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

   1 // DoubleTest.cs - NUnit Test Cases for the System.Double class
   2 //
   3 // Bob Doan <bdoan@sicompos.com>
   4 //
   5 // (C) Ximian, Inc.  http://www.ximian.com
   6 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   7 //
   8
   9 using System;
  10 using System.Collections;
  11 using System.Globalization;
  12 using System.Threading;
  13
  14 using NUnit.Framework;
  15
  16 namespace MonoTests.System
  17 {
  18         [TestFixture]
  19         public class DoubleTest
  20         {
  21                 private const Double d_zero = 0.0;
  22                 private const Double d_neg = -1234.5678;
  23                 private const Double d_pos = 1234.9999;
  24                 private const Double d_pos2 = 1234.9999;
  25                 private const Double d_nan = Double.NaN;
  26                 private const Double d_pinf = Double.PositiveInfinity;
  27                 private const Double d_ninf = Double.NegativeInfinity;
  28                 private const String s = "What Ever";
  29                 private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  30
  31                 private string [] string_values;
  32                 private string [] string_values_fail = {
  33                         "",     // empty
  34                         "- 1.0", // Inner whitespace
  35                         "3 5" // Inner whitespace 2
  36                 };
  37
  38                 private double [] double_values = {
  39                         1, .1, 1.1, -12, 44.444432, .000021121,
  40                         .00001, .223, -221.3233,
  41                         1.7976931348623157e308, 1.7976931348623157e308, -1.7976931348623157e308,
  42                         4.9406564584124650e-324,
  43                         6.28318530717958647692528676655900577,
  44                         1e-05,
  45                         0,
  46                 };
  47
  48                 [SetUp]
  49                 public void Setup ()
  50                 {
  51                         string sep = NumberFormatInfo.CurrentInfo.NumberDecimalSeparator;
  52                         string_values = new string [15];
  53                         string_values [0] = "1";
  54                         string_values [1] = sep + "1";
  55                         string_values [2] = "1" + sep + "1";
  56                         string_values [3] = "-12";
  57                         string_values [4] = "44" + sep + "444432";
  58                         string_values [5] = sep + "000021121";
  59                         string_values [6] = "   " + sep + "00001";
  60                         string_values [7] = "  " + sep + "223    ";
  61                         string_values [8] = "         -221" + sep + "3233";
  62                         string_values [9] = " 1" + sep + "7976931348623157e308 ";
  63                         string_values [10] = "+1" + sep + "7976931348623157E308";
  64                         string_values [11] = "-1" + sep + "7976931348623157e308";
  65                         string_values [12] = "4" + sep + "9406564584124650e-324";
  66                         string_values [13] = "6" + sep + "28318530717958647692528676655900577";
  67                         string_values [14] = "1e-05";
  68                 }
  69
  70                 [Test]
  71                 public void PublicFields ()
  72                 {
  73                         Assert.AreEqual (3.9406564584124654e-324, Double.Epsilon, "#1");
  74                         Assert.AreEqual (1.7976931348623157e+308, Double.MaxValue, "#2");
  75                         Assert.AreEqual (-1.7976931348623157e+308, Double.MinValue, "#3");
  76                         Assert.AreEqual ((double) -1.0 / (double) (0.0), Double.NegativeInfinity, "#4");
  77                         Assert.AreEqual ((double) 1.0 / (double) (0.0), Double.PositiveInfinity, "#5");
  78                 }
  79
  80                 [Test]
  81                 public void CompareTo ()
  82                 {
  83                         //If you do int foo =  d_ninf.CompareTo(d_pinf); Assertion.Assert(".." foo < 0, true) this works.... WHY???
  84                         Assert.IsTrue (d_ninf.CompareTo (d_pinf) < 0, "#A1");
  85                         Assert.IsTrue (d_neg.CompareTo (d_pos) < 0, "#A2");
  86                         Assert.IsTrue (d_nan.CompareTo (d_neg) < 0, "#A3");
  87
  88                         Assert.AreEqual (0, d_pos.CompareTo (d_pos2), "#B1");
  89                         Assert.AreEqual (0, d_pinf.CompareTo (d_pinf), "#B2");
  90                         Assert.AreEqual (0, d_ninf.CompareTo (d_ninf), "#B3");
  91                         Assert.AreEqual (0, d_nan.CompareTo (d_nan), "#B4");
  92
  93                         Assert.IsTrue (d_pos.CompareTo (d_neg) > 0, "#C1");
  94                         Assert.IsTrue (d_pos.CompareTo (d_nan) > 0, "#C2");
  95                         Assert.IsTrue (d_pos.CompareTo (null) > 0, "#C3");
  96
  97                         try {
  98                                 d_pos.CompareTo (s);
  99                                 Assert.Fail ("#D1");
 100                         } catch (ArgumentException ex) {
 101                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 102                         }
 103                 }
 104
 105                 [Test]
 106                 public void Equals ()
 107                 {
 108                         Assert.IsTrue (d_pos.Equals (d_pos2), "#1");
 109                         Assert.IsFalse (d_pos.Equals (d_neg), "#2");
 110                         Assert.IsFalse (d_pos.Equals (s), "#3");
 111                 }
 112
 113                 [Test]
 114                 public void TestTypeCode ()
 115                 {
 116                         Assert.AreEqual (TypeCode.Double, d_pos.GetTypeCode ());
 117                 }
 118
 119                 [Test]
 120                 public void IsInfinity ()
 121                 {
 122                         Assert.IsTrue (Double.IsInfinity (Double.PositiveInfinity), "#1");
 123                         Assert.IsTrue (Double.IsInfinity (Double.NegativeInfinity), "#2");
 124                         Assert.IsFalse (Double.IsInfinity (12), "#3");
 125                 }
 126
 127                 [Test]
 128                 public void IsNan ()
 129                 {
 130                         Assert.IsTrue (Double.IsNaN (Double.NaN), "#1");
 131                         Assert.IsFalse (Double.IsNaN (12), "#2");
 132                         Assert.IsFalse (Double.IsNaN (Double.PositiveInfinity), "#3");
 133                 }
 134
 135                 [Test]
 136                 public void IsNegativeInfinity ()
 137                 {
 138                         Assert.IsTrue (Double.IsNegativeInfinity (Double.NegativeInfinity), "#1");
 139                         Assert.IsFalse (Double.IsNegativeInfinity (12), "#2");
 140                 }
 141
 142                 [Test]
 143                 public void IsPositiveInfinity ()
 144                 {
 145                         Assert.IsTrue (Double.IsPositiveInfinity (Double.PositiveInfinity), "#1");
 146                         Assert.IsFalse (Double.IsPositiveInfinity (12), "#2");
 147                 }
 148
 149                 [Test]
 150                 public void Parse ()
 151                 {
 152                         int i = 0;
 153                         try {
 154                                 for (i = 0; i < string_values.Length; i++) {
 155                                         Assert.AreEqual (double_values [i], Double.Parse (string_values [i]), "#A1");
 156                                 }
 157                         } catch (Exception e) {
 158                                 Assert.Fail ("#A2: i=" + i + " failed with e = " + e.ToString ());
 159                         }
 160
 161                         try {
 162                                 Assert.AreEqual (10.1111, Double.Parse (" 10.1111 ", NumberStyles.Float, Nfi), "#B1");
 163                         } catch (Exception e) {
 164                                 Assert.Fail ("#B2: Parse Failed NumberStyles.Float with e = " + e.ToString ());
 165                         }
 166
 167                         try {
 168                                 Assert.AreEqual (1234.5678, Double.Parse ("1,234.5678", NumberStyles.Float | NumberStyles.AllowThousands, Nfi), "#C1");
 169                         } catch (Exception e) {
 170                                 Assert.Fail ("#C2: Parse Failed NumberStyles.AllowThousands with e = " + e.ToString ());
 171                         }
 172
 173                         try {
 174                                 Double.Parse (null);
 175                                 Assert.Fail ("#D1");
 176                         } catch (ArgumentNullException ex) {
 177                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#D2");
 178                                 Assert.IsNull (ex.InnerException, "#D3");
 179                                 Assert.IsNotNull (ex.Message, "#D4");
 180                                 Assert.IsNotNull (ex.ParamName, "#D5");
 181                         }
 182
 183                         try {
 184                                 Double.Parse ("save the elk");
 185                                 Assert.Fail ("#E1");
 186                         } catch (FormatException ex) {
 187                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#E2");
 188                                 Assert.IsNull (ex.InnerException, "#E3");
 189                                 Assert.IsNotNull (ex.Message, "#E4");
 190                         }
 191
 192                         string sep = NumberFormatInfo.CurrentInfo.NumberDecimalSeparator;
 193                         double ovf_plus = 0;
 194                         try {
 195                                 ovf_plus = Double.Parse ("1" + sep + "79769313486232e308");
 196                                 Assert.Fail ("#F1");
 197                         } catch (OverflowException ex) {
 198                                 Assert.AreEqual (typeof (OverflowException), ex.GetType (), "#F2");
 199                                 Assert.IsNull (ex.InnerException, "#F3");
 200                                 Assert.IsNotNull (ex.Message, "#F4");
 201                         }
 202
 203                         try {
 204                                 Double.Parse ("-1" + sep + "79769313486232e308");
 205                                 Assert.Fail ("#G1");
 206                         } catch (OverflowException ex) {
 207                                 Assert.AreEqual (typeof (OverflowException), ex.GetType (), "#G2");
 208                                 Assert.IsNull (ex.InnerException, "#G3");
 209                                 Assert.IsNotNull (ex.Message, "#G4");
 210                         }
 211
 212                         for (i = 0; i < string_values_fail.Length; ++i) {
 213                                 try {
 214                                         Double.Parse (string_values_fail [i]);
 215                                         Assert.Fail ("#H1: " + string_values_fail [i]);
 216                                 } catch (FormatException ex) {
 217                                         Assert.AreEqual (typeof (FormatException), ex.GetType (), "#H2");
 218                                         Assert.IsNull (ex.InnerException, "#H3");
 219                                         Assert.IsNotNull (ex.Message, "#H4");
 220                                 }
 221                         }
 222                 }
 223
 224                 [Test]
 225                 public void ParseAllowWhitespaces ()
 226                 {
 227                         var nf = CultureInfo.CurrentCulture.NumberFormat;
 228                         NumberStyles style = NumberStyles.Float;
 229                         double.Parse (" 32 ");
 230                         double.Parse (string.Format ("  {0}  ", nf.PositiveInfinitySymbol));
 231                         double.Parse (string.Format ("  {0}  ", nf.NegativeInfinitySymbol));
 232                         double.Parse (string.Format ("  {0}  ", nf.NaNSymbol));
 233                 }
 234
 235                 [Test] // bug #81630
 236                 public void Parse_Whitespace ()
 237                 {
 238                         try {
 239                                 double.Parse (" ");
 240                                 Assert.Fail ("#1");
 241                         } catch (FormatException ex) {
 242                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#2");
 243                                 Assert.IsNull (ex.InnerException, "#3");
 244                                 Assert.IsNotNull (ex.Message, "#4");
 245                         }
 246                 }
 247
 248                 [Test] // //bug #81777
 249                 public void Parse_TrailingGarbage ()
 250                 {
 251                         try {
 252                                 double.Parse ("22 foo");
 253                                 Assert.Fail ("#1");
 254                         } catch (FormatException ex) {
 255                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#2");
 256                                 Assert.IsNull (ex.InnerException, "#3");
 257                                 Assert.IsNotNull (ex.Message, "#4");
 258                         }
 259                 }
 260
 261                 [Test]
 262                 public void Parse_Infinity ()
 263                 {
 264                         double value;
 265                         IFormatProvider german = new CultureInfo ("de-DE");
 266                         var res = double.Parse ("+unendlich", NumberStyles.Float, german);
 267                         Assert.AreEqual (double.PositiveInfinity, res);
 268                 }
 269
 270                 [Test]
 271                 public void TestToString ()
 272                 {
 273                         try {
 274                                 double d = 3.1415;
 275                                 d.ToString ("X");
 276                                 Assert.Fail ("#A1");
 277                         } catch (FormatException ex) {
 278                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#A2");
 279                                 Assert.IsNull (ex.InnerException, "#A3");
 280                                 Assert.IsNotNull (ex.Message, "#A4");
 281                         }
 282
 283                         try {
 284                                 double d = 3.1415;
 285                                 d.ToString ("D");
 286                                 Assert.Fail ("#B1");
 287                         } catch (FormatException ex) {
 288                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 289                                 Assert.IsNull (ex.InnerException, "#B3");
 290                                 Assert.IsNotNull (ex.Message, "#B4");
 291                         }
 292
 293                         CustomFormatHelper ();
 294                 }
 295
 296                 private class Element
 297                 {
 298                         public double value;
 299                         public string format;
 300                         public string result;
 301
 302                         public Element (double value, string format, string result)
 303                         {
 304                                 this.value = value;
 305                                 this.format = format;
 306                                 this.result = result;
 307                         }
 308                 }
 309
 310                 public void CustomFormatHelper ()
 311                 {
 312                         NumberFormatInfo nfi = new NumberFormatInfo ();
 313
 314                         nfi.NaNSymbol = "NaN";
 315                         nfi.PositiveSign = "+";
 316                         nfi.NegativeSign = "-";
 317                         nfi.PerMilleSymbol = "x";
 318                         nfi.PositiveInfinitySymbol = "Infinity";
 319                         nfi.NegativeInfinitySymbol = "-Infinity";
 320
 321                         nfi.NumberDecimalDigits = 5;
 322                         nfi.NumberDecimalSeparator = ".";
 323                         nfi.NumberGroupSeparator = ",";
 324                         nfi.NumberGroupSizes = new int [] { 3 };
 325                         nfi.NumberNegativePattern = 2;
 326
 327                         nfi.CurrencyDecimalDigits = 2;
 328                         nfi.CurrencyDecimalSeparator = ".";
 329                         nfi.CurrencyGroupSeparator = ",";
 330                         nfi.CurrencyGroupSizes = new int [] { 3 };
 331                         nfi.CurrencyNegativePattern = 8;
 332                         nfi.CurrencyPositivePattern = 3;
 333                         nfi.CurrencySymbol = "$";
 334
 335                         nfi.PercentDecimalDigits = 5;
 336                         nfi.PercentDecimalSeparator = ".";
 337                         nfi.PercentGroupSeparator = ",";
 338                         nfi.PercentGroupSizes = new int [] { 3 };
 339                         nfi.PercentNegativePattern = 0;
 340                         nfi.PercentPositivePattern = 0;
 341                         nfi.PercentSymbol = "%";
 342
 343                         ArrayList list = new ArrayList ();
 344                         list.Add (new Element (123d, "#####", "123"));
 345                         list.Add (new Element (123d, "00000", "00123"));
 346                         list.Add (new Element (123d, "(###) ### - ####", "()  - 123"));
 347                         list.Add (new Element (123d, "#.##", "123"));
 348                         list.Add (new Element (123d, "0.00", "123.00"));
 349                         list.Add (new Element (123d, "00.00", "123.00"));
 350                         list.Add (new Element (123d, "#,#", "123"));
 351                         list.Add (new Element (123d, "#,,", ""));
 352                         list.Add (new Element (123d, "#,,,", ""));
 353                         list.Add (new Element (123d, "#,##0,,", "0"));
 354                         list.Add (new Element (123d, "#0.##%", "12300%"));
 355                         list.Add (new Element (123d, "0.###E+0", "1.23E+2"));
 356                         list.Add (new Element (123d, "0.###E+000", "1.23E+002"));
 357                         list.Add (new Element (123d, "0.###E-000", "1.23E002"));
 358                         list.Add (new Element (123d, "[##-##-##]", "[-1-23]"));
 359                         list.Add (new Element (123d, "##;(##)", "123"));
 360                         list.Add (new Element (123d, "##;(##)", "123"));
 361                         list.Add (new Element (1234567890d, "#####", "1234567890"));
 362                         list.Add (new Element (1234567890d, "00000", "1234567890"));
 363                         list.Add (new Element (1234567890d,
 364                                                 "(###) ### - ####", "(123) 456 - 7890"));
 365                         list.Add (new Element (1234567890d, "#.##", "1234567890"));
 366                         list.Add (new Element (1234567890d, "0.00", "1234567890.00"));
 367                         list.Add (new Element (1234567890d, "00.00", "1234567890.00"));
 368                         list.Add (new Element (1234567890d, "#,#", "1,234,567,890"));
 369                         list.Add (new Element (1234567890d, "#,,", "1235"));
 370                         list.Add (new Element (1234567890d, "#,,,", "1"));
 371                         list.Add (new Element (1234567890d, "#,##0,,", "1,235"));
 372                         list.Add (new Element (1234567890d, "#0.##%", "123456789000%"));
 373                         list.Add (new Element (1234567890d, "0.###E+0", "1.235E+9"));
 374                         list.Add (new Element (1234567890d, "0.###E+000", "1.235E+009"));
 375                         list.Add (new Element (1234567890d, "0.###E-000", "1.235E009"));
 376                         list.Add (new Element (1234567890d, "[##-##-##]", "[123456-78-90]"));
 377                         list.Add (new Element (1234567890d, "##;(##)", "1234567890"));
 378                         list.Add (new Element (1234567890d, "##;(##)", "1234567890"));
 379                         list.Add (new Element (1.2d, "#####", "1"));
 380                         list.Add (new Element (1.2d, "00000", "00001"));
 381                         list.Add (new Element (1.2d, "(###) ### - ####", "()  - 1"));
 382                         list.Add (new Element (1.2d, "#.##", "1.2"));
 383                         list.Add (new Element (1.2d, "0.00", "1.20"));
 384                         list.Add (new Element (1.2d, "00.00", "01.20"));
 385                         list.Add (new Element (1.2d, "#,#", "1"));
 386                         list.Add (new Element (1.2d, "#,,", ""));
 387                         list.Add (new Element (1.2d, "#,,,", ""));
 388                         list.Add (new Element (1.2d, "#,##0,,", "0"));
 389                         list.Add (new Element (1.2d, "#0.##%", "120%"));
 390                         list.Add (new Element (1.2d, "0.###E+0", "1.2E+0"));
 391                         list.Add (new Element (1.2d, "0.###E+000", "1.2E+000"));
 392                         list.Add (new Element (1.2d, "0.###E-000", "1.2E000"));
 393                         list.Add (new Element (1.2d, "[##-##-##]", "[--1]"));
 394                         list.Add (new Element (1.2d, "##;(##)", "1"));
 395                         list.Add (new Element (1.2d, "##;(##)", "1"));
 396                         list.Add (new Element (0.086d, "#####", ""));
 397                         list.Add (new Element (0.086d, "00000", "00000"));
 398                         list.Add (new Element (0.086d, "(###) ### - ####", "()  - "));
 399                         list.Add (new Element (0.086d, "#.##", ".09"));
 400                         list.Add (new Element (0.086d, "#.#", ".1"));
 401                         list.Add (new Element (0.086d, "0.00", "0.09"));
 402                         list.Add (new Element (0.086d, "00.00", "00.09"));
 403                         list.Add (new Element (0.086d, "#,#", ""));
 404                         list.Add (new Element (0.086d, "#,,", ""));
 405                         list.Add (new Element (0.086d, "#,,,", ""));
 406                         list.Add (new Element (0.086d, "#,##0,,", "0"));
 407                         list.Add (new Element (0.086d, "#0.##%", "8.6%"));
 408                         list.Add (new Element (0.086d, "0.###E+0", "8.6E-2"));
 409                         list.Add (new Element (0.086d, "0.###E+000", "8.6E-002"));
 410                         list.Add (new Element (0.086d, "0.###E-000", "8.6E-002"));
 411                         list.Add (new Element (0.086d, "[##-##-##]", "[--]"));
 412                         list.Add (new Element (0.086d, "##;(##)", ""));
 413                         list.Add (new Element (0.086d, "##;(##)", ""));
 414                         list.Add (new Element (86000d, "#####", "86000"));
 415                         list.Add (new Element (86000d, "00000", "86000"));
 416                         list.Add (new Element (86000d, "(###) ### - ####", "() 8 - 6000"));
 417                         list.Add (new Element (86000d, "#.##", "86000"));
 418                         list.Add (new Element (86000d, "0.00", "86000.00"));
 419                         list.Add (new Element (86000d, "00.00", "86000.00"));
 420                         list.Add (new Element (86000d, "#,#", "86,000"));
 421                         list.Add (new Element (86000d, "#,,", ""));
 422                         list.Add (new Element (86000d, "#,,,", ""));
 423                         list.Add (new Element (86000d, "#,##0,,", "0"));
 424                         list.Add (new Element (86000d, "#0.##%", "8600000%"));
 425                         list.Add (new Element (86000d, "0.###E+0", "8.6E+4"));
 426                         list.Add (new Element (86000d, "0.###E+000", "8.6E+004"));
 427                         list.Add (new Element (86000d, "0.###E-000", "8.6E004"));
 428                         list.Add (new Element (86000d, "[##-##-##]", "[8-60-00]"));
 429                         list.Add (new Element (86000d, "##;(##)", "86000"));
 430                         list.Add (new Element (86000d, "##;(##)", "86000"));
 431                         list.Add (new Element (123456d, "#####", "123456"));
 432                         list.Add (new Element (123456d, "00000", "123456"));
 433                         list.Add (new Element (123456d, "(###) ### - ####", "() 12 - 3456"));
 434                         list.Add (new Element (123456d, "#.##", "123456"));
 435                         list.Add (new Element (123456d, "0.00", "123456.00"));
 436                         list.Add (new Element (123456d, "00.00", "123456.00"));
 437                         list.Add (new Element (123456d, "#,#", "123,456"));
 438                         list.Add (new Element (123456d, "#,,", ""));
 439                         list.Add (new Element (123456d, "#,,,", ""));
 440                         list.Add (new Element (123456d, "#,##0,,", "0"));
 441                         list.Add (new Element (123456d, "#0.##%", "12345600%"));
 442                         list.Add (new Element (123456d, "0.###E+0", "1.235E+5"));
 443                         list.Add (new Element (123456d, "0.###E+000", "1.235E+005"));
 444                         list.Add (new Element (123456d, "0.###E-000", "1.235E005"));
 445                         list.Add (new Element (123456d, "[##-##-##]", "[12-34-56]"));
 446                         list.Add (new Element (123456d, "##;(##)", "123456"));
 447                         list.Add (new Element (123456d, "##;(##)", "123456"));
 448                         list.Add (new Element (1234d, "#####", "1234"));
 449                         list.Add (new Element (1234d, "00000", "01234"));
 450                         list.Add (new Element (1234d, "(###) ### - ####", "()  - 1234"));
 451                         list.Add (new Element (1234d, "#.##", "1234"));
 452                         list.Add (new Element (1234d, "0.00", "1234.00"));
 453                         list.Add (new Element (1234d, "00.00", "1234.00"));
 454                         list.Add (new Element (1234d, "#,#", "1,234"));
 455                         list.Add (new Element (1234d, "#,,", ""));
 456                         list.Add (new Element (1234d, "#,,,", ""));
 457                         list.Add (new Element (1234d, "#,##0,,", "0"));
 458                         list.Add (new Element (1234d, "#0.##%", "123400%"));
 459                         list.Add (new Element (1234d, "0.###E+0", "1.234E+3"));
 460                         list.Add (new Element (1234d, "0.###E+000", "1.234E+003"));
 461                         list.Add (new Element (1234d, "0.###E-000", "1.234E003"));
 462                         list.Add (new Element (1234d, "[##-##-##]", "[-12-34]"));
 463                         list.Add (new Element (1234d, "##;(##)", "1234"));
 464                         list.Add (new Element (1234d, "##;(##)", "1234"));
 465                         list.Add (new Element (-1234d, "#####", "-1234"));
 466                         list.Add (new Element (-1234d, "00000", "-01234"));
 467                         list.Add (new Element (-1234d, "(###) ### - ####", "-()  - 1234"));
 468                         list.Add (new Element (-1234d, "#.##", "-1234"));
 469                         list.Add (new Element (-1234d, "0.00", "-1234.00"));
 470                         list.Add (new Element (-1234d, "00.00", "-1234.00"));
 471                         list.Add (new Element (-1234d, "#,#", "-1,234"));
 472                         list.Add (new Element (-1234d, "#,,", ""));
 473                         list.Add (new Element (-1234d, "#,,,", ""));
 474                         list.Add (new Element (-1234d, "#,##0,,", "0"));
 475                         list.Add (new Element (-1234d, "#0.##%", "-123400%"));
 476                         list.Add (new Element (-1234d, "0.###E+0", "-1.234E+3"));
 477                         list.Add (new Element (-1234d, "0.###E+000", "-1.234E+003"));
 478                         list.Add (new Element (-1234d, "0.###E-000", "-1.234E003"));
 479                         list.Add (new Element (-1234d, "[##-##-##]", "-[-12-34]"));
 480                         list.Add (new Element (-1234d, "##;(##)", "(1234)"));
 481                         list.Add (new Element (-1234d, "##;(##)", "(1234)"));
 482                         list.Add (new Element (12345678901234567890.123d,
 483                                                 "#####", "12345678901234600000"));
 484                         list.Add (new Element (12345678901234567890.123d,
 485                                                 "00000", "12345678901234600000"));
 486                         list.Add (new Element (12345678901234567890.123d,
 487                                                 "(###) ### - ####", "(1234567890123) 460 - 0000"));
 488                         list.Add (new Element (12345678901234567890.123d,
 489                                                 "#.##", "12345678901234600000"));
 490                         list.Add (new Element (12345678901234567890.123d,
 491                                                 "0.00", "12345678901234600000.00"));
 492                         list.Add (new Element (12345678901234567890.123d,
 493                                                 "00.00", "12345678901234600000.00"));
 494                         list.Add (new Element (12345678901234567890.123d,
 495                                                 "#,#", "12,345,678,901,234,600,000"));
 496                         list.Add (new Element (12345678901234567890.123d,
 497                                                 "#,,", "12345678901235"));
 498                         list.Add (new Element (12345678901234567890.123d,
 499                                                 "#,,,", "12345678901"));
 500                         list.Add (new Element (12345678901234567890.123d,
 501                                                 "#,##0,,", "12,345,678,901,235"));
 502                         list.Add (new Element (12345678901234567890.123d,
 503                                                 "#0.##%", "1234567890123460000000%"));
 504                         list.Add (new Element (12345678901234567890.123d,
 505                                                 "0.###E+0", "1.235E+19"));
 506                         list.Add (new Element (12345678901234567890.123d,
 507                                                 "0.###E+000", "1.235E+019"));
 508                         list.Add (new Element (12345678901234567890.123d,
 509                                                 "0.###E-000", "1.235E019"));
 510                         list.Add (new Element (12345678901234567890.123d,
 511                                                 "[##-##-##]", "[1234567890123460-00-00]"));
 512                         list.Add (new Element (12345678901234567890.123d,
 513                                                 "##;(##)", "12345678901234600000"));
 514                         list.Add (new Element (12345678901234567890.123d,
 515                                                 "##;(##)", "12345678901234600000"));
 516                         foreach (Element e in list) {
 517                                 Assert.AreEqual (e.result, e.value.ToString (e.format, nfi),
 518                                         "ToString Failed: '" + e.value + "' Should be \"" + e.result + "\" with \"" + e.format + "\"");
 519                         }
 520                 }
 521
 522                 [Test]
 523                 public void ToString_Defaults ()
 524                 {
 525                         CultureInfo originalCulture = CultureInfo.CurrentCulture;
 526                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("nl-BE");
 527                         try {
 528                                 Double i = 254.9d;
 529                                 // everything defaults to "G"
 530                                 string def = i.ToString ("G");
 531                                 Assert.AreEqual (def, i.ToString (), "#1");
 532                                 Assert.AreEqual (def, i.ToString ((IFormatProvider) null), "#2");
 533                                 Assert.AreEqual (def, i.ToString ((string) null), "#3");
 534                                 Assert.AreEqual (def, i.ToString (String.Empty), "#4");
 535                                 Assert.AreEqual (def, i.ToString (null, null), "#5");
 536                                 Assert.AreEqual (def, i.ToString (String.Empty, null), "#6");
 537                                 Assert.AreEqual ("254,9", def, "#7");
 538                         } finally {
 539                                 // restore original culture
 540                                 Thread.CurrentThread.CurrentCulture = originalCulture;
 541                         }
 542                 }
 543
 544                 [Test]
 545                 public void TestRoundtrip () // bug #320433
 546                 {
 547                         Assert.AreEqual ("10.78", 10.78.ToString ("R", NumberFormatInfo.InvariantInfo));
 548                 }
 549
 550                 [Test] // bug #72955
 551                 public void LongLongValueRoundtrip ()
 552                 {
 553                         CultureInfo originalCulture = CultureInfo.CurrentCulture;
 554                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("nl-BE");
 555                         try {
 556                                 double d = 0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000222;
 557                                 Assert.AreEqual ("1,97626258336499E-323", d.ToString ("R"));
 558                         } finally {
 559                                 // restore original culture
 560                                 Thread.CurrentThread.CurrentCulture = originalCulture;
 561                         }
 562                 }
 563
 564                 [Test]
 565                 [ExpectedException (typeof (ArgumentException))]
 566                 public void HexNumber_WithHexToParse ()
 567                 {
 568                         // from bug #72221
 569                         double d;
 570                         Assert.IsTrue (Double.TryParse ("0dead", NumberStyles.HexNumber, null, out d), "#1");
 571                         Assert.AreEqual (57842, d, "#2");
 572                 }
 573
 574                 [Test]
 575                 [ExpectedException (typeof (ArgumentException))]
 576                 public void HexNumber_NoHexToParse ()
 577                 {
 578                         double d;
 579                         Assert.IsTrue (Double.TryParse ("0", NumberStyles.HexNumber, null, out d), "#1");
 580                         Assert.AreEqual (0, d, "#2");
 581                 }
 582
 583                 [Test]
 584                 public void TryParseBug78546 ()
 585                 {
 586                         double value;
 587                         Assert.IsFalse (Double.TryParse ("error", NumberStyles.Integer,
 588                                 null, out value));
 589                 }
 590
 591                 [Test]
 592                 public void TryParse_NonDigitStrings ()
 593                 {
 594                         double value;
 595                         Assert.IsFalse (Double.TryParse ("string", NumberStyles.Any, null, out value), "#1");
 596                         Assert.IsFalse (Double.TryParse ("with whitespace", NumberStyles.Any, null, out value), "#2");
 597
 598                         Assert.IsFalse (Double.TryParse ("string", out value), "#3");
 599                         Assert.IsFalse (Double.TryParse ("with whitespace", out value), "#4");
 600                 }
 601
 602
 603                 [Test] // bug #77721
 604                 public void ParseCurrency ()
 605                 {
 606                         CultureInfo originalCulture = CultureInfo.CurrentCulture;
 607                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US");
 608                         try {
 609                                 NumberFormatInfo f = NumberFormatInfo.CurrentInfo;
 610                                 double d = double.Parse ("$4.56", NumberStyles.Currency, f);
 611                                 Assert.AreEqual (4.56, d);
 612                         } finally {
 613                                 Thread.CurrentThread.CurrentCulture = originalCulture;
 614                         }
 615                 }
 616
 617                 [Test]
 618                 public void ParseEmptyNumberGroupSeparator ()
 619                 {
 620                         CultureInfo originalCulture = CultureInfo.CurrentCulture;
 621                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US");
 622                         try {
 623                                 var nf = new NumberFormatInfo ();
 624                                 nf.NumberDecimalSeparator = ".";
 625                                 nf.NumberGroupSeparator = "";
 626                                 double d = double.Parse ("4.5", nf);
 627                                 Assert.AreEqual (4.5, d);
 628                         } finally {
 629                                 Thread.CurrentThread.CurrentCulture = originalCulture;
 630                         }
 631                 }
 632         }
 633 }