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