEquals ("-12.1 % 12.1", 0, Decimal.Remainder (n1, p1));
-               AssertEquals ("12.1 % -12.1", 0, Decimal.Remainder (p1, n1));
-               AssertEquals ("-12.1 % -12.1", 0, Decimal.Remainder (n1, n1));
-#endif
-       }
+               [Test]
+               public void Remainder2 ()
+               {
+                       decimal a = 20.0M;
+                       decimal b = 10.0M;
+                       decimal c = 10.00M;
 
-       [Test]
-       [ExpectedException (typeof (DivideByZeroException))]
-       public void Divide_ByZero () 
-       {
-               Decimal.Divide (254.9m, 0m);
-       }
+                       Assert.AreEqual (0.00m, a % c, "20.0M % 10.00M");
+               
+               }
 
-       [Test]
-       public void Divide () 
-       {
-               decimal p1 = 254.9m;
-               decimal p2 = 12.1m;
-               decimal n1 = -254.9m;
-               decimal n2 = -12.1m;
-
-               decimal c1 = 21.066115702479338842975206612m;
-               decimal c2 = 0.0474695959199686151431934092m;
-
-               AssertEquals ("254.9 / 12.1", c1, Decimal.Divide (p1, p2));
-               AssertEquals ("-254.9 / 12.1", -c1, Decimal.Divide (n1, p2));
-               AssertEquals ("254.9 / -12.1", -c1, Decimal.Divide (p1, n2));
-               AssertEquals ("-254.9 / -12.1", c1, Decimal.Divide (n1, n2));
-
-               AssertEquals ("12.1 / 254.9", c2, Decimal.Divide (p2, p1));
-               AssertEquals ("-12.1 / 254.9", -c2, Decimal.Divide (n2, p1));
-               AssertEquals ("12.1 / -254.9", -c2, Decimal.Divide (p2, n1));
-               AssertEquals ("-12.1 / -254.9", c2, Decimal.Divide (n2, n1));
-
-               AssertEquals ("12.1 / 12.1", 1, Decimal.Divide (p1, p1));
-               AssertEquals ("-12.1 / 12.1", -1, Decimal.Divide (n1, p1));
-               AssertEquals ("12.1 / -12.1", -1, Decimal.Divide (p1, n1));
-               AssertEquals ("-12.1 / -12.1", 1, Decimal.Divide (n1, n1));
-       }
+               [Test]
+               [ExpectedException (typeof (DivideByZeroException))]
+               public void Divide_ByZero ()
+               {
+                       Decimal.Divide (254.9m, 0m);
+               }
 
-       [Test]
-       [ExpectedException (typeof (ArgumentOutOfRangeException))]
-       public void Round_InvalidDecimals_Negative () 
-       {
-               Decimal.Round (254.9m, -1);
-       }
+               [Test]
+               public void Divide ()
+               {
+                       decimal p1 = 254.9m;
+                       decimal p2 = 12.1m;
+                       decimal n1 = -254.9m;
+                       decimal n2 = -12.1m;
+
+                       decimal c1 = 21.066115702479338842975206612m;
+                       decimal c2 = 0.0474695959199686151431934092m;
+
+                       Assert.AreEqual (c1, Decimal.Divide (p1, p2), "254.9 / 12.1");
+                       Assert.AreEqual (-c1, Decimal.Divide (n1, p2), "-254.9 / 12.1");
+                       Assert.AreEqual (-c1, Decimal.Divide (p1, n2), "254.9 / -12.1");
+                       Assert.AreEqual (c1, Decimal.Divide (n1, n2), "-254.9 / -12.1");
+
+                       Assert.AreEqual (c2, Decimal.Divide (p2, p1), "12.1 / 254.9");
+                       Assert.AreEqual (-c2, Decimal.Divide (n2, p1), "-12.1 / 254.9");
+                       Assert.AreEqual (-c2, Decimal.Divide (p2, n1), "12.1 / -254.9");
+                       Assert.AreEqual (c2, Decimal.Divide (n2, n1), "-12.1 / -254.9");
+
+                       Assert.AreEqual (1, Decimal.Divide (p1, p1), "12.1 / 12.1");
+                       Assert.AreEqual (-1, Decimal.Divide (n1, p1), "-12.1 / 12.1");
+                       Assert.AreEqual (-1, Decimal.Divide (p1, n1), "12.1 / -12.1");
+                       Assert.AreEqual (1, Decimal.Divide (n1, n1), "-12.1 / -12.1");
+               }
 
-       [Test]
-       [ExpectedException (typeof (ArgumentOutOfRangeException))]
-       public void Round_InvalidDecimals_TooHigh () 
-       {
-               Decimal.Round (254.9m, 29);
-       }
+               [Test]
+               [ExpectedException (typeof (ArgumentOutOfRangeException))]
+               public void Round_InvalidDecimals_Negative ()
+               {
+                       Decimal.Round (254.9m, -1);
+               }
 
-       [Test]
-       public void Round_OddValue () 
-       {
-               decimal five = 5.5555555555555555555555555555m;
-               AssertEquals ("5,5_,00", 6, Decimal.Round (five, 0));
-               AssertEquals ("5,5_,01", 5.6m, Decimal.Round (five, 1));
-               AssertEquals ("5,5_,02", 5.56m, Decimal.Round (five, 2));
-               AssertEquals ("5,5_,03", 5.556m, Decimal.Round (five, 3));
-               AssertEquals ("5,5_,04", 5.5556m, Decimal.Round (five, 4));
-               AssertEquals ("5,5_,05", 5.55556m, Decimal.Round (five, 5));
-               AssertEquals ("5,5_,06", 5.555556m, Decimal.Round (five, 6));
-               AssertEquals ("5,5_,07", 5.5555556m, Decimal.Round (five, 7));
-               AssertEquals ("5,5_,08", 5.55555556m, Decimal.Round (five, 8));
-               AssertEquals ("5,5_,09", 5.555555556m, Decimal.Round (five, 9));
-               AssertEquals ("5,5_,10", 5.5555555556m, Decimal.Round (five, 10));
-               AssertEquals ("5,5_,11", 5.55555555556m, Decimal.Round (five, 11));
-               AssertEquals ("5,5_,12", 5.555555555556m, Decimal.Round (five, 12));
-               AssertEquals ("5,5_,13", 5.5555555555556m, Decimal.Round (five, 13));
-               AssertEquals ("5,5_,14", 5.55555555555556m, Decimal.Round (five, 14));
-               AssertEquals ("5,5_,15", 5.555555555555556m, Decimal.Round (five, 15));
-               AssertEquals ("5,5_,16", 5.5555555555555556m, Decimal.Round (five, 16));
-               AssertEquals ("5,5_,17", 5.55555555555555556m, Decimal.Round (five, 17));
-               AssertEquals ("5,5_,18", 5.555555555555555556m, Decimal.Round (five, 18));
-               AssertEquals ("5,5_,19", 5.5555555555555555556m, Decimal.Round (five, 19));
-               AssertEquals ("5,5_,20", 5.55555555555555555556m, Decimal.Round (five, 20));
-               AssertEquals ("5,5_,21", 5.555555555555555555556m, Decimal.Round (five, 21));
-               AssertEquals ("5,5_,22", 5.5555555555555555555556m, Decimal.Round (five, 22));
-               AssertEquals ("5,5_,23", 5.55555555555555555555556m, Decimal.Round (five, 23));
-               AssertEquals ("5,5_,24", 5.555555555555555555555556m, Decimal.Round (five, 24));
-               AssertEquals ("5,5_,25", 5.5555555555555555555555556m, Decimal.Round (five, 25));
-               AssertEquals ("5,5_,26", 5.55555555555555555555555556m, Decimal.Round (five, 26));
-               AssertEquals ("5,5_,27", 5.555555555555555555555555556m, Decimal.Round (five, 27));
-               AssertEquals ("5.5_,28", 5.5555555555555555555555555555m, Decimal.Round (five, 28));
-       }
+               [Test]
+               [ExpectedException (typeof (ArgumentOutOfRangeException))]
+               public void Round_InvalidDecimals_TooHigh ()
+               {
+                       Decimal.Round (254.9m, 29);
+               }
 
-       [Test]
-       public void Round_EvenValue () 
-       {
-               AssertEquals ("2,2_5,00", 2, Decimal.Round (2.5m, 0));
-               AssertEquals ("2,2_5,01", 2.2m, Decimal.Round (2.25m, 1));
-               AssertEquals ("2,2_5,02", 2.22m, Decimal.Round (2.225m, 2));
-               AssertEquals ("2,2_5,03", 2.222m, Decimal.Round (2.2225m, 3));
-               AssertEquals ("2,2_5,04", 2.2222m, Decimal.Round (2.22225m, 4));
-               AssertEquals ("2,2_5,05", 2.22222m, Decimal.Round (2.222225m, 5));
-               AssertEquals ("2,2_5,06", 2.222222m, Decimal.Round (2.2222225m, 6));
-               AssertEquals ("2,2_5,07", 2.2222222m, Decimal.Round (2.22222225m, 7));
-               AssertEquals ("2,2_5,08", 2.22222222m, Decimal.Round (2.222222225m, 8));
-               AssertEquals ("2,2_5,09", 2.222222222m, Decimal.Round (2.2222222225m, 9));
-               AssertEquals ("2,2_5,10", 2.2222222222m, Decimal.Round (2.22222222225m, 10));
-               AssertEquals ("2,2_5,11", 2.22222222222m, Decimal.Round (2.222222222225m, 11));
-               AssertEquals ("2,2_5,12", 2.222222222222m, Decimal.Round (2.2222222222225m, 12));
-               AssertEquals ("2,2_5,13", 2.2222222222222m, Decimal.Round (2.22222222222225m, 13));
-               AssertEquals ("2,2_5,14", 2.22222222222222m, Decimal.Round (2.222222222222225m, 14));
-               AssertEquals ("2,2_5,15", 2.222222222222222m, Decimal.Round (2.2222222222222225m, 15));
-               AssertEquals ("2,2_5,16", 2.2222222222222222m, Decimal.Round (2.22222222222222225m, 16));
-               AssertEquals ("2,2_5,17", 2.22222222222222222m, Decimal.Round (2.222222222222222225m, 17));
-               AssertEquals ("2,2_5,18", 2.222222222222222222m, Decimal.Round (2.2222222222222222225m, 18));
-               AssertEquals ("2,2_5,19", 2.2222222222222222222m, Decimal.Round (2.22222222222222222225m, 19));
-               AssertEquals ("2,2_5,20", 2.22222222222222222222m, Decimal.Round (2.222222222222222222225m, 20));
-               AssertEquals ("2,2_5,21", 2.222222222222222222222m, Decimal.Round (2.2222222222222222222225m, 21));
-               AssertEquals ("2,2_5,22", 2.2222222222222222222222m, Decimal.Round (2.22222222222222222222225m, 22));
-               AssertEquals ("2,2_5,23", 2.22222222222222222222222m, Decimal.Round (2.222222222222222222222225m, 23));
-               AssertEquals ("2,2_5,24", 2.222222222222222222222222m, Decimal.Round (2.2222222222222222222222225m, 24));
-               AssertEquals ("2,2_5,25", 2.2222222222222222222222222m, Decimal.Round (2.22222222222222222222222225m, 25));
-               AssertEquals ("2,2_5,26", 2.22222222222222222222222222m, Decimal.Round (2.222222222222222222222222225m, 26));
-               AssertEquals ("2,2_5,27", 2.222222222222222222222222222m, Decimal.Round (2.2222222222222222222222222225m, 27));
-               AssertEquals ("2,2_5,28", 2.2222222222222222222222222222m, Decimal.Round (2.22222222222222222222222222225m, 28));
-       }
+               [Test]
+               public void Round_OddValue ()
+               {
+                       decimal five = 5.5555555555555555555555555555m;
+                       Assert.AreEqual (6, Decimal.Round (five, 0), "5,5_,00");
+                       Assert.AreEqual (5.6m, Decimal.Round (five, 1), "5,5_,01");
+                       Assert.AreEqual (5.56m, Decimal.Round (five, 2), "5,5_,02");
+                       Assert.AreEqual (5.556m, Decimal.Round (five, 3), "5,5_,03");
+                       Assert.AreEqual (5.5556m, Decimal.Round (five, 4), "5,5_,04");
+                       Assert.AreEqual (5.55556m, Decimal.Round (five, 5), "5,5_,05");
+                       Assert.AreEqual (5.555556m, Decimal.Round (five, 6), "5,5_,06");
+                       Assert.AreEqual (5.5555556m, Decimal.Round (five, 7), "5,5_,07");
+                       Assert.AreEqual (5.55555556m, Decimal.Round (five, 8), "5,5_,08");
+                       Assert.AreEqual (5.555555556m, Decimal.Round (five, 9), "5,5_,09");
+                       Assert.AreEqual (5.5555555556m, Decimal.Round (five, 10), "5,5_,10");
+                       Assert.AreEqual (5.55555555556m, Decimal.Round (five, 11), "5,5_,11");
+                       Assert.AreEqual (5.555555555556m, Decimal.Round (five, 12), "5,5_,12");
+                       Assert.AreEqual (5.5555555555556m, Decimal.Round (five, 13), "5,5_,13");
+                       Assert.AreEqual (5.55555555555556m, Decimal.Round (five, 14), "5,5_,14");
+                       Assert.AreEqual (5.555555555555556m, Decimal.Round (five, 15), "5,5_,15");
+                       Assert.AreEqual (5.5555555555555556m, Decimal.Round (five, 16), "5,5_,16");
+                       Assert.AreEqual (5.55555555555555556m, Decimal.Round (five, 17), "5,5_,17");
+                       Assert.AreEqual (5.555555555555555556m, Decimal.Round (five, 18), "5,5_,18");
+                       Assert.AreEqual (5.5555555555555555556m, Decimal.Round (five, 19), "5,5_,19");
+                       Assert.AreEqual (5.55555555555555555556m, Decimal.Round (five, 20), "5,5_,20");
+                       Assert.AreEqual (5.555555555555555555556m, Decimal.Round (five, 21), "5,5_,21");
+                       Assert.AreEqual (5.5555555555555555555556m, Decimal.Round (five, 22), "5,5_,22");
+                       Assert.AreEqual (5.55555555555555555555556m, Decimal.Round (five, 23), "5,5_,23");
+                       Assert.AreEqual (5.555555555555555555555556m, Decimal.Round (five, 24), "5,5_,24");
+                       Assert.AreEqual (5.5555555555555555555555556m, Decimal.Round (five, 25), "5,5_,25");
+                       Assert.AreEqual (5.55555555555555555555555556m, Decimal.Round (five, 26), "5,5_,26");
+                       Assert.AreEqual (5.555555555555555555555555556m, Decimal.Round (five, 27), "5,5_,27");
+                       Assert.AreEqual (5.5555555555555555555555555555m, Decimal.Round (five, 28), "5.5_,28");
+               }
 
-       [Test]
-       public void Round_OddValue_Negative () 
-       {
-               decimal five = -5.5555555555555555555555555555m;
-               AssertEquals ("-5,5_,00", -6, Decimal.Round (five, 0));
-               AssertEquals ("-5,5_,01", -5.6m, Decimal.Round (five, 1));
-               AssertEquals ("-5,5_,02", -5.56m, Decimal.Round (five, 2));
-               AssertEquals ("-5,5_,03", -5.556m, Decimal.Round (five, 3));
-               AssertEquals ("-5,5_,04", -5.5556m, Decimal.Round (five, 4));
-               AssertEquals ("-5,5_,05", -5.55556m, Decimal.Round (five, 5));
-               AssertEquals ("-5,5_,06", -5.555556m, Decimal.Round (five, 6));
-               AssertEquals ("-5,5_,07", -5.5555556m, Decimal.Round (five, 7));
-               AssertEquals ("-5,5_,08", -5.55555556m, Decimal.Round (five, 8));
-               AssertEquals ("-5,5_,09", -5.555555556m, Decimal.Round (five, 9));
-               AssertEquals ("-5,5_,10", -5.5555555556m, Decimal.Round (five, 10));
-               AssertEquals ("-5,5_,11", -5.55555555556m, Decimal.Round (five, 11));
-               AssertEquals ("-5,5_,12", -5.555555555556m, Decimal.Round (five, 12));
-               AssertEquals ("-5,5_,13", -5.5555555555556m, Decimal.Round (five, 13));
-               AssertEquals ("-5,5_,14", -5.55555555555556m, Decimal.Round (five, 14));
-               AssertEquals ("-5,5_,15", -5.555555555555556m, Decimal.Round (five, 15));
-               AssertEquals ("-5,5_,16", -5.5555555555555556m, Decimal.Round (five, 16));
-               AssertEquals ("-5,5_,17", -5.55555555555555556m, Decimal.Round (five, 17));
-               AssertEquals ("-5,5_,18", -5.555555555555555556m, Decimal.Round (five, 18));
-               AssertEquals ("-5,5_,19", -5.5555555555555555556m, Decimal.Round (five, 19));
-               AssertEquals ("-5,5_,20", -5.55555555555555555556m, Decimal.Round (five, 20));
-               AssertEquals ("-5,5_,21", -5.555555555555555555556m, Decimal.Round (five, 21));
-               AssertEquals ("-5,5_,22", -5.5555555555555555555556m, Decimal.Round (five, 22));
-               AssertEquals ("-5,5_,23", -5.55555555555555555555556m, Decimal.Round (five, 23));
-               AssertEquals ("-5,5_,24", -5.555555555555555555555556m, Decimal.Round (five, 24));
-               AssertEquals ("-5,5_,25", -5.5555555555555555555555556m, Decimal.Round (five, 25));
-               AssertEquals ("-5,5_,26", -5.55555555555555555555555556m, Decimal.Round (five, 26));
-               AssertEquals ("-5,5_,27", -5.555555555555555555555555556m, Decimal.Round (five, 27));
-               AssertEquals ("-5.5_,28", -5.5555555555555555555555555555m, Decimal.Round (five, 28));
-       }
+               [Test]
+               public void Round_EvenValue ()
+               {
+                       Assert.AreEqual (2, Decimal.Round (2.5m, 0), "2,2_5,00");
+                       Assert.AreEqual (2.2m, Decimal.Round (2.25m, 1), "2,2_5,01");
+                       Assert.AreEqual (2.22m, Decimal.Round (2.225m, 2), "2,2_5,02");
+                       Assert.AreEqual (2.222m, Decimal.Round (2.2225m, 3), "2,2_5,03");
+                       Assert.AreEqual (2.2222m, Decimal.Round (2.22225m, 4), "2,2_5,04");
+                       Assert.AreEqual (2.22222m, Decimal.Round (2.222225m, 5), "2,2_5,05");
+                       Assert.AreEqual (2.222222m, Decimal.Round (2.2222225m, 6), "2,2_5,06");
+                       Assert.AreEqual (2.2222222m, Decimal.Round (2.22222225m, 7), "2,2_5,07");
+                       Assert.AreEqual (2.22222222m, Decimal.Round (2.222222225m, 8), "2,2_5,08");
+                       Assert.AreEqual (2.222222222m, Decimal.Round (2.2222222225m, 9), "2,2_5,09");
+                       Assert.AreEqual (2.2222222222m, Decimal.Round (2.22222222225m, 10), "2,2_5,10");
+                       Assert.AreEqual (2.22222222222m, Decimal.Round (2.222222222225m, 11), "2,2_5,11");
+                       Assert.AreEqual (2.222222222222m, Decimal.Round (2.2222222222225m, 12), "2,2_5,12");
+                       Assert.AreEqual (2.2222222222222m, Decimal.Round (2.22222222222225m, 13), "2,2_5,13");
+                       Assert.AreEqual (2.22222222222222m, Decimal.Round (2.222222222222225m, 14), "2,2_5,14");
+                       Assert.AreEqual (2.222222222222222m, Decimal.Round (2.2222222222222225m, 15), "2,2_5,15");
+                       Assert.AreEqual (2.2222222222222222m, Decimal.Round (2.22222222222222225m, 16), "2,2_5,16");
+                       Assert.AreEqual (2.22222222222222222m, Decimal.Round (2.222222222222222225m, 17), "2,2_5,17");
+                       Assert.AreEqual (2.222222222222222222m, Decimal.Round (2.2222222222222222225m, 18), "2,2_5,18");
+                       Assert.AreEqual (2.2222222222222222222m, Decimal.Round (2.22222222222222222225m, 19), "2,2_5,19");
+                       Assert.AreEqual (2.22222222222222222222m, Decimal.Round (2.222222222222222222225m, 20), "2,2_5,20");
+                       Assert.AreEqual (2.222222222222222222222m, Decimal.Round (2.2222222222222222222225m, 21), "2,2_5,21");
+                       Assert.AreEqual (2.2222222222222222222222m, Decimal.Round (2.22222222222222222222225m, 22), "2,2_5,22");
+                       Assert.AreEqual (2.22222222222222222222222m, Decimal.Round (2.222222222222222222222225m, 23), "2,2_5,23");
+                       Assert.AreEqual (2.222222222222222222222222m, Decimal.Round (2.2222222222222222222222225m, 24), "2,2_5,24");
+                       Assert.AreEqual (2.2222222222222222222222222m, Decimal.Round (2.22222222222222222222222225m, 25), "2,2_5,25");
+                       Assert.AreEqual (2.22222222222222222222222222m, Decimal.Round (2.222222222222222222222222225m, 26), "2,2_5,26");
+                       Assert.AreEqual (2.222222222222222222222222222m, Decimal.Round (2.2222222222222222222222222225m, 27), "2,2_5,27");
+                       Assert.AreEqual (2.2222222222222222222222222222m, Decimal.Round (2.22222222222222222222222222225m, 28), "2,2_5,28");
+               }
 
-       [Test]
-       public void Round_EvenValue_Negative () 
-       {
-               AssertEquals ("-2,2_5,00", -2, Decimal.Round (-2.5m, 0));
-               AssertEquals ("-2,2_5,01", -2.2m, Decimal.Round (-2.25m, 1));
-               AssertEquals ("-2,2_5,02", -2.22m, Decimal.Round (-2.225m, 2));
-               AssertEquals ("-2,2_5,03", -2.222m, Decimal.Round (-2.2225m, 3));
-               AssertEquals ("-2,2_5,04", -2.2222m, Decimal.Round (-2.22225m, 4));
-               AssertEquals ("-2,2_5,05", -2.22222m, Decimal.Round (-2.222225m, 5));
-               AssertEquals ("-2,2_5,06", -2.222222m, Decimal.Round (-2.2222225m, 6));
-               AssertEquals ("-2,2_5,07", -2.2222222m, Decimal.Round (-2.22222225m, 7));
-               AssertEquals ("-2,2_5,08", -2.22222222m, Decimal.Round (-2.222222225m, 8));
-               AssertEquals ("-2,2_5,09", -2.222222222m, Decimal.Round (-2.2222222225m, 9));
-               AssertEquals ("-2,2_5,10", -2.2222222222m, Decimal.Round (-2.22222222225m, 10));
-               AssertEquals ("-2,2_5,11", -2.22222222222m, Decimal.Round (-2.222222222225m, 11));
-               AssertEquals ("-2,2_5,12", -2.222222222222m, Decimal.Round (-2.2222222222225m, 12));
-               AssertEquals ("-2,2_5,13", -2.2222222222222m, Decimal.Round (-2.22222222222225m, 13));
-               AssertEquals ("-2,2_5,14", -2.22222222222222m, Decimal.Round (-2.222222222222225m, 14));
-               AssertEquals ("-2,2_5,15", -2.222222222222222m, Decimal.Round (-2.2222222222222225m, 15));
-               AssertEquals ("-2,2_5,16", -2.2222222222222222m, Decimal.Round (-2.22222222222222225m, 16));
-               AssertEquals ("-2,2_5,17", -2.22222222222222222m, Decimal.Round (-2.222222222222222225m, 17));
-               AssertEquals ("-2,2_5,18", -2.222222222222222222m, Decimal.Round (-2.2222222222222222225m, 18));
-               AssertEquals ("-2,2_5,19", -2.2222222222222222222m, Decimal.Round (-2.22222222222222222225m, 19));
-               AssertEquals ("-2,2_5,20", -2.22222222222222222222m, Decimal.Round (-2.222222222222222222225m, 20));
-               AssertEquals ("-2,2_5,21", -2.222222222222222222222m, Decimal.Round (-2.2222222222222222222225m, 21));
-               AssertEquals ("-2,2_5,22", -2.2222222222222222222222m, Decimal.Round (-2.22222222222222222222225m, 22));
-               AssertEquals ("-2,2_5,23", -2.22222222222222222222222m, Decimal.Round (-2.222222222222222222222225m, 23));
-               AssertEquals ("-2,2_5,24", -2.222222222222222222222222m, Decimal.Round (-2.2222222222222222222222225m, 24));
-               AssertEquals ("-2,2_5,25", -2.2222222222222222222222222m, Decimal.Round (-2.22222222222222222222222225m, 25));
-               AssertEquals ("-2,2_5,26", -2.22222222222222222222222222m, Decimal.Round (-2.222222222222222222222222225m, 26));
-               AssertEquals ("-2,2_5,27", -2.222222222222222222222222222m, Decimal.Round (-2.2222222222222222222222222225m, 27));
-               AssertEquals ("-2,2_5,28", -2.2222222222222222222222222222m, Decimal.Round (-2.22222222222222222222222222225m, 28));
-       }
+               [Test]
+               public void Round_OddValue_Negative ()
+               {
+                       decimal five = -5.5555555555555555555555555555m;
+                       Assert.AreEqual (-6, Decimal.Round (five, 0), "-5,5_,00");
+                       Assert.AreEqual (-5.6m, Decimal.Round (five, 1), "-5,5_,01");
+                       Assert.AreEqual (-5.56m, Decimal.Round (five, 2), "-5,5_,02");
+                       Assert.AreEqual (-5.556m, Decimal.Round (five, 3), "-5,5_,03");
+                       Assert.AreEqual (-5.5556m, Decimal.Round (five, 4), "-5,5_,04");
+                       Assert.AreEqual (-5.55556m, Decimal.Round (five, 5), "-5,5_,05");
+                       Assert.AreEqual (-5.555556m, Decimal.Round (five, 6), "-5,5_,06");
+                       Assert.AreEqual (-5.5555556m, Decimal.Round (five, 7), "-5,5_,07");
+                       Assert.AreEqual (-5.55555556m, Decimal.Round (five, 8), "-5,5_,08");
+                       Assert.AreEqual (-5.555555556m, Decimal.Round (five, 9), "-5,5_,09");
+                       Assert.AreEqual (-5.5555555556m, Decimal.Round (five, 10), "-5,5_,10");
+                       Assert.AreEqual (-5.55555555556m, Decimal.Round (five, 11), "-5,5_,11");
+                       Assert.AreEqual (-5.555555555556m, Decimal.Round (five, 12), "-5,5_,12");
+                       Assert.AreEqual (-5.5555555555556m, Decimal.Round (five, 13), "-5,5_,13");
+                       Assert.AreEqual (-5.55555555555556m, Decimal.Round (five, 14), "-5,5_,14");
+                       Assert.AreEqual (-5.555555555555556m, Decimal.Round (five, 15), "-5,5_,15");
+                       Assert.AreEqual (-5.5555555555555556m, Decimal.Round (five, 16), "-5,5_,16");
+                       Assert.AreEqual (-5.55555555555555556m, Decimal.Round (five, 17), "-5,5_,17");
+                       Assert.AreEqual (-5.555555555555555556m, Decimal.Round (five, 18), "-5,5_,18");
+                       Assert.AreEqual (-5.5555555555555555556m, Decimal.Round (five, 19), "-5,5_,19");
+                       Assert.AreEqual (-5.55555555555555555556m, Decimal.Round (five, 20), "-5,5_,20");
+                       Assert.AreEqual (-5.555555555555555555556m, Decimal.Round (five, 21), "-5,5_,21");
+                       Assert.AreEqual (-5.5555555555555555555556m, Decimal.Round (five, 22), "-5,5_,22");
+                       Assert.AreEqual (-5.55555555555555555555556m, Decimal.Round (five, 23), "-5,5_,23");
+                       Assert.AreEqual (-5.555555555555555555555556m, Decimal.Round (five, 24), "-5,5_,24");
+                       Assert.AreEqual (-5.5555555555555555555555556m, Decimal.Round (five, 25), "-5,5_,25");
+                       Assert.AreEqual (-5.55555555555555555555555556m, Decimal.Round (five, 26), "-5,5_,26");
+                       Assert.AreEqual (-5.555555555555555555555555556m, Decimal.Round (five, 27), "-5,5_,27");
+                       Assert.AreEqual (-5.5555555555555555555555555555m, Decimal.Round (five, 28), "-5.5_,28");
+               }
 
-       [Test]
-       // http://bugzilla.ximian.com/show_bug.cgi?id=59425
-       public void ParseAndKeepPrecision () 
-       {
-               string value = "5";
-               AssertEquals (value, value, Decimal.Parse (value).ToString ());
-               value += '.';
-               for (int i=0; i < 28; i++) {
-                       value += "0";
-                       AssertEquals (i.ToString(), value, Decimal.Parse (value).ToString ());
+               [Test]
+               public void Round_EvenValue_Negative ()
+               {
+                       Assert.AreEqual (-2, Decimal.Round (-2.5m, 0), "-2,2_5,00");
+                       Assert.AreEqual (-2.2m, Decimal.Round (-2.25m, 1), "-2,2_5,01");
+                       Assert.AreEqual (-2.22m, Decimal.Round (-2.225m, 2), "-2,2_5,02");
+                       Assert.AreEqual (-2.222m, Decimal.Round (-2.2225m, 3), "-2,2_5,03");
+                       Assert.AreEqual (-2.2222m, Decimal.Round (-2.22225m, 4), "-2,2_5,04");
+                       Assert.AreEqual (-2.22222m, Decimal.Round (-2.222225m, 5), "-2,2_5,05");
+                       Assert.AreEqual (-2.222222m, Decimal.Round (-2.2222225m, 6), "-2,2_5,06");
+                       Assert.AreEqual (-2.2222222m, Decimal.Round (-2.22222225m, 7), "-2,2_5,07");
+                       Assert.AreEqual (-2.22222222m, Decimal.Round (-2.222222225m, 8), "-2,2_5,08");
+                       Assert.AreEqual (-2.222222222m, Decimal.Round (-2.2222222225m, 9), "-2,2_5,09");
+                       Assert.AreEqual (-2.2222222222m, Decimal.Round (-2.22222222225m, 10), "-2,2_5,10");
+                       Assert.AreEqual (-2.22222222222m, Decimal.Round (-2.222222222225m, 11), "-2,2_5,11");
+                       Assert.AreEqual (-2.222222222222m, Decimal.Round (-2.2222222222225m, 12), "-2,2_5,12");
+                       Assert.AreEqual (-2.2222222222222m, Decimal.Round (-2.22222222222225m, 13), "-2,2_5,13");
+                       Assert.AreEqual (-2.22222222222222m, Decimal.Round (-2.222222222222225m, 14), "-2,2_5,14");
+                       Assert.AreEqual (-2.222222222222222m, Decimal.Round (-2.2222222222222225m, 15), "-2,2_5,15");
+                       Assert.AreEqual (-2.2222222222222222m, Decimal.Round (-2.22222222222222225m, 16), "-2,2_5,16");
+                       Assert.AreEqual (-2.22222222222222222m, Decimal.Round (-2.222222222222222225m, 17), "-2,2_5,17");
+                       Assert.AreEqual (-2.222222222222222222m, Decimal.Round (-2.2222222222222222225m, 18), "-2,2_5,18");
+                       Assert.AreEqual (-2.2222222222222222222m, Decimal.Round (-2.22222222222222222225m, 19), "-2,2_5,19");
+                       Assert.AreEqual (-2.22222222222222222222m, Decimal.Round (-2.222222222222222222225m, 20), "-2,2_5,20");
+                       Assert.AreEqual (-2.222222222222222222222m, Decimal.Round (-2.2222222222222222222225m, 21), "-2,2_5,21");
+                       Assert.AreEqual (-2.2222222222222222222222m, Decimal.Round (-2.22222222222222222222225m, 22), "-2,2_5,22");
+                       Assert.AreEqual (-2.22222222222222222222222m, Decimal.Round (-2.222222222222222222222225m, 23), "-2,2_5,23");
+                       Assert.AreEqual (-2.222222222222222222222222m, Decimal.Round (-2.2222222222222222222222225m, 24), "-2,2_5,24");
+                       Assert.AreEqual (-2.2222222222222222222222222m, Decimal.Round (-2.22222222222222222222222225m, 25), "-2,2_5,25");
+                       Assert.AreEqual (-2.22222222222222222222222222m, Decimal.Round (-2.222222222222222222222222225m, 26), "-2,2_5,26");
+                       Assert.AreEqual (-2.222222222222222222222222222m, Decimal.Round (-2.2222222222222222222222222225m, 27), "-2,2_5,27");
+                       Assert.AreEqual (-2.2222222222222222222222222222m, Decimal.Round (-2.22222222222222222222222222225m, 28), "-2,2_5,28");
                }
 
-               value = "-5";
-               AssertEquals (value, value, Decimal.Parse (value).ToString ());
-               value += '.';
-               for (int i=0; i < 28; i++) {
-                       value += "0";
-                       AssertEquals ("-" + i.ToString(), value, Decimal.Parse (value).ToString ());
+               [Test] // bug #59425
+               [SetCulture("en-US")]
+               public void ParseAndKeepPrecision ()
+               {
+                       string value = "5";
+                       Assert.AreEqual (value, value, Decimal.Parse (value).ToString ());
+                       value += '.';
+                       for (int i = 0; i < 28; i++) {
+                               value += "0";
+                               Assert.AreEqual (value, Decimal.Parse (value).ToString (), i.ToString ());
+                       }
+
+                       value = "-5";
+                       Assert.AreEqual (value, value, Decimal.Parse (value).ToString ());
+                       value += '.';
+                       for (int i = 0; i < 28; i++) {
+                               value += "0";
+                               Assert.AreEqual (value, Decimal.Parse (value).ToString (), "-" + i.ToString ());
+                       }
                }
-       }
 
-       [Test]
-       public void ToString_G () 
-       {
-               AssertEquals ("00", "1.0", (1.0m).ToString ());
-               AssertEquals ("01", "0.1", (0.1m).ToString ());
-               AssertEquals ("02", "0.01", (0.01m).ToString ());
-               AssertEquals ("03", "0.001", (0.001m).ToString ());
-               AssertEquals ("04", "0.0001", (0.0001m).ToString ());
-               AssertEquals ("05", "0.00001", (0.00001m).ToString ());
-               AssertEquals ("06", "0.000001", (0.000001m).ToString ());
-               AssertEquals ("07", "0.0000001", (0.0000001m).ToString ());
-               AssertEquals ("08", "0.00000001", (0.00000001m).ToString ());
-               AssertEquals ("09", "0.000000001", (0.000000001m).ToString ());
-               AssertEquals ("10", "0.0000000001", (0.0000000001m).ToString ());
-               AssertEquals ("11", "0.00000000001", (0.00000000001m).ToString ());
-               AssertEquals ("12", "0.000000000001", (0.000000000001m).ToString ());
-               AssertEquals ("13", "0.0000000000001", (0.0000000000001m).ToString ());
-               AssertEquals ("14", "0.00000000000001", (0.00000000000001m).ToString ());
-               AssertEquals ("15", "0.000000000000001", (0.000000000000001m).ToString ());
-               AssertEquals ("16", "0.0000000000000001", (0.0000000000000001m).ToString ());
-               AssertEquals ("17", "0.00000000000000001", (0.00000000000000001m).ToString ());
-               AssertEquals ("18", "0.000000000000000001", (0.000000000000000001m).ToString ());
-               AssertEquals ("19", "0.0000000000000000001", (0.0000000000000000001m).ToString ());
-               AssertEquals ("20", "0.00000000000000000001", (0.00000000000000000001m).ToString ());
-               AssertEquals ("21", "0.000000000000000000001", (0.000000000000000000001m).ToString ());
-               AssertEquals ("22", "0.0000000000000000000001", (0.0000000000000000000001m).ToString ());
-               AssertEquals ("23", "0.00000000000000000000001", (0.00000000000000000000001m).ToString ());
-               AssertEquals ("24", "0.000000000000000000000001", (0.000000000000000000000001m).ToString ());
-               AssertEquals ("25", "0.0000000000000000000000001", (0.0000000000000000000000001m).ToString ());
-               AssertEquals ("26", "0.00000000000000000000000001", (0.00000000000000000000000001m).ToString ());
-               AssertEquals ("27", "0.000000000000000000000000001", (0.000000000000000000000000001m).ToString ());
-               AssertEquals ("28", "0.0000000000000000000000000001", (0.0000000000000000000000000001m).ToString ());
+               [Test]
+               [SetCulture("en-US")]
+               public void ToString_G ()
+               {
+                       Assert.AreEqual ("1.0", (1.0m).ToString (), "00");
+                       Assert.AreEqual ("0.1", (0.1m).ToString (), "01");
+                       Assert.AreEqual ("0.01", (0.01m).ToString (), "02");
+                       Assert.AreEqual ("0.001", (0.001m).ToString (), "03");
+                       Assert.AreEqual ("0.0001", (0.0001m).ToString (), "04");
+                       Assert.AreEqual ("0.00001", (0.00001m).ToString (), "05");
+                       Assert.AreEqual ("0.000001", (0.000001m).ToString (), "06");
+                       Assert.AreEqual ("0.0000001", (0.0000001m).ToString (), "07");
+                       Assert.AreEqual ("0.00000001", (0.00000001m).ToString (), "08");
+                       Assert.AreEqual ("0.000000001", (0.000000001m).ToString (), "09");
+                       Assert.AreEqual ("0.0000000001", (0.0000000001m).ToString (), "10");
+                       Assert.AreEqual ("0.00000000001", (0.00000000001m).ToString (), "11");
+                       Assert.AreEqual ("0.000000000001", (0.000000000001m).ToString (), "12");
+                       Assert.AreEqual ("0.0000000000001", (0.0000000000001m).ToString (), "13");
+                       Assert.AreEqual ("0.00000000000001", (0.00000000000001m).ToString (), "14");
+                       Assert.AreEqual ("0.000000000000001", (0.000000000000001m).ToString (), "15");
+                       Assert.AreEqual ("0.0000000000000001", (0.0000000000000001m).ToString (), "16");
+                       Assert.AreEqual ("0.00000000000000001", (0.00000000000000001m).ToString (), "17");
+                       Assert.AreEqual ("0.000000000000000001", (0.000000000000000001m).ToString (), "18");
+                       Assert.AreEqual ("0.0000000000000000001", (0.0000000000000000001m).ToString (), "19");
+                       Assert.AreEqual ("0.00000000000000000001", (0.00000000000000000001m).ToString (), "20");
+                       Assert.AreEqual ("0.000000000000000000001", (0.000000000000000000001m).ToString (), "21");
+                       Assert.AreEqual ("0.0000000000000000000001", (0.0000000000000000000001m).ToString (), "22");
+                       Assert.AreEqual ("0.00000000000000000000001", (0.00000000000000000000001m).ToString (), "23");
+                       Assert.AreEqual ("0.000000000000000000000001", (0.000000000000000000000001m).ToString (), "24");
+                       Assert.AreEqual ("0.0000000000000000000000001", (0.0000000000000000000000001m).ToString (), "25");
+                       Assert.AreEqual ("0.00000000000000000000000001", (0.00000000000000000000000001m).ToString (), "26");
+                       Assert.AreEqual ("0.000000000000000000000000001", (0.000000000000000000000000001m).ToString (), "27");
+                       Assert.AreEqual ("0.0000000000000000000000000001", (0.0000000000000000000000000001m).ToString (), "28");
+               }
+
+               [Test]
+               public void MidpointRoundingAwayFromZero ()
+               {
+                       MidpointRounding m = MidpointRounding.AwayFromZero;
+                       Assert.AreEqual (4, Math.Round (3.5M, m), "#1");
+                       Assert.AreEqual (3, Math.Round (2.8M, m), "#2");
+                       Assert.AreEqual (3, Math.Round (2.5M, m), "#3");
+                       Assert.AreEqual (2, Math.Round (2.1M, m), "#4");
+                       Assert.AreEqual (-2, Math.Round (-2.1M, m), "#5");
+                       Assert.AreEqual (-3, Math.Round (-2.5M, m), "#6");
+                       Assert.AreEqual (-3, Math.Round (-2.8M, m), "#7");
+                       Assert.AreEqual (-4, Math.Round (-3.5M, m), "#8");
+
+                       Assert.AreEqual (3.1M, Math.Round (3.05M, 1, m), "#9");
+                       Assert.AreEqual (2.1M, Math.Round (2.08M, 1, m), "#10");
+                       Assert.AreEqual (2.1M, Math.Round (2.05M, 1, m), "#11");
+                       Assert.AreEqual (2.0M, Math.Round (2.01M, 1, m), "#12");
+                       Assert.AreEqual (-2.0M, Math.Round (-2.01M, 1, m), "#13");
+                       Assert.AreEqual (-2.1M, Math.Round (-2.05M, 1, m), "#14");
+                       Assert.AreEqual (-2.1M, Math.Round (-2.08M, 1, m), "#15");
+                       Assert.AreEqual (-3.1M, Math.Round (-3.05M, 1, m), "#16");
+               }
+
+               [Test] // bug #4814
+               [SetCulture("")]
+               public void Parse_NumberGroupSeparatorIsEmpty_DoNotThrowIndexOutOfRangeException ()
+               {
+                       NumberFormatInfo nf = new NumberFormatInfo ();
+                       nf.NumberGroupSeparator = "";
+                       Decimal.Parse ("1.5", nf);
+               }
+
+               [Test] // bug #4814
+               [SetCulture("")]
+               public void Parse_CurrencyGroupSeparatorIsEmpty_DoNotThrowIndexOutOfRangeException ()
+               {
+                       NumberFormatInfo nf = new NumberFormatInfo ();
+                       nf.CurrencyGroupSeparator = "";
+                       Decimal.Parse ("\u00A41.5", NumberStyles.Currency, nf);
+               }
+
+               [Test] // bug #4814
+               [SetCulture("")]
+               public void Parse_LeadingSign_PositiveSignIsEmpty_DoNotThrowIndexOutOfRangeException ()
+               {
+                       NumberFormatInfo nf = new NumberFormatInfo ();
+                       nf.PositiveSign = "";
+                       try {
+                               Decimal.Parse ("+15", nf);
+                       } catch (FormatException) {
+                               return;
+                       }
+
+                       Assert.Fail ("Expected FormatException");
+               }
+
+               [Test] // bug #4814
+               [SetCulture("")]
+               public void Parse_LeadingSign_NegativeSignIsEmpty_DoNotThrowIndexOutOfRangeException ()
+               {
+                       NumberFormatInfo nf = new NumberFormatInfo ();
+                       nf.NegativeSign = "";
+                       try {
+                               Decimal.Parse ("-15", nf);
+                       } catch (FormatException) {
+                               return;
+                       }
+
+                       Assert.Fail ("Expected FormatException");
+               }
+
+               [Test] // bug #4814
+               [SetCulture("")]
+               public void Parse_TrailingSign_PositiveSignIsEmpty_DoNotThrowIndexOutOfRangeException ()
+               {
+                       NumberFormatInfo nf = new NumberFormatInfo ();
+                       nf.PositiveSign = "";
+                       try {
+                               Decimal.Parse ("15+", nf);
+                       } catch (FormatException) {
+                               return;
+                       }
+
+                       Assert.Fail ("Expected FormatException");
+               }
+
+               [Test] // bug #4814
+               [SetCulture("")]
+               public void Parse_TrailingSign_NegativeSignIsEmpty_DoNotThrowIndexOutOfRangeException ()
+               {
+                       NumberFormatInfo nf = new NumberFormatInfo ();
+                       nf.NegativeSign = "";
+                       try {
+                               Decimal.Parse ("15-", nf);
+                       } catch (FormatException) {
+                               return;
+                       }
+
+                       Assert.Fail ("Expected FormatException");
+               }
+
+               [Test]
+               [SetCulture("en-US")]
+               public void ParseZeros ()
+               {
+                       var d = Decimal.Parse ("0.000");
+                       var bits = Decimal.GetBits (d);
+                       Assert.AreEqual (0, bits[0], "#1");
+                       Assert.AreEqual (0, bits[1], "#2");
+                       Assert.AreEqual (0, bits[2], "#3");
+                       Assert.AreEqual (196608, bits[3], "#4");
+                       Assert.AreEqual ("0.000", d.ToString (), "#5");
+
+                       d = Decimal.Parse("0.000000000000000000000000000000000000000000000000000000000000000000");
+                       Assert.AreEqual ("0.0000000000000000000000000000", d.ToString (), "#10");
+
+                       d = Decimal.Parse ("0.");
+                       Assert.AreEqual ("0", d.ToString (), "#11");
+               }
        }
-    }
 }