mcs/class/corlib/Test/System/SByteTest.cs

   1 // SByteTest.cs - NUnit Test Cases for the System.SByte struct
   2 //
   3 // Mario Martinez (mariom925@home.om)
   4 //
   5 // (C) Ximian, Inc.  http://www.ximian.com
   6 // Copyright (C) 2004 Novell (http://www.novell.com)
   7 //
   8
   9 using NUnit.Framework;
  10 using System;
  11 using System.Globalization;
  12
  13 namespace MonoTests.System
  14 {
  15
  16 [TestFixture]
  17 public class SByteTest
  18 {
  19         private const SByte MySByte1 = -42;
  20         private const SByte MySByte2 = -128;
  21         private const SByte MySByte3 = 127;
  22         private const string MyString1 = "-42";
  23         private const string MyString2 = "-128";
  24         private const string MyString3 = "127";
  25         private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
  26         private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
  27 #if false
  28         // These are not currently being tested against, due to the locale-specific nature of the test, we need a different way of doing this
  29         private string[] Results1 = {"("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"128.00)",
  30                                         "-128", "-1.280000e+002", "-128.00",
  31                                         "-128", "-128.00", "-12,800.00 %", "80"};
  32         private string[] Results2 = {NumberFormatInfo.CurrentInfo.CurrencySymbol+"127.00000",
  33                                         "00127", "1.27000e+002", "127.00000",
  34                                         "127", "127.00000", "12,700.00000 %", "0007f"};
  35 #endif
  36         private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"128.00)",
  37                                         "-128", "-1.280000e+002", "-128.00",
  38                                         "-128", "-128.00", "-12,800.00 %", "80"};
  39         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"127.00000",
  40                                         "00127", "1.27000e+002", "127.00000",
  41                                         "127", "127.00000", "12,700.00000 %", "0007f"};
  42         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  43
  44         [Test]
  45         public void TestMinMax()
  46         {
  47                 Assert.AreEqual(SByte.MinValue, MySByte2);
  48                 Assert.AreEqual(SByte.MaxValue, MySByte3);
  49         }
  50
  51         [Test]
  52         public void TestCompareTo()
  53         {
  54                 Assert.AreEqual(255, MySByte3.CompareTo(MySByte2), "#1");
  55                 Assert.AreEqual(0, MySByte2.CompareTo(MySByte2), "#2");
  56                 Assert.AreEqual(0, MySByte1.CompareTo((SByte)(-42)), "#3");
  57                 Assert.AreEqual(-255, MySByte2.CompareTo(MySByte3), "#4");
  58                 try {
  59                         MySByte2.CompareTo((object)(int)100);
  60                         Assert.Fail("Should raise a System.ArgumentException");
  61                 } catch (ArgumentException e) {
  62                 }
  63         }
  64
  65         [Test]
  66         public void TestEquals()
  67         {
  68                 Assert.IsTrue(MySByte1.Equals(MySByte1));
  69                 Assert.IsTrue(MySByte1.Equals((SByte)(-42)));
  70                 Assert.IsTrue(MySByte1.Equals((Int16)(-42)) == false);
  71                 Assert.IsTrue(MySByte1.Equals(MySByte2) == false);
  72         }
  73
  74         [Test]
  75         public void TestGetHashCode()
  76         {
  77                 try {
  78                         MySByte1.GetHashCode();
  79                         MySByte2.GetHashCode();
  80                         MySByte3.GetHashCode();
  81                 }
  82                 catch {
  83                         Assert.Fail("GetHashCode should not raise an exception here");
  84                 }
  85         }
  86
  87         [Test]
  88         public void TestParse()
  89         {
  90                 //test Parse(string s)
  91                 Assert.IsTrue(MySByte1 == SByte.Parse(MyString1));
  92                 Assert.IsTrue(MySByte2 == SByte.Parse(MyString2));
  93                 Assert.IsTrue(MySByte3 == SByte.Parse(MyString3));
  94                 try {
  95                         SByte.Parse(null);
  96                         Assert.Fail("Should raise a System.ArgumentNullException");
  97                 }
  98                 catch (Exception e) {
  99                         Assert.IsTrue(typeof(ArgumentNullException) == e.GetType());
 100                 }
 101                 try {
 102                         SByte.Parse("not-a-number");
 103                         Assert.Fail("Should raise a System.FormatException");
 104                 }
 105                 catch (Exception e) {
 106                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 107                 }
 108                 try {
 109                         int OverInt = SByte.MaxValue + 1;
 110                         SByte.Parse(OverInt.ToString());
 111                         Assert.Fail("Should raise a System.OverflowException");
 112                 }
 113                 catch (Exception e) {
 114                         Assert.IsTrue(typeof(OverflowException) == e.GetType());
 115                 }
 116                 //test Parse(string s, NumberStyles style)
 117                 Assert.AreEqual((sbyte)42, SByte.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency), "A1");
 118                 try {
 119                         SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer);
 120                         Assert.Fail("Should raise a System.FormatException");
 121                 }
 122                 catch (Exception e) {
 123                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 124                 }
 125                 //test Parse(string s, IFormatProvider provider)
 126                 Assert.IsTrue(-42 == SByte.Parse(" -42 ", Nfi));
 127                 try {
 128                         SByte.Parse("%42", Nfi);
 129                         Assert.Fail("Should raise a System.FormatException");
 130                 }
 131                 catch (Exception e) {
 132                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 133                 }
 134                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 135                 Assert.IsTrue(16 == SByte.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 136                 try {
 137                         SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer, Nfi);
 138                         Assert.Fail("Should raise a System.FormatException");
 139                 }
 140                 catch (Exception e) {
 141                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 142                 }
 143
 144                 try {
 145                         SByte.Parse ("1FF", NumberStyles.HexNumber);
 146                         Assert.Fail ("#1");
 147                 } catch (OverflowException) {
 148                 }
 149         }
 150
 151         [Test]
 152         public void Parse_MinMax ()
 153         {
 154                 Assert.AreEqual (SByte.MinValue, SByte.Parse ("-128"), "MinValue");
 155                 Assert.AreEqual (SByte.MaxValue, SByte.Parse ("127"), "MaxValue");
 156                 Assert.AreEqual (-1, SByte.Parse ("FF", NumberStyles.HexNumber), "MaxHex");
 157         }
 158
 159         [Test]
 160         public void TestToString()
 161         {
 162                 //test ToString()
 163                 Assert.IsTrue(String.Compare(MyString1, MySByte1.ToString()) == 0, "MyString1, MySByte1.ToString()");
 164                 Assert.IsTrue(String.Compare(MyString2, MySByte2.ToString()) == 0, "MyString2, MySByte2.ToString()");
 165                 Assert.IsTrue(String.Compare(MyString3, MySByte3.ToString()) == 0, "MyString3, MySByte3.ToString()");
 166                 //test ToString(string format)
 167
 168 #if false
 169                 /*
 170                  * TODO: These tests depend on the culture of the system running the test.
 171                  * So, this needs to be tested in a different way.
 172                  /
 173                 for (int i=0; i < Formats1.Length; i++) {
 174                         Assert.IsTrue("i="+i+", Results1[i]="+Results1[i]+", MySByte2.ToString(Formats1[i])="+MySByte2.ToString(Formats1[i]), String.Compare(Results1[i], MySByte2.ToString(Formats1[i])) == 0);
 175                         Assert.IsTrue(String.Compare(Results2[i], MySByte3.ToString(Formats2[i])) == 0, "Results2[i], MySByte3.ToString(Formats2[i])");
 176                 }
 177 #endif
 178                 //test ToString(string format, IFormatProvider provider);
 179                 for (int i=0; i < Formats1.Length; i++) {
 180                         Assert.IsTrue(String.Compare(ResultsNfi1[i], MySByte2.ToString(Formats1[i], Nfi)) == 0, "i="+i+", ResultsNfi1[i]="+ResultsNfi1[i]+", MySByte2.ToString(Formats1[i]="+Formats1[i]+"): Expected "+ResultsNfi1[i]+" but got "+MySByte2.ToString(Formats1[i], Nfi));
 181                         Assert.IsTrue(String.Compare(ResultsNfi2[i], MySByte3.ToString(Formats2[i], Nfi)) == 0, "ResultsNfi2[i], MySByte3.ToString(Formats2[i], Nfi):"+ResultsNfi2[i]+"<==>"+MySByte3.ToString(Formats2[i], Nfi));
 182                 }
 183                 try {
 184                         MySByte1.ToString("z");
 185                         Assert.Fail("Should raise a System.FormatException");
 186                 }
 187                 catch (Exception e) {
 188                         Assert.IsTrue(typeof(FormatException) == e.GetType(), "typeof(FormatException) == e.GetType()");
 189                 }
 190         }
 191
 192         [Test]
 193         public void ToString_Defaults ()
 194         {
 195                 SByte i = 100;
 196                 // everything defaults to "G"
 197                 string def = i.ToString ("G");
 198                 Assert.AreEqual (def, i.ToString (), "ToString()");
 199                 Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
 200                 Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
 201                 Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
 202                 Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
 203                 Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
 204
 205                 Assert.AreEqual ("100", def, "ToString(G)");
 206         }
 207
 208         [Test]
 209         public void Bug3677 ()
 210         {
 211                 Assert.AreEqual (-29, sbyte.Parse("E3", NumberStyles.HexNumber), "HexNumber");
 212         }
 213 }
 214
 215 }