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

   1 // SByteTest.cs - NUnit Test Cases for the System.SByte struct
   2 //
   3 // Mario Martinez (mariom925@home.om)
   4 //
   5 // (C) Ximian, Inc.  http://www.ximian.com
   6 // Copyright (C) 2004 Novell (http://www.novell.com)
   7 //
   8
   9 using NUnit.Framework;
  10 using System;
  11 using System.Globalization;
  12
  13 namespace MonoTests.System
  14 {
  15
  16 [TestFixture]
  17 public class SByteTest
  18 {
  19         private const SByte MySByte1 = -42;
  20         private const SByte MySByte2 = -128;
  21         private const SByte MySByte3 = 127;
  22         private const string MyString1 = "-42";
  23         private const string MyString2 = "-128";
  24         private const string MyString3 = "127";
  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 = {"("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"128.00)",
  28                                         "-128", "-1.280000e+002", "-128.00",
  29                                         "-128", "-128.00", "-12,800.00 %", "80"};
  30         private string[] Results2 = {NumberFormatInfo.CurrentInfo.CurrencySymbol+"127.00000",
  31                                         "00127", "1.27000e+002", "127.00000",
  32                                         "127", "127.00000", "12,700.00000 %", "0007f"};
  33         private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"128.00)",
  34                                         "-128", "-1.280000e+002", "-128.00",
  35                                         "-128", "-128.00", "-12,800.00 %", "80"};
  36         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"127.00000",
  37                                         "00127", "1.27000e+002", "127.00000",
  38                                         "127", "127.00000", "12,700.00000 %", "0007f"};
  39         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  40
  41         [Test]
  42         public void TestMinMax()
  43         {
  44                 Assert.AreEqual(SByte.MinValue, MySByte2);
  45                 Assert.AreEqual(SByte.MaxValue, MySByte3);
  46         }
  47
  48         [Test]
  49         public void TestCompareTo()
  50         {
  51                 Assert.AreEqual(255, MySByte3.CompareTo(MySByte2), "#1");
  52                 Assert.AreEqual(0, MySByte2.CompareTo(MySByte2), "#2");
  53                 Assert.AreEqual(0, MySByte1.CompareTo((SByte)(-42)), "#3");
  54                 Assert.AreEqual(-255, MySByte2.CompareTo(MySByte3), "#4");
  55                 try {
  56                         MySByte2.CompareTo((object)(int)100);
  57                         Assert.Fail("Should raise a System.ArgumentException");
  58                 } catch (ArgumentException e) {
  59                 }
  60         }
  61
  62         [Test]
  63         public void TestEquals()
  64         {
  65                 Assert.IsTrue(MySByte1.Equals(MySByte1));
  66                 Assert.IsTrue(MySByte1.Equals((SByte)(-42)));
  67                 Assert.IsTrue(MySByte1.Equals((Int16)(-42)) == false);
  68                 Assert.IsTrue(MySByte1.Equals(MySByte2) == false);
  69         }
  70
  71         [Test]
  72         public void TestGetHashCode()
  73         {
  74                 try {
  75                         MySByte1.GetHashCode();
  76                         MySByte2.GetHashCode();
  77                         MySByte3.GetHashCode();
  78                 }
  79                 catch {
  80                         Assert.Fail("GetHashCode should not raise an exception here");
  81                 }
  82         }
  83
  84         [Test]
  85         public void TestParse()
  86         {
  87                 //test Parse(string s)
  88                 Assert.IsTrue(MySByte1 == SByte.Parse(MyString1));
  89                 Assert.IsTrue(MySByte2 == SByte.Parse(MyString2));
  90                 Assert.IsTrue(MySByte3 == SByte.Parse(MyString3));
  91                 try {
  92                         SByte.Parse(null);
  93                         Assert.Fail("Should raise a System.ArgumentNullException");
  94                 }
  95                 catch (Exception e) {
  96                         Assert.IsTrue(typeof(ArgumentNullException) == e.GetType());
  97                 }
  98                 try {
  99                         SByte.Parse("not-a-number");
 100                         Assert.Fail("Should raise a System.FormatException");
 101                 }
 102                 catch (Exception e) {
 103                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 104                 }
 105                 try {
 106                         int OverInt = SByte.MaxValue + 1;
 107                         SByte.Parse(OverInt.ToString());
 108                         Assert.Fail("Should raise a System.OverflowException");
 109                 }
 110                 catch (Exception e) {
 111                         Assert.IsTrue(typeof(OverflowException) == e.GetType());
 112                 }
 113                 //test Parse(string s, NumberStyles style)
 114                 Assert.AreEqual((sbyte)42, SByte.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency), "A1");
 115                 try {
 116                         SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer);
 117                         Assert.Fail("Should raise a System.FormatException");
 118                 }
 119                 catch (Exception e) {
 120                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 121                 }
 122                 //test Parse(string s, IFormatProvider provider)
 123                 Assert.IsTrue(-42 == SByte.Parse(" -42 ", Nfi));
 124                 try {
 125                         SByte.Parse("%42", Nfi);
 126                         Assert.Fail("Should raise a System.FormatException");
 127                 }
 128                 catch (Exception e) {
 129                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 130                 }
 131                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 132                 Assert.IsTrue(16 == SByte.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 133                 try {
 134                         SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer, Nfi);
 135                         Assert.Fail("Should raise a System.FormatException");
 136                 }
 137                 catch (Exception e) {
 138                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 139                 }
 140
 141                 try {
 142                         SByte.Parse ("1FF", NumberStyles.HexNumber);
 143                         Assert.Fail ("#1");
 144                 } catch (OverflowException) {
 145                 }
 146         }
 147
 148         [Test]
 149         public void Parse_MinMax ()
 150         {
 151                 Assert.AreEqual (SByte.MinValue, SByte.Parse ("-128"), "MinValue");
 152                 Assert.AreEqual (SByte.MaxValue, SByte.Parse ("127"), "MaxValue");
 153                 Assert.AreEqual (-1, SByte.Parse ("FF", NumberStyles.HexNumber), "MaxHex");
 154         }
 155
 156         [Test]
 157         public void TestToString()
 158         {
 159                 //test ToString()
 160                 Assert.IsTrue(String.Compare(MyString1, MySByte1.ToString()) == 0, "MyString1, MySByte1.ToString()");
 161                 Assert.IsTrue(String.Compare(MyString2, MySByte2.ToString()) == 0, "MyString2, MySByte2.ToString()");
 162                 Assert.IsTrue(String.Compare(MyString3, MySByte3.ToString()) == 0, "MyString3, MySByte3.ToString()");
 163                 //test ToString(string format)
 164                 /*
 165                 TODO: These tests depend on the culture of the system running the test.
 166                         So, this needs to be tested in a different way.
 167                 for (int i=0; i < Formats1.Length; i++) {
 168                         Assert.IsTrue("i="+i+", Results1[i]="+Results1[i]+", MySByte2.ToString(Formats1[i])="+MySByte2.ToString(Formats1[i]), String.Compare(Results1[i], MySByte2.ToString(Formats1[i])) == 0);
 169                         Assert.IsTrue(String.Compare(Results2[i], MySByte3.ToString(Formats2[i])) == 0, "Results2[i], MySByte3.ToString(Formats2[i])");
 170                 }
 171                 */
 172                 //test ToString(string format, IFormatProvider provider);
 173                 for (int i=0; i < Formats1.Length; i++) {
 174                         Assert.IsTrue(String.Compare(ResultsNfi1[i], MySByte2.ToString(Formats1[i], Nfi)) == 0, "i="+i+", ResultsNfi1[i]="+ResultsNfi1[i]+", MySByte2.ToString(Formats1[i]="+Formats1[i]+"): Expected "+ResultsNfi1[i]+" but got "+MySByte2.ToString(Formats1[i], Nfi));
 175                         Assert.IsTrue(String.Compare(ResultsNfi2[i], MySByte3.ToString(Formats2[i], Nfi)) == 0, "ResultsNfi2[i], MySByte3.ToString(Formats2[i], Nfi):"+ResultsNfi2[i]+"<==>"+MySByte3.ToString(Formats2[i], Nfi));
 176                 }
 177                 try {
 178                         MySByte1.ToString("z");
 179                         Assert.Fail("Should raise a System.FormatException");
 180                 }
 181                 catch (Exception e) {
 182                         Assert.IsTrue(typeof(FormatException) == e.GetType(), "typeof(FormatException) == e.GetType()");
 183                 }
 184         }
 185
 186         [Test]
 187         public void ToString_Defaults ()
 188         {
 189                 SByte i = 100;
 190                 // everything defaults to "G"
 191                 string def = i.ToString ("G");
 192                 Assert.AreEqual (def, i.ToString (), "ToString()");
 193                 Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
 194                 Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
 195                 Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
 196                 Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
 197                 Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
 198
 199                 Assert.AreEqual ("100", def, "ToString(G)");
 200         }
 201
 202         [Test]
 203         public void Bug3677 ()
 204         {
 205                 Assert.AreEqual (-29, sbyte.Parse("E3", NumberStyles.HexNumber), "HexNumber");
 206         }
 207 }
 208
 209 }