mcs/class/corlib/Test/System/Int16Test.cs

   1 // Int16Test.cs - NUnit Test Cases for the System.Int16 struct
   2 //
   3 // Mario Martinez (mariom925@home.om)
   4 //
   5 // (C) Ximian, Inc.  http://www.ximian.com
   6 //
   7
   8 using NUnit.Framework;
   9 using System;
  10 using System.Threading;
  11 using System.Globalization;
  12
  13 namespace MonoTests.System
  14 {
  15
  16 public class Int16Test : TestCase
  17 {
  18         private const Int16 MyInt16_1 = -42;
  19         private const Int16 MyInt16_2 = -32768;
  20         private const Int16 MyInt16_3 = 32767;
  21         private const string MyString1 = "-42";
  22         private const string MyString2 = "-32768";
  23         private const string MyString3 = "32767";
  24         private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
  25         private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
  26         private string[] Results1 = {null, "-32768", "-3.276800e+004", "-32768.00",
  27                                           "-32768", "-32,768.00", "-3,276,800.00 %", "8000"};
  28         private string[] Results2 = {null, "32767", "3.27670e+004", "32767.00000",
  29                                           "32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
  30         private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"32,768.00)", "-32768", "-3.276800e+004", "-32768.00",
  31                                           "-32768", "-32,768.00", "-3,276,800.00 %", "8000"};
  32         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"32,767.00000", "32767", "3.27670e+004", "32767.00000",
  33                                           "32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
  34         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  35
  36         public Int16Test() : base ("MonoTests.System.Int16Test testcase") {}\r
  37         public Int16Test(string name) : base(name) {}
  38
  39         private CultureInfo old_culture;
  40
  41         protected override void SetUp()
  42         {
  43                 old_culture = Thread.CurrentThread.CurrentCulture;
  44
  45                 // Set culture to en-US and don't let the user override.
  46                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
  47
  48                 // We can't initialize this until we set the culture.
  49                 Results1 [0] = "("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"32,768.00)";
  50                 Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol+"32,767.00000";
  51         }
  52
  53         protected override void TearDown()
  54         {
  55                 Thread.CurrentThread.CurrentCulture = old_culture;
  56         }
  57
  58         public static ITest Suite {
  59                 get {
  60                         return new TestSuite(typeof(Int16Test));
  61                 }
  62         }
  63
  64         public void TestMinMax()
  65         {
  66
  67                 AssertEquals(Int16.MinValue, MyInt16_2);
  68                 AssertEquals(Int16.MaxValue, MyInt16_3);
  69         }
  70
  71         public void TestCompareTo()
  72         {
  73                 Assert(MyInt16_3.CompareTo(MyInt16_2) > 0);
  74                 Assert(MyInt16_2.CompareTo(MyInt16_2) == 0);
  75                 Assert(MyInt16_1.CompareTo((Int16)(-42)) == 0);
  76                 Assert(MyInt16_2.CompareTo(MyInt16_3) < 0);
  77                 try {
  78                         MyInt16_2.CompareTo(100);
  79                         Fail("Should raise a System.ArgumentException");
  80                 }
  81                 catch (Exception e) {
  82                         Assert(typeof(ArgumentException) == e.GetType());
  83                 }
  84         }
  85
  86         public void TestEquals()
  87         {
  88                 Assert(MyInt16_1.Equals(MyInt16_1));
  89                 Assert(MyInt16_1.Equals((Int16)(-42)));
  90                 Assert(MyInt16_1.Equals((SByte)(-42)) == false);
  91                 Assert(MyInt16_1.Equals(MyInt16_2) == false);
  92         }
  93
  94         public void TestGetHashCode()
  95         {
  96                 try {
  97                         MyInt16_1.GetHashCode();
  98                         MyInt16_2.GetHashCode();
  99                         MyInt16_3.GetHashCode();
 100                 }
 101                 catch {
 102                         Fail("GetHashCode should not raise an exception here");
 103                 }
 104         }
 105
 106         public void TestParse()
 107         {
 108                 //test Parse(string s)
 109                 Assert(MyInt16_1 == Int16.Parse(MyString1));
 110                 Assert(MyInt16_2 == Int16.Parse(MyString2));
 111                 Assert(MyInt16_3 == Int16.Parse(MyString3));
 112                 try {
 113                         Int16.Parse(null);
 114                         Fail("Should raise a System.ArgumentNullException");
 115                 }
 116                 catch (Exception e) {
 117                         Assert(typeof(ArgumentNullException) == e.GetType());
 118                 }
 119                 try {
 120                         Int16.Parse("not-a-number");
 121                         Fail("Should raise a System.FormatException");
 122                 }
 123                 catch (Exception e) {
 124                         Assert(typeof(FormatException) == e.GetType());
 125                 }
 126                 try {
 127                         int OverInt = Int16.MaxValue + 1;
 128                         Int16.Parse(OverInt.ToString());
 129                         Fail("Should raise a System.OverflowException");
 130                 }
 131                 catch (Exception e) {
 132                         Assert(typeof(OverflowException) == e.GetType());
 133                 }
 134                 //test Parse(string s, NumberStyles style)
 135                 Assert(42 == Int16.Parse(" $42 ", NumberStyles.Currency));
 136                 try {
 137                         Int16.Parse("$42", NumberStyles.Integer);
 138                         Fail("Should raise a System.FormatException");
 139                 }
 140                 catch (Exception e) {
 141                         Assert(typeof(FormatException) == e.GetType());
 142                 }
 143                 //test Parse(string s, IFormatProvider provider)
 144                 Assert(-42 == Int16.Parse(" -42 ", Nfi));
 145                 try {
 146                         Int16.Parse("%42", Nfi);
 147                         Fail("Should raise a System.FormatException");
 148                 }
 149                 catch (Exception e) {
 150                         Assert(typeof(FormatException) == e.GetType());
 151                 }
 152                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 153                 Assert(16 == Int16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 154                 try {
 155                         Int16.Parse("$42", NumberStyles.Integer, Nfi);
 156                         Fail("Should raise a System.FormatException");
 157                 }
 158                 catch (Exception e) {
 159                         Assert(typeof(FormatException) == e.GetType());
 160                 }
 161         }
 162
 163         public void TestToString()
 164         {
 165                 //test ToString()
 166                 Assert(String.Compare(MyString1, MyInt16_1.ToString()) == 0);
 167                 Assert(String.Compare(MyString2, MyInt16_2.ToString()) == 0);
 168                 Assert(String.Compare(MyString3, MyInt16_3.ToString()) == 0);
 169                 //test ToString(string format)
 170                 /*
 171                 TODO: These tests are culture sensitive.  Need to find a way to determine the culture
 172                         of the system to decide the correct expected result.
 173                 for (int i=0; i < Formats1.Length; i++) {
 174                         Assert(String.Compare(Results1[i], MyInt16_2.ToString(Formats1[i])) == 0);
 175                         Assert(String.Compare(Results2[i], MyInt16_3.ToString(Formats2[i])) == 0);
 176                 }
 177                 */
 178                 //test ToString(string format, IFormatProvider provider);
 179                 for (int i=0; i < Formats1.Length; i++) {
 180                         Assert("i="+i+", ResultsNfi1[i]="+ResultsNfi1[i]+", MyInt16_2.ToString(Formats1[i]="+Formats1[i]+"): Expected "+ResultsNfi1[i]+" but got "+MyInt16_2.ToString(Formats1[i], Nfi), String.Compare(ResultsNfi1[i], MyInt16_2.ToString(Formats1[i], Nfi)) == 0);
 181                         Assert("i="+i+", ResultsNfi2[i]="+ResultsNfi2[i]+", MyInt16_3.ToString(Formats2[i]="+Formats2[i]+"): Expected "+ResultsNfi2[i]+" but got "+MyInt16_3.ToString(Formats2[i], Nfi), String.Compare(ResultsNfi2[i], MyInt16_3.ToString(Formats2[i], Nfi)) == 0);
 182                 }
 183                 try {
 184                         MyInt16_1.ToString("z");
 185                         Fail("Should raise a System.FormatException");
 186                 }
 187                 catch (Exception e) {
 188                         Assert(typeof(FormatException) == e.GetType());
 189                 }
 190         }
 191 }
 192
 193 }