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 namespace MonoTests.System
  13 {
  14
  15 public class Int16Test : TestCase
  16 {
  17         private const Int16 MyInt16_1 = -42;
  18         private const Int16 MyInt16_2 = -32768;
  19         private const Int16 MyInt16_3 = 32767;
  20         private const string MyString1 = "-42";
  21         private const string MyString2 = "-32768";
  22         private const string MyString3 = "32767";
  23         private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
  24         private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
  25         private string[] Results1 = {"($32,768.00)", "-32768", "-3.276800e+004", "-32768.00",
  26                                           "-32768", "-32,768.00", "-3,276,800.00 %", "8000"};
  27         private string[] Results2 = {"$32,767.00000", "32767", "3.27670e+004", "32767.00000",
  28                                           "32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
  29         private string[] ResultsNfi1 = {"($32,768.00)", "-32768", "-3.276800e+004", "-32768.00",
  30                                           "-32768", "(32,768.00)", "-3,276,800.00 %", "8000"};
  31         private string[] ResultsNfi2 = {"$32,767.00000", "32767", "3.27670e+004", "32767.00000",
  32                                           "32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
  33         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  34
  35         public Int16Test(string name) : base(name) {}
  36
  37         protected override void SetUp()
  38         {
  39         }
  40
  41         public static ITest Suite {
  42                 get {
  43                         return new TestSuite(typeof(Int16Test));
  44                 }
  45         }
  46
  47         public void TestMinMax()
  48         {
  49
  50                 AssertEquals(Int16.MinValue, MyInt16_2);
  51                 AssertEquals(Int16.MaxValue, MyInt16_3);
  52         }
  53
  54         public void TestCompareTo()
  55         {
  56                 Assert(MyInt16_3.CompareTo(MyInt16_2) > 0);
  57                 Assert(MyInt16_2.CompareTo(MyInt16_2) == 0);
  58                 Assert(MyInt16_1.CompareTo((Int16)(-42)) == 0);
  59                 Assert(MyInt16_2.CompareTo(MyInt16_3) < 0);
  60                 try {
  61                         MyInt16_2.CompareTo(100);
  62                         Fail("Should raise a System.ArgumentException");
  63                 }
  64                 catch (Exception e) {
  65                         Assert(typeof(ArgumentException) == e.GetType());
  66                 }
  67         }
  68
  69         public void TestEquals()
  70         {
  71                 Assert(MyInt16_1.Equals(MyInt16_1));
  72                 Assert(MyInt16_1.Equals((Int16)(-42)));
  73                 Assert(MyInt16_1.Equals((SByte)(-42)) == false);
  74                 Assert(MyInt16_1.Equals(MyInt16_2) == false);
  75         }
  76
  77         public void TestGetHashCode()
  78         {
  79                 try {
  80                         MyInt16_1.GetHashCode();
  81                         MyInt16_2.GetHashCode();
  82                         MyInt16_3.GetHashCode();
  83                 }
  84                 catch {
  85                         Fail("GetHashCode should not raise an exception here");
  86                 }
  87         }
  88
  89         public void TestParse()
  90         {
  91                 //test Parse(string s)
  92                 Assert(MyInt16_1 == Int16.Parse(MyString1));
  93                 Assert(MyInt16_2 == Int16.Parse(MyString2));
  94                 Assert(MyInt16_3 == Int16.Parse(MyString3));
  95                 try {
  96                         Int16.Parse(null);
  97                         Fail("Should raise a System.ArgumentNullException");
  98                 }
  99                 catch (Exception e) {
 100                         Assert(typeof(ArgumentNullException) == e.GetType());
 101                 }
 102                 try {
 103                         Int16.Parse("not-a-number");
 104                         Fail("Should raise a System.FormatException");
 105                 }
 106                 catch (Exception e) {
 107                         Assert(typeof(FormatException) == e.GetType());
 108                 }
 109                 try {
 110                         int OverInt = Int16.MaxValue + 1;
 111                         Int16.Parse(OverInt.ToString());
 112                         Fail("Should raise a System.OverflowException");
 113                 }
 114                 catch (Exception e) {
 115                         Assert(typeof(OverflowException) == e.GetType());
 116                 }
 117                 //test Parse(string s, NumberStyles style)
 118                 Assert(42 == Int16.Parse(" $42 ", NumberStyles.Currency));
 119                 try {
 120                         Int16.Parse("$42", NumberStyles.Integer);
 121                         Fail("Should raise a System.FormatException");
 122                 }
 123                 catch (Exception e) {
 124                         Assert(typeof(FormatException) == e.GetType());
 125                 }
 126                 //test Parse(string s, IFormatProvider provider)
 127                 Assert(-42 == Int16.Parse(" -42 ", Nfi));
 128                 try {
 129                         Int16.Parse("%42", Nfi);
 130                         Fail("Should raise a System.FormatException");
 131                 }
 132                 catch (Exception e) {
 133                         Assert(typeof(FormatException) == e.GetType());
 134                 }
 135                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 136                 Assert(16 == Int16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 137                 try {
 138                         Int16.Parse("$42", NumberStyles.Integer, Nfi);
 139                         Fail("Should raise a System.FormatException");
 140                 }
 141                 catch (Exception e) {
 142                         Assert(typeof(FormatException) == e.GetType());
 143                 }
 144         }
 145
 146         public void TestToString()
 147         {
 148                 //test ToString()
 149                 Assert(String.Compare(MyString1, MyInt16_1.ToString()) == 0);
 150                 Assert(String.Compare(MyString2, MyInt16_2.ToString()) == 0);
 151                 Assert(String.Compare(MyString3, MyInt16_3.ToString()) == 0);
 152                 //test ToString(string format)
 153                 for (int i=0; i < Formats1.Length; i++) {
 154                         Assert(String.Compare(Results1[i], MyInt16_2.ToString(Formats1[i])) == 0);
 155                         Assert(String.Compare(Results2[i], MyInt16_3.ToString(Formats2[i])) == 0);
 156                 }
 157                 //test ToString(string format, IFormatProvider provider);
 158                 for (int i=0; i < Formats1.Length; i++) {
 159                         Assert(String.Compare(ResultsNfi1[i], MyInt16_2.ToString(Formats1[i], Nfi)) == 0);
 160                         Assert(String.Compare(ResultsNfi2[i], MyInt16_3.ToString(Formats2[i], Nfi)) == 0);
 161                 }
 162                 try {
 163                         MyInt16_1.ToString("z");
 164                         Fail("Should raise a System.FormatException");
 165                 }
 166                 catch (Exception e) {
 167                         Assert(typeof(FormatException) == e.GetType());
 168                 }
 169         }
 170 }
 171
 172 }