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() {}
  37
  38         private CultureInfo old_culture;
  39
  40         protected override void SetUp()
  41         {
  42                 old_culture = Thread.CurrentThread.CurrentCulture;
  43
  44                 // Set culture to en-US and don't let the user override.
  45                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
  46
  47                 // We can't initialize this until we set the culture.
  48                 Results1 [0] = "("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"32,768.00)";
  49                 Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol+"32,767.00000";
  50         }
  51
  52         protected override void TearDown()
  53         {
  54                 Thread.CurrentThread.CurrentCulture = old_culture;
  55         }
  56
  57         public void TestMinMax()
  58         {
  59
  60                 AssertEquals(Int16.MinValue, MyInt16_2);
  61                 AssertEquals(Int16.MaxValue, MyInt16_3);
  62         }
  63
  64         public void TestCompareTo()
  65         {
  66                 Assert(MyInt16_3.CompareTo(MyInt16_2) > 0);
  67                 Assert(MyInt16_2.CompareTo(MyInt16_2) == 0);
  68                 Assert(MyInt16_1.CompareTo((Int16)(-42)) == 0);
  69                 Assert(MyInt16_2.CompareTo(MyInt16_3) < 0);
  70                 try {
  71                         MyInt16_2.CompareTo(100);
  72                         Fail("Should raise a System.ArgumentException");
  73                 }
  74                 catch (Exception e) {
  75                         Assert(typeof(ArgumentException) == e.GetType());
  76                 }
  77         }
  78
  79         public void TestEquals()
  80         {
  81                 Assert(MyInt16_1.Equals(MyInt16_1));
  82                 Assert(MyInt16_1.Equals((Int16)(-42)));
  83                 Assert(MyInt16_1.Equals((SByte)(-42)) == false);
  84                 Assert(MyInt16_1.Equals(MyInt16_2) == false);
  85         }
  86
  87         public void TestGetHashCode()
  88         {
  89                 try {
  90                         MyInt16_1.GetHashCode();
  91                         MyInt16_2.GetHashCode();
  92                         MyInt16_3.GetHashCode();
  93                 }
  94                 catch {
  95                         Fail("GetHashCode should not raise an exception here");
  96                 }
  97         }
  98
  99         public void TestParse()
 100         {
 101                 //test Parse(string s)
 102                 Assert(MyInt16_1 == Int16.Parse(MyString1));
 103                 Assert(MyInt16_2 == Int16.Parse(MyString2));
 104                 Assert(MyInt16_3 == Int16.Parse(MyString3));
 105                 try {
 106                         Int16.Parse(null);
 107                         Fail("Should raise a System.ArgumentNullException");
 108                 }
 109                 catch (Exception e) {
 110                         Assert(typeof(ArgumentNullException) == e.GetType());
 111                 }
 112                 try {
 113                         Int16.Parse("not-a-number");
 114                         Fail("Should raise a System.FormatException");
 115                 }
 116                 catch (Exception e) {
 117                         Assert(typeof(FormatException) == e.GetType());
 118                 }
 119                 try {
 120                         int OverInt = Int16.MaxValue + 1;
 121                         Int16.Parse(OverInt.ToString());
 122                         Fail("Should raise a System.OverflowException");
 123                 }
 124                 catch (Exception e) {
 125                         Assert(typeof(OverflowException) == e.GetType());
 126                 }
 127                 //test Parse(string s, NumberStyles style)
 128                 Assert(42 == Int16.Parse(" $42 ", NumberStyles.Currency));
 129                 try {
 130                         Int16.Parse("$42", NumberStyles.Integer);
 131                         Fail("Should raise a System.FormatException");
 132                 }
 133                 catch (Exception e) {
 134                         Assert(typeof(FormatException) == e.GetType());
 135                 }
 136                 //test Parse(string s, IFormatProvider provider)
 137                 Assert(-42 == Int16.Parse(" -42 ", Nfi));
 138                 try {
 139                         Int16.Parse("%42", Nfi);
 140                         Fail("Should raise a System.FormatException");
 141                 }
 142                 catch (Exception e) {
 143                         Assert(typeof(FormatException) == e.GetType());
 144                 }
 145                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 146                 Assert(16 == Int16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 147                 try {
 148                         Int16.Parse("$42", NumberStyles.Integer, Nfi);
 149                         Fail("Should raise a System.FormatException");
 150                 }
 151                 catch (Exception e) {
 152                         Assert(typeof(FormatException) == e.GetType());
 153                 }
 154         }
 155
 156         public void TestToString()
 157         {
 158                 //test ToString()
 159                 Assert(String.Compare(MyString1, MyInt16_1.ToString()) == 0);
 160                 Assert(String.Compare(MyString2, MyInt16_2.ToString()) == 0);
 161                 Assert(String.Compare(MyString3, MyInt16_3.ToString()) == 0);
 162                 //test ToString(string format)
 163                 /*
 164                 TODO: These tests are culture sensitive.  Need to find a way to determine the culture
 165                         of the system to decide the correct expected result.
 166                 for (int i=0; i < Formats1.Length; i++) {
 167                         Assert(String.Compare(Results1[i], MyInt16_2.ToString(Formats1[i])) == 0);
 168                         Assert(String.Compare(Results2[i], MyInt16_3.ToString(Formats2[i])) == 0);
 169                 }
 170                 */
 171                 //test ToString(string format, IFormatProvider provider);
 172                 for (int i=0; i < Formats1.Length; i++) {
 173                         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);
 174                         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);
 175                 }
 176                 try {
 177                         MyInt16_1.ToString("z");
 178                         Fail("Should raise a System.FormatException");
 179                 }
 180                 catch (Exception e) {
 181                         Assert(typeof(FormatException) == e.GetType());
 182                 }
 183         }
 184 }
 185
 186 }