mcs/class/corlib/Test/System/UInt32Test.cs

   1 // UInt32Test.cs - NUnit Test Cases for the System.UInt32 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 UInt32Test : Assertion
  18 {
  19         private const UInt32 MyUInt32_1 = 42;
  20         private const UInt32 MyUInt32_2 = 0;
  21         private const UInt32 MyUInt32_3 = 4294967295;
  22         private const string MyString1 = "42";
  23         private const string MyString2 = "0";
  24         private const string MyString3 = "4294967295";
  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[] ResultsNfi1 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"0.00",
  31                                         "0", "0.000000e+000", "0.00",
  32                                         "0", "0.00", "0.00 %", "0"};
  33         private string[] Results2 = {"",
  34                                         "4294967295", "4.29497e+009", "4294967295.00000",
  35                                         "4.295e+09", "4,294,967,295.00000", "429,496,729,500.00000 %", "ffffffff"};
  36         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"4,294,967,295.00000",
  37                                         "4294967295", "4.29497e+009", "4294967295.00000",
  38                                         "4.295e+09", "4,294,967,295.00000", "429,496,729,500.00000 %", "ffffffff"};
  39         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  40
  41         private CultureInfo old_culture;
  42
  43         [TestFixtureSetUp]
  44         public void SetUp ()
  45         {
  46                 old_culture = Thread.CurrentThread.CurrentCulture;
  47
  48                 // Set culture to en-US and don't let the user override.
  49                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
  50
  51                 // We can't initialize this until we set the culture.
  52
  53                 string decimals = new String ('0', NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
  54                 string perPattern = new string[] {"n %","n%","%n"} [NumberFormatInfo.CurrentInfo.PercentPositivePattern];
  55
  56                 Results1 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "0.00";
  57                 Results1 [3] = "0." + decimals;
  58                 Results1 [5] = "0." + decimals;
  59                 Results1 [6] = perPattern.Replace ("n","0.00");
  60
  61                 Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "4,294,967,295.00000";
  62                 Results2 [6] = perPattern.Replace ("n","429,496,729,500.00000");
  63         }
  64
  65         [TestFixtureTearDown]
  66         public void TearDown ()
  67         {
  68                 Thread.CurrentThread.CurrentCulture = old_culture;
  69         }
  70
  71         public void TestMinMax()
  72         {
  73
  74                 AssertEquals(UInt32.MinValue, MyUInt32_2);
  75                 AssertEquals(UInt32.MaxValue, MyUInt32_3);
  76         }
  77
  78         public void TestCompareTo()
  79         {
  80                 Assert(MyUInt32_3.CompareTo(MyUInt32_2) > 0);
  81                 Assert(MyUInt32_2.CompareTo(MyUInt32_2) == 0);
  82                 Assert(MyUInt32_1.CompareTo((UInt32)(42)) == 0);
  83                 Assert(MyUInt32_2.CompareTo(MyUInt32_3) < 0);
  84                 Assert (1 == UInt32.Parse ("1"));
  85                 Assert (1 == UInt32.Parse (" 1"));
  86                 Assert (1 == UInt32.Parse ("     1"));
  87                 Assert (1 == UInt32.Parse ("1    "));
  88                 Assert (1 == UInt32.Parse ("+1"));
  89
  90                 try {
  91                         UInt32.Parse (" + 1 ");
  92                         Fail ("Should raise FormatException1");
  93                 } catch (Exception e){
  94                         Assert (typeof (FormatException) == e.GetType ());
  95                 }
  96
  97                 try {
  98                         UInt32.Parse (" + ");
  99                         Fail ("Should raise FormatException");
 100                 } catch (Exception e){
 101                         Assert (typeof (FormatException) == e.GetType ());
 102                 }
 103                 try {
 104                         MyUInt32_2.CompareTo((Int16)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(MyUInt32_1.Equals(MyUInt32_1));
 115                 Assert(MyUInt32_1.Equals((UInt32)(42)));
 116                 Assert(MyUInt32_1.Equals((SByte)(42)) == false);
 117                 Assert(MyUInt32_1.Equals(MyUInt32_2) == false);
 118         }
 119
 120         public void TestGetHashCode()
 121         {
 122                 try {
 123                         MyUInt32_1.GetHashCode();
 124                         MyUInt32_2.GetHashCode();
 125                         MyUInt32_3.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("Parse problem on \""+MyString1+"\"", MyUInt32_1 == UInt32.Parse(MyString1));
 136                 Assert("Parse problem on \""+MyString2+"\"", MyUInt32_2 == UInt32.Parse(MyString2));
 137                 Assert("Parse problem on \""+MyString3+"\"", MyUInt32_3 == UInt32.Parse(MyString3));
 138                 try {
 139                         UInt32.Parse(null);
 140                         Fail("Should raise a System.ArgumentNullException");
 141                 }
 142                 catch (Exception e) {
 143                         Assert("Did not get ArgumentNullException type", typeof(ArgumentNullException) == e.GetType());
 144                 }
 145                 try {
 146                         UInt32.Parse("not-a-number");
 147                         Fail("Should raise a System.FormatException");
 148                 }
 149                 catch (Exception e) {
 150                         Assert("Did not get FormatException type", typeof(FormatException) == e.GetType());
 151                 }
 152                 try {
 153                         // TODO: Use this after ToString() is completed. For now, hard code string that generates
 154                         // exception.
 155                         //double OverInt = (double)UInt32.MaxValue + 1;
 156                         //UInt32.Parse(OverInt.ToString());
 157                         UInt32.Parse("4294967296");
 158                         Fail("Should raise a System.OverflowException");
 159                 }
 160                 catch (Exception e) {
 161                         Assert("Did not get OverflowException type on '"+"4294967296"+"'. Instead, got: '"+e.GetType()+"'", typeof(OverflowException) == e.GetType());
 162                 }
 163                 //test Parse(string s, NumberStyles style)
 164                 Assert(42 == UInt32.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
 165                 try {
 166                         UInt32.Parse("$42", NumberStyles.Integer);
 167                         Fail("Should raise a System.FormatException");
 168                 }
 169                 catch (Exception e) {
 170                         Assert(typeof(FormatException) == e.GetType());
 171                 }
 172                 //test Parse(string s, IFormatProvider provider)
 173                 Assert(42 == UInt32.Parse(" 42 ", Nfi));
 174                 try {
 175                         UInt32.Parse("%42", Nfi);
 176                         Fail("Should raise a System.FormatException");
 177                 }
 178                 catch (Exception e) {
 179                         Assert(typeof(FormatException) == e.GetType());
 180                 }
 181                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 182                 Assert(16 == UInt32.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 183                 try {
 184                         UInt32.Parse("$42", NumberStyles.Integer, Nfi);
 185                         Fail("Should raise a System.FormatException");
 186                 }
 187                 catch (Exception e) {
 188                         Assert(typeof(FormatException) == e.GetType());
 189                 }
 190         }
 191
 192         public void TestToString()
 193         {
 194                 int TestNumber = 1;
 195                 try {
 196                         //test ToString()
 197                         AssertEquals(MyString1, MyUInt32_1.ToString());
 198                         TestNumber++;
 199                         AssertEquals(MyString2, MyUInt32_2.ToString());
 200                         TestNumber++;
 201                         AssertEquals(MyString3, MyUInt32_3.ToString());
 202                 } catch (Exception e) {
 203                         Fail("TestToString: Failed on TestNumber=" + TestNumber
 204                                 + " with exception: " + e.ToString());
 205                 }
 206
 207                 //test ToString(string format)
 208                 for (int i=0; i < Formats1.Length; i++) {
 209                         try {
 210                                 AssertEquals(Results1[i], MyUInt32_2.ToString(Formats1[i]));
 211                         } catch (Exception e) {
 212                                 Fail("TestToString: MyUInt32_2.ToString(Formats1[i]) i=" + i
 213                                         + ". e = " + e.ToString());
 214                         }
 215
 216                         try {
 217                                 AssertEquals(Results2[i], MyUInt32_3.ToString(Formats2[i]));
 218                         } catch (Exception e) {
 219                                 Fail("TestToString: MyUInt32_3.ToString(Formats2[i]) i=" + i
 220                                         + ". e = " + e.ToString());
 221                         }
 222                 }
 223                 //test ToString(string format, IFormatProvider provider);
 224                 for (int i=0; i < Formats1.Length; i++) {
 225                         AssertEquals(ResultsNfi1[i], MyUInt32_2.ToString(Formats1[i], Nfi));
 226                         AssertEquals(ResultsNfi2[i], MyUInt32_3.ToString(Formats2[i], Nfi));
 227                 }
 228                 try {
 229                         MyUInt32_1.ToString("z");
 230                         Fail("Should raise a System.FormatException");
 231                 }
 232                 catch (Exception e) {
 233                         Assert(typeof(FormatException) == e.GetType());
 234                 }
 235         }
 236
 237         [Test]
 238         public void ToString_Defaults ()
 239         {
 240                 UInt32 i = 254;
 241                 // everything defaults to "G"
 242                 string def = i.ToString ("G");
 243                 AssertEquals ("ToString()", def, i.ToString ());
 244                 AssertEquals ("ToString((IFormatProvider)null)", def, i.ToString ((IFormatProvider)null));
 245                 AssertEquals ("ToString((string)null)", def, i.ToString ((string)null));
 246                 AssertEquals ("ToString(empty)", def, i.ToString (String.Empty));
 247                 AssertEquals ("ToString(null,null)", def, i.ToString (null, null));
 248                 AssertEquals ("ToString(empty,null)", def, i.ToString (String.Empty, null));
 249
 250                 AssertEquals ("ToString(G)", "254", def);
 251         }
 252 }
 253
 254
 255 }