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         private string[] Results1 = {"("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"128.00)",
  28                                         "-128", "-1.280000e+002", "-128.00",
  29                                         "-128", "-128.00", "-12,800.00 %", "80"};
  30         private string[] Results2 = {NumberFormatInfo.CurrentInfo.CurrencySymbol+"127.00000",
  31                                         "00127", "1.27000e+002", "127.00000",
  32                                         "127", "127.00000", "12,700.00000 %", "0007f"};
  33         private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"128.00)",
  34                                         "-128", "-1.280000e+002", "-128.00",
  35                                         "-128", "-128.00", "-12,800.00 %", "80"};
  36         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"127.00000",
  37                                         "00127", "1.27000e+002", "127.00000",
  38                                         "127", "127.00000", "12,700.00000 %", "0007f"};
  39         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  40
  41         [Test]
  42         public void TestMinMax()
  43         {
  44                 Assert.AreEqual(SByte.MinValue, MySByte2);
  45                 Assert.AreEqual(SByte.MaxValue, MySByte3);
  46         }
  47
  48         [Test]
  49         public void TestCompareTo()
  50         {
  51                 Assert.IsTrue(MySByte3.CompareTo(MySByte2) > 0);
  52                 Assert.IsTrue(MySByte2.CompareTo(MySByte2) == 0);
  53                 Assert.IsTrue(MySByte1.CompareTo((SByte)(-42)) == 0);
  54                 Assert.IsTrue(MySByte2.CompareTo(MySByte3) < 0);
  55                 try {
  56                         MySByte2.CompareTo((object)(int)100);
  57                         Assert.Fail("Should raise a System.ArgumentException");
  58                 }
  59                 catch (Exception e) {
  60                         Assert.IsTrue(typeof(ArgumentException) == e.GetType());
  61                 }
  62         }
  63
  64         [Test]
  65         public void TestEquals()
  66         {
  67                 Assert.IsTrue(MySByte1.Equals(MySByte1));
  68                 Assert.IsTrue(MySByte1.Equals((SByte)(-42)));
  69                 Assert.IsTrue(MySByte1.Equals((Int16)(-42)) == false);
  70                 Assert.IsTrue(MySByte1.Equals(MySByte2) == false);
  71         }
  72
  73         [Test]
  74         public void TestGetHashCode()
  75         {
  76                 try {
  77                         MySByte1.GetHashCode();
  78                         MySByte2.GetHashCode();
  79                         MySByte3.GetHashCode();
  80                 }
  81                 catch {
  82                         Assert.Fail("GetHashCode should not raise an exception here");
  83                 }
  84         }
  85
  86         [Test]
  87         public void TestParse()
  88         {
  89                 //test Parse(string s)
  90                 Assert.IsTrue(MySByte1 == SByte.Parse(MyString1));
  91                 Assert.IsTrue(MySByte2 == SByte.Parse(MyString2));
  92                 Assert.IsTrue(MySByte3 == SByte.Parse(MyString3));
  93                 try {
  94                         SByte.Parse(null);
  95                         Assert.Fail("Should raise a System.ArgumentNullException");
  96                 }
  97                 catch (Exception e) {
  98                         Assert.IsTrue(typeof(ArgumentNullException) == e.GetType());
  99                 }
 100                 try {
 101                         SByte.Parse("not-a-number");
 102                         Assert.Fail("Should raise a System.FormatException");
 103                 }
 104                 catch (Exception e) {
 105                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 106                 }
 107                 try {
 108                         int OverInt = SByte.MaxValue + 1;
 109                         SByte.Parse(OverInt.ToString());
 110                         Assert.Fail("Should raise a System.OverflowException");
 111                 }
 112                 catch (Exception e) {
 113                         Assert.IsTrue(typeof(OverflowException) == e.GetType());
 114                 }
 115                 //test Parse(string s, NumberStyles style)
 116                 Assert.AreEqual((sbyte)42, SByte.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency), "A1");
 117                 try {
 118                         SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer);
 119                         Assert.Fail("Should raise a System.FormatException");
 120                 }
 121                 catch (Exception e) {
 122                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 123                 }
 124                 //test Parse(string s, IFormatProvider provider)
 125                 Assert.IsTrue(-42 == SByte.Parse(" -42 ", Nfi));
 126                 try {
 127                         SByte.Parse("%42", Nfi);
 128                         Assert.Fail("Should raise a System.FormatException");
 129                 }
 130                 catch (Exception e) {
 131                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 132                 }
 133                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 134                 Assert.IsTrue(16 == SByte.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 135                 try {
 136                         SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer, Nfi);
 137                         Assert.Fail("Should raise a System.FormatException");
 138                 }
 139                 catch (Exception e) {
 140                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 141                 }
 142         }
 143
 144         [Test]
 145         public void Parse_MinMax ()
 146         {
 147                 Assert.AreEqual (SByte.MinValue, SByte.Parse ("-128"), "MinValue");
 148                 Assert.AreEqual (SByte.MaxValue, SByte.Parse ("127"), "MaxValue");
 149         }
 150
 151         [Test]
 152         public void TestToString()
 153         {
 154                 //test ToString()
 155                 Assert.IsTrue(String.Compare(MyString1, MySByte1.ToString()) == 0, "MyString1, MySByte1.ToString()");
 156                 Assert.IsTrue(String.Compare(MyString2, MySByte2.ToString()) == 0, "MyString2, MySByte2.ToString()");
 157                 Assert.IsTrue(String.Compare(MyString3, MySByte3.ToString()) == 0, "MyString3, MySByte3.ToString()");
 158                 //test ToString(string format)
 159                 /*
 160                 TODO: These tests depend on the culture of the system running the test.
 161                         So, this needs to be tested in a different way.
 162                 for (int i=0; i < Formats1.Length; i++) {
 163                         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);
 164                         Assert.IsTrue(String.Compare(Results2[i], MySByte3.ToString(Formats2[i])) == 0, "Results2[i], MySByte3.ToString(Formats2[i])");
 165                 }
 166                 */
 167                 //test ToString(string format, IFormatProvider provider);
 168                 for (int i=0; i < Formats1.Length; i++) {
 169                         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));
 170                         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));
 171                 }
 172                 try {
 173                         MySByte1.ToString("z");
 174                         Assert.Fail("Should raise a System.FormatException");
 175                 }
 176                 catch (Exception e) {
 177                         Assert.IsTrue(typeof(FormatException) == e.GetType(), "typeof(FormatException) == e.GetType()");
 178                 }
 179         }
 180
 181         [Test]
 182         public void ToString_Defaults ()
 183         {
 184                 SByte i = 100;
 185                 // everything defaults to "G"
 186                 string def = i.ToString ("G");
 187                 Assert.AreEqual (def, i.ToString (), "ToString()");
 188                 Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
 189                 Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
 190                 Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
 191                 Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
 192                 Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
 193
 194                 Assert.AreEqual ("100", def, "ToString(G)");
 195         }
 196 }
 197
 198 }