mcs/class/corlib/Test/System/UInt16Test.cs

   1 // UInt16Test.cs - NUnit Test Cases for the System.UInt16 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 [TestFixture]
  17 public class UInt16Test : Assertion
  18 {
  19         private const UInt16 MyUInt16_1 = 42;
  20         private const UInt16 MyUInt16_2 = 0;
  21         private const UInt16 MyUInt16_3 = 65535;
  22         private const string MyString1 = "42";
  23         private const string MyString2 = "0";
  24         private const string MyString3 = "65535";
  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 = {null,
  28                                      "0", "0.000000e+000", "0.00",
  29                                      "0", "0.00", "0.00 %", "0"};
  30         private string[] Results2 = {null,
  31                                      "65535", "6.55350e+004", "65535.00000",
  32                                      "65535", "65,535.00000", "6,553,500.00000 %", "0ffff"};
  33         private string[] ResultsNfi1 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"0.00",
  34                                         "0", "0.000000e+000", "0.00",
  35                                         "0", "0.00", "0.00 %", "0"};
  36         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"65,535.00000",
  37                                         "65535", "6.55350e+004", "65535.00000",
  38                                         "65535", "65,535.00000", "6,553,500.00000 %", "0ffff"};
  39
  40         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  41
  42         private CultureInfo old_culture;
  43
  44         [TestFixtureSetUp]
  45         public void SetUp ()
  46         {
  47                 old_culture = Thread.CurrentThread.CurrentCulture;
  48
  49                 // Set culture to en-US and don't let the user override.
  50                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
  51
  52                 string decimals = new String ('0', NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
  53                 string perPattern = new string[] {"n %","n%","%n"} [NumberFormatInfo.CurrentInfo.PercentPositivePattern];
  54
  55                 Results1 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "0.00";
  56                 Results1 [3] = "0." + decimals;
  57                 Results1 [5] = "0." + decimals;
  58                 Results1 [6] = perPattern.Replace ("n","0.00");
  59
  60                 Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "65,535.00000";
  61                 Results2 [6] = perPattern.Replace ("n","6,553,500.00000");
  62         }
  63
  64         [TestFixtureTearDown]
  65         public void TearDown ()
  66         {
  67                 Thread.CurrentThread.CurrentCulture = old_culture;
  68         }
  69
  70         public void TestMinMax()
  71         {
  72
  73                 AssertEquals(UInt16.MinValue, MyUInt16_2);
  74                 AssertEquals(UInt16.MaxValue, MyUInt16_3);
  75         }
  76
  77         public void TestCompareTo()
  78         {
  79                 Assert(MyUInt16_3.CompareTo(MyUInt16_2) > 0);
  80                 Assert(MyUInt16_2.CompareTo(MyUInt16_2) == 0);
  81                 Assert(MyUInt16_1.CompareTo((UInt16)(42)) == 0);
  82                 Assert(MyUInt16_2.CompareTo(MyUInt16_3) < 0);
  83                 try {
  84                         MyUInt16_2.CompareTo(100);
  85                         Fail("Should raise a System.ArgumentException");
  86                 }
  87                 catch (Exception e) {
  88                         Assert(typeof(ArgumentException) == e.GetType());
  89                 }
  90         }
  91
  92         public void TestEquals()
  93         {
  94                 Assert(MyUInt16_1.Equals(MyUInt16_1));
  95                 Assert(MyUInt16_1.Equals((UInt16)(42)));
  96                 Assert(MyUInt16_1.Equals((SByte)(42)) == false);
  97                 Assert(MyUInt16_1.Equals(MyUInt16_2) == false);
  98         }
  99
 100         public void TestGetHashCode()
 101         {
 102                 try {
 103                         MyUInt16_1.GetHashCode();
 104                         MyUInt16_2.GetHashCode();
 105                         MyUInt16_3.GetHashCode();
 106                 }
 107                 catch {
 108                         Fail("GetHashCode should not raise an exception here");
 109                 }
 110         }
 111
 112         public void TestParse()
 113         {
 114                 //test Parse(string s)
 115                 Assert(MyUInt16_1 == UInt16.Parse(MyString1));
 116                 Assert(MyUInt16_2 == UInt16.Parse(MyString2));
 117                 Assert(MyUInt16_3 == UInt16.Parse(MyString3));
 118                 try {
 119                         UInt16.Parse(null);
 120                         Fail("Should raise a System.ArgumentNullException");
 121                 }
 122                 catch (Exception e) {
 123                         Assert(typeof(ArgumentNullException) == e.GetType());
 124                 }
 125                 try {
 126                         UInt16.Parse("not-a-number");
 127                         Fail("Should raise a System.FormatException");
 128                 }
 129                 catch (Exception e) {
 130                         Assert(typeof(FormatException) == e.GetType());
 131                 }
 132                 try {
 133                         int OverInt = UInt16.MaxValue + 1;
 134                         UInt16.Parse(OverInt.ToString());
 135                         Fail("Should raise a System.OverflowException");
 136                 }
 137                 catch (Exception e) {
 138                         Assert(typeof(OverflowException) == e.GetType());
 139                 }
 140                 //test Parse(string s, NumberStyles style)
 141                 Assert(42 == UInt16.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
 142                 try {
 143                         UInt16.Parse("$42", NumberStyles.Integer);
 144                         Fail("Should raise a System.FormatException");
 145                 }
 146                 catch (Exception e) {
 147                         Assert(typeof(FormatException) == e.GetType());
 148                 }
 149                 //test Parse(string s, IFormatProvider provider)
 150                 Assert(42 == UInt16.Parse(" 42 ", Nfi));
 151                 try {
 152                         UInt16.Parse("%42", Nfi);
 153                         Fail("Should raise a System.FormatException");
 154                 }
 155                 catch (Exception e) {
 156                         Assert(typeof(FormatException) == e.GetType());
 157                 }
 158                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 159                 Assert(16 == UInt16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 160                 try {
 161                         UInt16.Parse("$42", NumberStyles.Integer, Nfi);
 162                         Fail("Should raise a System.FormatException");
 163                 }
 164                 catch (Exception e) {
 165                         Assert(typeof(FormatException) == e.GetType());
 166                 }
 167         }
 168
 169         public void TestToString()
 170         {
 171                 //test ToString()
 172                 AssertEquals("A1", MyString1, MyUInt16_1.ToString());
 173                 AssertEquals("A2", MyString2, MyUInt16_2.ToString());
 174                 AssertEquals("A3", MyString3, MyUInt16_3.ToString());
 175                 //test ToString(string format)
 176                 for (int i=0; i < Formats1.Length; i++) {
 177                         Console.WriteLine ("d:" + NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
 178                         AssertEquals("A4:"+i.ToString(), Results1[i], MyUInt16_2.ToString(Formats1[i]));
 179                         AssertEquals("A5:"+i.ToString(), Results2[i], MyUInt16_3.ToString(Formats2[i]));
 180                 }
 181                 //test ToString(string format, IFormatProvider provider);
 182                 for (int i=0; i < Formats1.Length; i++) {
 183                         AssertEquals("A6:"+i.ToString(), ResultsNfi1[i], MyUInt16_2.ToString(Formats1[i], Nfi));
 184                         AssertEquals("A7:"+i.ToString(), ResultsNfi2[i], MyUInt16_3.ToString(Formats2[i], Nfi));
 185                 }
 186                 try {
 187                         MyUInt16_1.ToString("z");
 188                         Fail("Should raise a System.FormatException");
 189                 }
 190                 catch (Exception e) {
 191                         Assert("A8", typeof(FormatException) == e.GetType());
 192                 }
 193         }
 194
 195         [Test]
 196         public void ToString_Defaults ()
 197         {
 198                 UInt16 i = 254;
 199                 // everything defaults to "G"
 200                 string def = i.ToString ("G");
 201                 AssertEquals ("ToString()", def, i.ToString ());
 202                 AssertEquals ("ToString((IFormatProvider)null)", def, i.ToString ((IFormatProvider)null));
 203                 AssertEquals ("ToString((string)null)", def, i.ToString ((string)null));
 204                 AssertEquals ("ToString(empty)", def, i.ToString (String.Empty));
 205                 AssertEquals ("ToString(null,null)", def, i.ToString (null, null));
 206                 AssertEquals ("ToString(empty,null)", def, i.ToString (String.Empty, null));
 207
 208                 AssertEquals ("ToString(G)", "254", def);
 209         }
 210 }
 211
 212 }