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
  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         [SetUp]
  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         [TearDown]
  66         public void TearDown ()
  67         {
  68                 Thread.CurrentThread.CurrentCulture = old_culture;
  69         }
  70
  71         [Test]
  72         public void TestMinMax()
  73         {
  74
  75                 Assert.AreEqual(UInt32.MinValue, MyUInt32_2);
  76                 Assert.AreEqual(UInt32.MaxValue, MyUInt32_3);
  77         }
  78
  79         [Test]
  80         public void TestCompareTo()
  81         {
  82                 Assert.IsTrue(MyUInt32_3.CompareTo(MyUInt32_2) > 0);
  83                 Assert.IsTrue(MyUInt32_2.CompareTo(MyUInt32_2) == 0);
  84                 Assert.IsTrue(MyUInt32_1.CompareTo((UInt32)(42)) == 0);
  85                 Assert.IsTrue(MyUInt32_2.CompareTo(MyUInt32_3) < 0);
  86                 Assert.IsTrue (1 == UInt32.Parse ("1"));
  87                 Assert.IsTrue (1 == UInt32.Parse (" 1"));
  88                 Assert.IsTrue (1 == UInt32.Parse ("     1"));
  89                 Assert.IsTrue (1 == UInt32.Parse ("1    "));
  90                 Assert.IsTrue (1 == UInt32.Parse ("+1"));
  91
  92                 try {
  93                         UInt32.Parse (" + 1 ");
  94                         Assert.Fail ("Should raise FormatException1");
  95                 } catch (Exception e){
  96                         Assert.IsTrue (typeof (FormatException) == e.GetType ());
  97                 }
  98
  99                 try {
 100                         UInt32.Parse (" + ");
 101                         Assert.Fail ("Should raise FormatException");
 102                 } catch (Exception e){
 103                         Assert.IsTrue (typeof (FormatException) == e.GetType ());
 104                 }
 105                 try {
 106                         MyUInt32_2.CompareTo((object)(Int16)100);
 107                         Assert.Fail("Should raise a System.ArgumentException");
 108                 }
 109                 catch (Exception e) {
 110                         Assert.IsTrue(typeof(ArgumentException) == e.GetType());
 111                 }
 112         }
 113
 114         [Test]
 115         public void TestEquals()
 116         {
 117                 Assert.IsTrue(MyUInt32_1.Equals(MyUInt32_1));
 118                 Assert.IsTrue(MyUInt32_1.Equals((object)(UInt32)(42)));
 119                 Assert.IsTrue(MyUInt32_1.Equals((object)(SByte)(42)) == false);
 120                 Assert.IsTrue(MyUInt32_1.Equals(MyUInt32_2) == false);
 121         }
 122
 123         [Test]
 124         public void TestGetHashCode()
 125         {
 126                 try {
 127                         MyUInt32_1.GetHashCode();
 128                         MyUInt32_2.GetHashCode();
 129                         MyUInt32_3.GetHashCode();
 130                 }
 131                 catch {
 132                         Assert.Fail("GetHashCode should not raise an exception here");
 133                 }
 134         }
 135
 136         [Test]
 137         public void TestParse()
 138         {
 139                 //test Parse(string s)
 140                 Assert.IsTrue(MyUInt32_1 == UInt32.Parse(MyString1), "Parse problem on \""+MyString1+"\"");
 141                 Assert.IsTrue(MyUInt32_2 == UInt32.Parse(MyString2), "Parse problem on \""+MyString2+"\"");
 142                 Assert.IsTrue(MyUInt32_3 == UInt32.Parse(MyString3), "Parse problem on \""+MyString3+"\"");
 143                 try {
 144                         UInt32.Parse(null);
 145                         Assert.Fail("Should raise a System.ArgumentNullException");
 146                 }
 147                 catch (Exception e) {
 148                         Assert.IsTrue(typeof(ArgumentNullException) == e.GetType(), "Did not get ArgumentNullException type");
 149                 }
 150                 try {
 151                         UInt32.Parse("not-a-number");
 152                         Assert.Fail("Should raise a System.FormatException");
 153                 }
 154                 catch (Exception e) {
 155                         Assert.IsTrue(typeof(FormatException) == e.GetType(), "Did not get FormatException type");
 156                 }
 157                 try {
 158                         // TODO: Use this after ToString() is completed. For now, hard code string that generates
 159                         // exception.
 160                         //double OverInt = (double)UInt32.MaxValue + 1;
 161                         //UInt32.Parse(OverInt.ToString());
 162                         UInt32.Parse("4294967296");
 163                         Assert.Fail("Should raise a System.OverflowException");
 164                 }
 165                 catch (Exception e) {
 166                         Assert.IsTrue(typeof(OverflowException) == e.GetType(), "Did not get OverflowException type on '"+"4294967296"+"'. Instead, got: '"+e.GetType()+"'");
 167                 }
 168                 //test Parse(string s, NumberStyles style)
 169                 Assert.IsTrue(42 == UInt32.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
 170                 try {
 171                         UInt32.Parse("$42", NumberStyles.Integer);
 172                         Assert.Fail("Should raise a System.FormatException");
 173                 }
 174                 catch (Exception e) {
 175                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 176                 }
 177                 //test Parse(string s, IFormatProvider provider)
 178                 Assert.IsTrue(42 == UInt32.Parse(" 42 ", Nfi));
 179                 try {
 180                         UInt32.Parse("%42", Nfi);
 181                         Assert.Fail("Should raise a System.FormatException");
 182                 }
 183                 catch (Exception e) {
 184                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 185                 }
 186                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 187                 Assert.IsTrue(16 == UInt32.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 188                 try {
 189                         UInt32.Parse("$42", NumberStyles.Integer, Nfi);
 190                         Assert.Fail("Should raise a System.FormatException");
 191                 } catch (FormatException e) {
 192                 }
 193
 194                 try {
 195                         UInt32.Parse ("５", NumberStyles.Any, CultureInfo.InvariantCulture);
 196                         Assert.Fail ("C#42");
 197                 } catch (FormatException) {
 198                 }
 199
 200                 // Pass a DateTimeFormatInfo, it is unable to format
 201                 // numbers, but we should not crash
 202                 UInt32.Parse ("123", new DateTimeFormatInfo ());
 203
 204                 Assert.AreEqual (734561, UInt32.Parse ("734561\0"), "C#43");
 205                 try {
 206                         UInt32.Parse ("734561\0\0\0    \0");
 207                         Assert.Fail ("C#44");
 208                 } catch (FormatException) {}
 209
 210                 try {
 211                         UInt32.Parse ("734561\0\0\0    ");
 212                         Assert.Fail ("C#45");
 213                 } catch (FormatException) {}
 214
 215                 Assert.AreEqual (734561, UInt32.Parse ("734561\0\0\0"), "C#46");
 216
 217                 Assert.AreEqual (0, UInt32.Parse ("0+", NumberStyles.Any), "#50");
 218         }
 219
 220         [Test]
 221         public void TestParseExponent ()
 222         {
 223                 Assert.AreEqual (2, uint.Parse ("2E0", NumberStyles.AllowExponent), "A#1");
 224                 Assert.AreEqual (20, uint.Parse ("2E1", NumberStyles.AllowExponent), "A#2");
 225                 Assert.AreEqual (200, uint.Parse ("2E2", NumberStyles.AllowExponent), "A#3");
 226                 Assert.AreEqual (2000000, uint.Parse ("2E6", NumberStyles.AllowExponent), "A#4");
 227                 Assert.AreEqual (200, uint.Parse ("2E+2", NumberStyles.AllowExponent), "A#5");
 228                 Assert.AreEqual (2, uint.Parse ("2", NumberStyles.AllowExponent), "A#6");
 229                 Assert.AreEqual (21, uint.Parse ("2.1E1", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#7");
 230                 Assert.AreEqual (520, uint.Parse (".52E3", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#8");
 231                 Assert.AreEqual (32500000, uint.Parse ("32.5E6", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#9");
 232                 Assert.AreEqual (890, uint.Parse ("8.9000E2", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#10");
 233
 234                 try {
 235                         uint.Parse ("2E");
 236                         Assert.Fail ("B#1");
 237                 } catch (FormatException) {
 238                 }
 239
 240                 try {
 241                         uint.Parse ("2E3.0", NumberStyles.AllowExponent); // decimal notation for the exponent
 242                         Assert.Fail ("B#2");
 243                 } catch (FormatException) {
 244                 }
 245
 246                 try {
 247                         uint.Parse ("2E 2", NumberStyles.AllowExponent);
 248                         Assert.Fail ("B#3");
 249                 } catch (FormatException) {
 250                 }
 251
 252                 try {
 253                         uint.Parse ("2E2 ", NumberStyles.AllowExponent);
 254                         Assert.Fail ("B#4");
 255                 } catch (FormatException) {
 256                 }
 257
 258                 try {
 259                         uint.Parse ("2E66", NumberStyles.AllowExponent); // final result overflow
 260                         Assert.Fail ("B#5");
 261                 } catch (OverflowException) {
 262                 }
 263
 264                 try {
 265                         long exponent = (long) Int32.MaxValue + 10;
 266                         uint.Parse ("2E" + exponent.ToString (), NumberStyles.AllowExponent);
 267                         Assert.Fail ("B#6");
 268                 } catch (OverflowException) {
 269                 }
 270
 271                 try {
 272                         uint.Parse ("2E-1", NumberStyles.AllowExponent); // negative exponent
 273                         Assert.Fail ("B#7");
 274                 } catch (OverflowException) {
 275                 }
 276
 277                 try {
 278                         uint.Parse ("2 math e1", NumberStyles.AllowExponent);
 279                         Assert.Fail ("B#8");
 280                 } catch (FormatException) {
 281                 }
 282
 283                 try {
 284                         uint.Parse ("2.09E1",  NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent);
 285                         Assert.Fail ("B#9");
 286                 } catch (OverflowException) {
 287                 }
 288         }
 289
 290         [Test]
 291         public void TestTryParse()
 292         {
 293                 uint result;
 294
 295                 Assert.AreEqual (true, UInt32.TryParse (MyString1, out result));
 296                 Assert.AreEqual (MyUInt32_1, result);
 297                 Assert.AreEqual (true, UInt32.TryParse (MyString2, out result));
 298                 Assert.AreEqual (MyUInt32_2, result);
 299                 Assert.AreEqual (true, UInt32.TryParse (MyString3, out result));
 300                 Assert.AreEqual (MyUInt32_3, result);
 301
 302                 Assert.AreEqual (true, UInt32.TryParse ("1", out result));
 303                 Assert.AreEqual (1, result);
 304                 Assert.AreEqual (true, UInt32.TryParse (" 1", out result));
 305                 Assert.AreEqual (1, result);
 306                 Assert.AreEqual (true, UInt32.TryParse ("     1", out result));
 307                 Assert.AreEqual (1, result);
 308                 Assert.AreEqual (true, UInt32.TryParse ("1    ", out result));
 309                 Assert.AreEqual (1, result);
 310                 Assert.AreEqual (true, UInt32.TryParse ("+1", out result));
 311                 Assert.AreEqual (1, result);
 312                 Assert.AreEqual (false, UInt32.TryParse ("-1", out result));
 313                 Assert.AreEqual (false, UInt32.TryParse ("  -1", out result));
 314                 Assert.AreEqual (false, UInt32.TryParse ("  -1  ", out result));
 315                 Assert.AreEqual (false, UInt32.TryParse ("  -1  ", out result));
 316
 317                 result = 1;
 318                 Assert.AreEqual (false, UInt32.TryParse (null, out result));
 319                 Assert.AreEqual (0, result);
 320
 321                 Assert.AreEqual (false, UInt32.TryParse ("not-a-number", out result));
 322
 323                 double OverInt = (double)UInt32.MaxValue + 1;
 324                 Assert.AreEqual (false, UInt32.TryParse (OverInt.ToString (), out result));
 325                 Assert.AreEqual (false, UInt32.TryParse (OverInt.ToString (), NumberStyles.None, CultureInfo.InvariantCulture, out result));
 326
 327                 Assert.AreEqual (false, UInt32.TryParse ("$42", NumberStyles.Integer, null, out result));
 328                 Assert.AreEqual (false, UInt32.TryParse ("%42", NumberStyles.Integer, Nfi, out result));
 329                 Assert.AreEqual (false, UInt32.TryParse ("$42", NumberStyles.Integer, Nfi, out result));
 330                 Assert.AreEqual (false, UInt32.TryParse (" - 1 ", out result));
 331                 Assert.AreEqual (false, UInt32.TryParse (" - ", out result));
 332                 Assert.AreEqual (false, UInt32.TryParse ("100000000", NumberStyles.HexNumber, Nfi, out result));
 333                 Assert.AreEqual (false, UInt32.TryParse ("10000000000", out result));
 334                 Assert.AreEqual (false, UInt32.TryParse ("-10000000000", out result));
 335                 Assert.AreEqual (true, UInt32.TryParse ("7fffffff", NumberStyles.HexNumber, Nfi, out result));
 336                 Assert.AreEqual (Int32.MaxValue, result);
 337                 Assert.AreEqual (true, UInt32.TryParse ("80000000", NumberStyles.HexNumber, Nfi, out result));
 338                 Assert.AreEqual (Int32.MaxValue + (uint)1, result);
 339                 Assert.AreEqual (true, UInt32.TryParse ("ffffffff", NumberStyles.HexNumber, Nfi, out result));
 340                 Assert.AreEqual (uint.MaxValue, result);
 341                 Assert.IsFalse (uint.TryParse ("-", NumberStyles.AllowLeadingSign, Nfi, out result));
 342                 Assert.IsFalse (uint.TryParse (Nfi.CurrencySymbol + "-", NumberStyles.AllowLeadingSign | NumberStyles.AllowCurrencySymbol, Nfi, out result));
 343         }
 344
 345         [Test]
 346         public void TestToString()
 347         {
 348                 int TestNumber = 1;
 349                 try {
 350                         //test ToString()
 351                         Assert.AreEqual(MyString1, MyUInt32_1.ToString());
 352                         TestNumber++;
 353                         Assert.AreEqual(MyString2, MyUInt32_2.ToString());
 354                         TestNumber++;
 355                         Assert.AreEqual(MyString3, MyUInt32_3.ToString());
 356                 } catch (Exception e) {
 357                         Assert.Fail("TestToString: Assert.Failed on TestNumber=" + TestNumber
 358                                 + " with exception: " + e.ToString());
 359                 }
 360
 361                 //test ToString(string format)
 362                 for (int i=0; i < Formats1.Length; i++) {
 363                         try {
 364                                 Assert.AreEqual(Results1[i], MyUInt32_2.ToString(Formats1[i]));
 365                         } catch (Exception e) {
 366                                 Assert.Fail("TestToString: MyUInt32_2.ToString(Formats1[i]) i=" + i
 367                                         + ". e = " + e.ToString());
 368                         }
 369
 370                         try {
 371                                 Assert.AreEqual(Results2[i], MyUInt32_3.ToString(Formats2[i]));
 372                         } catch (Exception e) {
 373                                 Assert.Fail("TestToString: MyUInt32_3.ToString(Formats2[i]) i=" + i
 374                                         + ". e = " + e.ToString());
 375                         }
 376                 }
 377                 //test ToString(string format, IFormatProvider provider);
 378                 for (int i=0; i < Formats1.Length; i++) {
 379                         Assert.AreEqual(ResultsNfi1[i], MyUInt32_2.ToString(Formats1[i], Nfi));
 380                         Assert.AreEqual(ResultsNfi2[i], MyUInt32_3.ToString(Formats2[i], Nfi));
 381                 }
 382                 try {
 383                         MyUInt32_1.ToString("z");
 384                         Assert.Fail("Should raise a System.FormatException");
 385                 }
 386                 catch (Exception e) {
 387                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 388                 }
 389         }
 390
 391         [Test]
 392         public void ToString_Defaults ()
 393         {
 394                 UInt32 i = 254;
 395                 // everything defaults to "G"
 396                 string def = i.ToString ("G");
 397                 Assert.AreEqual (def, i.ToString (), "ToString()");
 398                 Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
 399                 Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
 400                 Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
 401                 Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
 402                 Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
 403
 404                 Assert.AreEqual ("254", def, "ToString(G)");
 405         }
 406 }
 407
 408
 409 }