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.Globalization;
  11
  12 public class Int16Test : TestCase
  13 {
  14         private const Int16 MyInt16_1 = -42;
  15         private const Int16 MyInt16_2 = -32768;
  16         private const Int16 MyInt16_3 = 32767;
  17         private const string MyString1 = "-42";
  18         private const string MyString2 = "-32768";
  19         private const string MyString3 = "32767";
  20         private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
  21         private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
  22         private string[] Results1 = {"($32,768.00)", "-32768", "-3.276800e+004", "-32768.00",
  23                                           "-32768", "-32,768.00", "-3,276,800.00 %", "8000"};
  24         private string[] Results2 = {"$32,767.00000", "32767", "3.27670e+004", "32767.00000",
  25                                           "32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
  26         private string[] ResultsNfi1 = {"($32,768.00)", "-32768", "-3.276800e+004", "-32768.00",
  27                                           "-32768", "(32,768.00)", "-3,276,800.00 %", "8000"};
  28         private string[] ResultsNfi2 = {"$32,767.00000", "32767", "3.27670e+004", "32767.00000",
  29                                           "32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
  30         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  31
  32         public Int16Test(string name) : base(name) {}
  33
  34         protected override void SetUp()
  35         {
  36         }
  37
  38         public static ITest Suite {
  39                 get {
  40                         return new TestSuite(typeof(Int16Test));
  41                 }
  42         }
  43
  44         public void TestMinMax()
  45         {
  46
  47                 AssertEquals(Int16.MinValue, MyInt16_2);
  48                 AssertEquals(Int16.MaxValue, MyInt16_3);
  49         }
  50
  51         public void TestCompareTo()
  52         {
  53                 Assert(MyInt16_3.CompareTo(MyInt16_2) > 0);
  54                 Assert(MyInt16_2.CompareTo(MyInt16_2) == 0);
  55                 Assert(MyInt16_1.CompareTo((Int16)(-42)) == 0);
  56                 Assert(MyInt16_2.CompareTo(MyInt16_3) < 0);
  57                 try {
  58                         MyInt16_2.CompareTo(100);
  59                         Fail("Should raise a System.ArgumentException");
  60                 }
  61                 catch (Exception e) {
  62                         Assert(typeof(System.ArgumentException) == e.GetType());
  63                 }
  64         }
  65
  66         public void TestEquals()
  67         {
  68                 Assert(MyInt16_1.Equals(MyInt16_1));
  69                 Assert(MyInt16_1.Equals((Int16)(-42)));
  70                 Assert(MyInt16_1.Equals((SByte)(-42)) == false);
  71                 Assert(MyInt16_1.Equals(MyInt16_2) == false);
  72         }
  73
  74         public void TestGetHashCode()
  75         {
  76                 try {
  77                         MyInt16_1.GetHashCode();
  78                         MyInt16_2.GetHashCode();
  79                         MyInt16_3.GetHashCode();
  80                 }
  81                 catch {
  82                         Fail("GetHashCode should not raise an exception here");
  83                 }
  84         }
  85
  86         public void TestParse()
  87         {
  88                 //test Parse(string s)
  89                 Assert(MyInt16_1 == Int16.Parse(MyString1));
  90                 Assert(MyInt16_2 == Int16.Parse(MyString2));
  91                 Assert(MyInt16_3 == Int16.Parse(MyString3));
  92                 try {
  93                         Int16.Parse(null);
  94                         Fail("Should raise a System.ArgumentNullException");
  95                 }
  96                 catch (Exception e) {
  97                         Assert(typeof(System.ArgumentNullException) == e.GetType());
  98                 }
  99                 try {
 100                         Int16.Parse("not-a-number");
 101                         Fail("Should raise a System.FormatException");
 102                 }
 103                 catch (Exception e) {
 104                         Assert(typeof(System.FormatException) == e.GetType());
 105                 }
 106                 try {
 107                         int OverInt = Int16.MaxValue + 1;
 108                         Int16.Parse(OverInt.ToString());
 109                         Fail("Should raise a System.OverflowException");
 110                 }
 111                 catch (Exception e) {
 112                         Assert(typeof(System.OverflowException) == e.GetType());
 113                 }
 114                 //test Parse(string s, NumberStyles style)
 115                 Assert(42 == Int16.Parse(" $42 ", NumberStyles.Currency));
 116                 try {
 117                         Int16.Parse("$42", NumberStyles.Integer);
 118                         Fail("Should raise a System.FormatException");
 119                 }
 120                 catch (Exception e) {
 121                         Assert(typeof(System.FormatException) == e.GetType());
 122                 }
 123                 //test Parse(string s, IFormatProvider provider)
 124                 Assert(-42 == Int16.Parse(" -42 ", Nfi));
 125                 try {
 126                         Int16.Parse("%42", Nfi);
 127                         Fail("Should raise a System.FormatException");
 128                 }
 129                 catch (Exception e) {
 130                         Assert(typeof(System.FormatException) == e.GetType());
 131                 }
 132                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 133                 Assert(16 == Int16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 134                 try {
 135                         Int16.Parse("$42", NumberStyles.Integer, Nfi);
 136                         Fail("Should raise a System.FormatException");
 137                 }
 138                 catch (Exception e) {
 139                         Assert(typeof(System.FormatException) == e.GetType());
 140                 }
 141         }
 142
 143         public void TestToString()
 144         {
 145                 //test ToString()
 146                 Assert(String.Compare(MyString1, MyInt16_1.ToString()) == 0);
 147                 Assert(String.Compare(MyString2, MyInt16_2.ToString()) == 0);
 148                 Assert(String.Compare(MyString3, MyInt16_3.ToString()) == 0);
 149                 //test ToString(string format)
 150                 for (int i=0; i < Formats1.Length; i++) {
 151                         Assert(String.Compare(Results1[i], MyInt16_2.ToString(Formats1[i])) == 0);
 152                         Assert(String.Compare(Results2[i], MyInt16_3.ToString(Formats2[i])) == 0);
 153                 }
 154                 //test ToString(string format, IFormatProvider provider);
 155                 for (int i=0; i < Formats1.Length; i++) {
 156                         Assert(String.Compare(ResultsNfi1[i], MyInt16_2.ToString(Formats1[i], Nfi)) == 0);
 157                         Assert(String.Compare(ResultsNfi2[i], MyInt16_3.ToString(Formats2[i], Nfi)) == 0);
 158                 }
 159                 try {
 160                         MyInt16_1.ToString("z");
 161                         Fail("Should raise a System.FormatException");
 162                 }
 163                 catch (Exception e) {
 164                         Assert(typeof(System.FormatException) == e.GetType());
 165                 }
 166         }
 167 }
 168