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

   1 // ByteTest.cs - NUnit Test Cases for the System.Byte 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 using System.Threading;
  12
  13 namespace MonoTests.System
  14 {
  15
  16 [TestFixture]
  17 public class ByteTest : Assertion
  18 {
  19         private const Byte MyByte1 = 42;
  20         private const Byte MyByte2 = 0;
  21         private const Byte MyByte3 = 255;
  22         private const string MyString1 = "42";
  23         private const string MyString2 = "0";
  24         private const string MyString3 = "255";
  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 = {   "",
  28                                         "0", "0.000000e+000", "0.00",
  29                                         "0", "0.00", "0.00 %", "0"};
  30         private string[] Results1_Nfi = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"0.00",
  31                                         "0", "0.000000e+000", "0.00",
  32                                         "0", "0.00", "0.00 %", "0"};
  33         private string[] Results2 = {   "",
  34                                         "00255", "2.55000e+002", "255.00000",
  35                                         "255", "255.00000", "25,500.00000 %", "000ff"};
  36         private string[] Results2_Nfi = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"255.00000",
  37                                         "00255", "2.55000e+002", "255.00000",
  38                                         "255", "255.00000", "25,500.00000 %", "000ff"};
  39
  40         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  41
  42         public ByteTest() {}
  43
  44         [SetUp]
  45         public void SetUp()
  46         {
  47                 CultureInfo EnUs = new CultureInfo ("en-us", false);
  48                 EnUs.NumberFormat.NumberDecimalDigits = 2;
  49                 Thread.CurrentThread.CurrentCulture = EnUs;
  50
  51                 int cdd = NumberFormatInfo.CurrentInfo.CurrencyDecimalDigits;
  52                 string sep = NumberFormatInfo.CurrentInfo.CurrencyDecimalSeparator;
  53                 string csym = NumberFormatInfo.CurrentInfo.CurrencySymbol;
  54                 string csuffix = (cdd > 0 ? sep : "").PadRight(cdd + (cdd > 0 ? 1 : 0), '0');
  55                 switch (NumberFormatInfo.CurrentInfo.CurrencyPositivePattern) {
  56                         case 0: // $n
  57                                 Results1[0] = csym + "0" + csuffix;
  58                                 Results2[0] = csym + "255" + sep + "00000";
  59                                 break;
  60                         case 1: // n$
  61                                 Results1[0] = "0" + csuffix + csym;
  62                                 Results2[0] = "255" + sep + "00000" + csym;
  63                                 break;
  64                         case 2: // $ n
  65                                 Results1[0] = csym + " 0" + csuffix;
  66                                 Results2[0] = csym + " 255" + sep + "00000";
  67                                 break;
  68                         case 3: // n $
  69                                 Results1[0] = "0" + csuffix + " " + csym;
  70                                 Results2[0] = "255" + sep + "00000 " + csym;
  71                                 break;
  72                 }
  73
  74                 sep = NumberFormatInfo.CurrentInfo.NumberDecimalSeparator;
  75                 string decimals = new String ('0', NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
  76                 string perPattern = new string[] {"n %","n%","%n"} [NumberFormatInfo.CurrentInfo.PercentPositivePattern];
  77
  78                 Results1[2] = "0" + sep + "000000e+000";
  79                 Results1[3] = "0" + sep + decimals;
  80                 Results1[5] = "0" + sep + decimals;
  81                 Results1[6] = perPattern.Replace ("n","0" + sep + "00");
  82
  83                 Results2[2] = "2" + sep + "55000e+002";
  84                 Results2[3] = "255" + sep + "00000";
  85                 Results2[3] = "255" + sep + "00000";
  86                 Results2[5] = "255" + sep + "00000";
  87                 string gsep = NumberFormatInfo.CurrentInfo.NumberGroupSeparator;
  88                 Results2[6] = perPattern.Replace ("n","25" + gsep + "500" + sep + "00000");
  89         }
  90
  91         public void TestMinMax()
  92         {
  93                 AssertEquals(Byte.MinValue, MyByte2);
  94                 AssertEquals(Byte.MaxValue, MyByte3);
  95         }
  96
  97         public void TestCompareTo()
  98         {
  99                 Assert(MyByte3.CompareTo(MyByte2) > 0);
 100                 Assert(MyByte2.CompareTo(MyByte2) == 0);
 101                 Assert(MyByte1.CompareTo((Byte)42) == 0);
 102                 Assert(MyByte2.CompareTo(MyByte3) < 0);
 103                 try {
 104                         MyByte2.CompareTo(100);
 105                         Fail("Should raise a System.ArgumentException");
 106                 }
 107                 catch (Exception e) {
 108                         Assert(typeof(ArgumentException) == e.GetType());
 109                 }
 110         }
 111
 112         public void TestEquals()
 113         {
 114                 Assert(MyByte1.Equals(MyByte1));
 115                 Assert(MyByte1.Equals((Byte)42));
 116                 Assert(MyByte1.Equals((Int16)42) == false);
 117                 Assert(MyByte1.Equals(MyByte2) == false);
 118         }
 119
 120         public void TestGetHashCode()
 121         {
 122                 try {
 123                         MyByte1.GetHashCode();
 124                         MyByte2.GetHashCode();
 125                         MyByte3.GetHashCode();
 126                 }
 127                 catch {
 128                         Fail("GetHashCode should not raise an exception here");
 129                 }
 130         }
 131
 132         public void TestParse()
 133         {
 134                 //test Parse(string s)
 135                 Assert("MyByte1="+MyByte1+", MyString1="+MyString1+", Parse="+Byte.Parse(MyString1) , MyByte1 == Byte.Parse(MyString1));
 136                 Assert("MyByte2", MyByte2 == Byte.Parse(MyString2));
 137                 Assert("MyByte3", MyByte3 == Byte.Parse(MyString3));
 138
 139                 try {
 140                         Byte.Parse(null);
 141                         Fail("Should raise a System.ArgumentNullException");
 142                 }
 143                 catch (Exception e) {
 144                         Assert("Should get ArgumentNullException", typeof(ArgumentNullException) == e.GetType());
 145                 }
 146                 try {
 147                         Byte.Parse("not-a-number");
 148                         Fail("Should raise a System.FormatException");
 149                 }
 150                 catch (Exception e) {
 151                         Assert("not-a-number", typeof(FormatException) == e.GetType());
 152                 }
 153
 154                 //test Parse(string s, NumberStyles style)
 155                 AssertEquals(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ",
 156                                 (byte)42, Byte.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ",
 157                                                 NumberStyles.Currency));
 158                 try {
 159                         Byte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer);
 160                         Fail("Should raise a System.FormatException");
 161                 }
 162                 catch (Exception e) {
 163                         Assert(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 and NumberStyles.Integer", typeof(FormatException) == e.GetType());
 164                 }
 165                 //test Parse(string s, IFormatProvider provider)
 166                 Assert(" 42 and Nfi", 42 == Byte.Parse(" 42 ", Nfi));
 167                 try {
 168                         Byte.Parse("%42", Nfi);
 169                         Fail("Should raise a System.FormatException");
 170                 }
 171                 catch (Exception e) {
 172                         Assert("%42 and Nfi", typeof(FormatException) == e.GetType());
 173                 }
 174                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 175                 Assert("NumberStyles.HexNumber", 16 == Byte.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 176                 try {
 177                         Byte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer, Nfi);
 178                         Fail("Should raise a System.FormatException");
 179                 }
 180                 catch (Exception e) {
 181                         Assert(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42, NumberStyles.Integer, Nfi", typeof(FormatException) == e.GetType());
 182                 }
 183         }
 184
 185         [Test]
 186         [ExpectedException (typeof(OverflowException))]
 187         public void ParseOverflow()
 188         {
 189                 int OverInt = Byte.MaxValue + 1;
 190                 Byte.Parse(OverInt.ToString());
 191         }
 192
 193
 194         public void TestToString()
 195         {
 196                 //test ToString()
 197                 AssertEquals("Compare failed for MyString1 and MyByte1", MyString1, MyByte1.ToString());
 198                 AssertEquals("Compare failed for MyString2 and MyByte2", MyString2, MyByte2.ToString());
 199                 AssertEquals("Compare failed for MyString3 and MyByte3", MyString3, MyByte3.ToString());
 200                 //test ToString(string format)
 201                 for (int i=0; i < Formats1.Length; i++) {
 202                         AssertEquals("Compare failed for Formats1["+i.ToString()+"]", Results1[i], MyByte2.ToString(Formats1[i]));
 203                         AssertEquals("Compare failed for Formats2["+i.ToString()+"]", Results2[i], MyByte3.ToString(Formats2[i]));
 204                 }
 205                 //test ToString(string format, IFormatProvider provider);
 206                 for (int i=0; i < Formats1.Length; i++) {
 207                         AssertEquals("Compare failed for Formats1["+i.ToString()+"] with Nfi", Results1_Nfi[i], MyByte2.ToString(Formats1[i], Nfi));
 208                         AssertEquals("Compare failed for Formats2["+i.ToString()+"] with Nfi", Results2_Nfi[i], MyByte3.ToString(Formats2[i], Nfi));
 209                 }
 210                 try {
 211                         MyByte1.ToString("z");
 212                         Fail("Should raise a System.FormatException");
 213                 }
 214                 catch (Exception e) {
 215                         AssertEquals("Exception is the wrong type", typeof(FormatException), e.GetType());
 216                 }
 217
 218         }
 219
 220         [Test]
 221         public void ToString_Defaults ()
 222         {
 223                 byte i = 254;
 224                 // everything defaults to "G"
 225                 string def = i.ToString ("G");
 226                 AssertEquals ("ToString()", def, i.ToString ());
 227                 AssertEquals ("ToString((IFormatProvider)null)", def, i.ToString ((IFormatProvider)null));
 228                 AssertEquals ("ToString((string)null)", def, i.ToString ((string)null));
 229                 AssertEquals ("ToString(empty)", def, i.ToString (String.Empty));
 230                 AssertEquals ("ToString(null,null)", def, i.ToString (null, null));
 231                 AssertEquals ("ToString(empty,null)", def, i.ToString (String.Empty, null));
 232
 233                 AssertEquals ("ToString(G)", "254", def);
 234         }
 235 }
 236
 237 }