mcs/class/System.Data/Test/System.Data.SqlTypes/SqlSingleTest.cs

   1 //
   2 // SqlSingleTest.cs - NUnit Test Cases for System.Data.SqlTypes.SqlSingle
   3 //
   4 // Authors:
   5 //   Ville Palo (vi64pa@koti.soon.fi)
   6 //   Martin Willemoes Hansen (mwh@sysrq.dk)
   7 //
   8 // (C) 2002 Ville Palo
   9 // (C) 2003 Martin Willemoes Hansen
  10 //
  11
  12 //
  13 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  14 //
  15 // Permission is hereby granted, free of charge, to any person obtaining
  16 // a copy of this software and associated documentation files (the
  17 // "Software"), to deal in the Software without restriction, including
  18 // without limitation the rights to use, copy, modify, merge, publish,
  19 // distribute, sublicense, and/or sell copies of the Software, and to
  20 // permit persons to whom the Software is furnished to do so, subject to
  21 // the following conditions:
  22 //
  23 // The above copyright notice and this permission notice shall be
  24 // included in all copies or substantial portions of the Software.
  25 //
  26 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  30 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  31 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  32 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33 //
  34
  35 using NUnit.Framework;
  36 using System;
  37 using System.Data.SqlTypes;
  38 using System.Threading;
  39 using System.Globalization;
  40
  41 namespace MonoTests.System.Data.SqlTypes
  42 {
  43         [TestFixture]
  44         public class SqlSingleTest
  45         {
  46
  47                 [SetUp]
  48                 public void GetReady()
  49                 {
  50                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US");
  51                 }
  52
  53                 // Test constructor
  54                 [Test]
  55                 public void Create()
  56                 {
  57                         SqlSingle Test= new SqlSingle ((float)34.87);
  58                         SqlSingle Test2 = 45.2f;
  59
  60                         Assert.AreEqual (34.87f, Test.Value, "#A01");
  61                         Assert.AreEqual (45.2f, Test2.Value, "#A02");
  62
  63                         Test = new SqlSingle (-9000.6543);
  64                         Assert.AreEqual (-9000.6543f, Test.Value, "#A03");
  65                 }
  66
  67                 // Test public fields
  68                 [Test]
  69                 public void PublicFields()
  70                 {
  71                         Assert.AreEqual (3.40282346638528859E+38f,
  72                                       SqlSingle.MaxValue.Value, "#B01");
  73                         Assert.AreEqual (-3.40282346638528859E+38f,
  74                                       SqlSingle.MinValue.Value, "#B02");
  75                         Assert.IsTrue (SqlSingle.Null.IsNull, "#B03");
  76                         Assert.AreEqual (0f, SqlSingle.Zero.Value, "#B04");
  77                 }
  78
  79                 // Test properties
  80                 [Test]
  81                 public void Properties()
  82                 {
  83                         SqlSingle Test = new SqlSingle (5443e12f);
  84                         SqlSingle Test1 = new SqlSingle (1);
  85
  86                         Assert.IsTrue (SqlSingle.Null.IsNull, "#C01");
  87                         Assert.AreEqual (5443e12f, Test.Value, "#C02");
  88                         Assert.AreEqual ((float)1, Test1.Value, "#C03");
  89                 }
  90
  91                 // PUBLIC METHODS
  92
  93                 [Test]
  94                 public void ArithmeticMethods()
  95                 {
  96                         SqlSingle Test0 = new SqlSingle (0);
  97                         SqlSingle Test1 = new SqlSingle (15E+18);
  98                         SqlSingle Test2 = new SqlSingle (-65E+6);
  99                         SqlSingle Test3 = new SqlSingle (5E+30);
 100                         SqlSingle Test4 = new SqlSingle (5E+18);
 101                         SqlSingle TestMax = new SqlSingle (SqlSingle.MaxValue.Value);
 102
 103                         // Add()
 104                         Assert.AreEqual (15E+18f, SqlSingle.Add (Test1, Test0).Value, "#D01A");
 105                         Assert.AreEqual (1.5E+19f, SqlSingle.Add (Test1, Test2).Value, "#D02A");
 106
 107                         try {
 108                                 SqlSingle test = SqlSingle.Add (SqlSingle.MaxValue,
 109                                                          SqlSingle.MaxValue);
 110                                 Assert.Fail ("#D03A");
 111                         } catch (Exception e) {
 112                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#D04A");
 113                         }
 114
 115                         // Divide()
 116                         Assert.AreEqual ((SqlSingle)3, SqlSingle.Divide (Test1, Test4), "#D01B");
 117                         Assert.AreEqual (-1.3E-23f, SqlSingle.Divide (Test2, Test3).Value, "#D02B");
 118
 119                         try {
 120                                 SqlSingle test = SqlSingle.Divide(Test1, Test0).Value;
 121                                 Assert.Fail ("#D03B");
 122                         } catch(Exception e) {
 123                                 Assert.AreEqual (typeof (DivideByZeroException),
 124                                               e.GetType (), "#D04B");
 125                         }
 126
 127                         // Multiply()
 128                         Assert.AreEqual ((float)(7.5E+37),
 129                                       SqlSingle.Multiply (Test1, Test4).Value, "#D01D");
 130                         Assert.AreEqual ((float)0, SqlSingle.Multiply (Test1, Test0).Value, "#D02D");
 131
 132                         try {
 133                                 SqlSingle test = SqlSingle.Multiply (TestMax, Test1);
 134                                 Assert.Fail ("#D03D");
 135                         } catch (Exception e) {
 136                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#D04D");
 137                         }
 138
 139
 140                         // Subtract()
 141                         Assert.AreEqual ((float)(-5E+30),
 142                                       SqlSingle.Subtract (Test1, Test3).Value, "#D01F");
 143
 144                         try {
 145                                 SqlSingle test = SqlSingle.Subtract(
 146                                         SqlSingle.MinValue, SqlSingle.MaxValue);
 147                                 Assert.Fail ("D02F");
 148                         } catch (Exception e) {
 149                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#D03F");
 150                         }
 151                 }
 152
 153                 [Test]
 154                 public void CompareTo()
 155                 {
 156                         SqlSingle Test1 = new SqlSingle (4E+30);
 157                         SqlSingle Test11 = new SqlSingle (4E+30);
 158                         SqlSingle Test2 = new SqlSingle (-9E+30);
 159                         SqlSingle Test3 = new SqlSingle (10000);
 160                         SqlString TestString = new SqlString ("This is a test");
 161
 162                         Assert.IsTrue (Test1.CompareTo (Test3) > 0, "#E01");
 163                         Assert.IsTrue (Test2.CompareTo (Test3) < 0, "#E02");
 164                         Assert.IsTrue (Test1.CompareTo (Test11) == 0, "#E03");
 165                         Assert.IsTrue (Test11.CompareTo (SqlSingle.Null) > 0, "#E04");
 166
 167                         try {
 168                                 Test1.CompareTo (TestString);
 169                                 Assert.Fail("#E05");
 170                         } catch(Exception e) {
 171                                 Assert.AreEqual (typeof (ArgumentException), e.GetType (), "#E06");
 172                         }
 173                 }
 174
 175                 [Test]
 176                 public void EqualsMethods()
 177                 {
 178                         SqlSingle Test0 = new SqlSingle (0);
 179                         SqlSingle Test1 = new SqlSingle (1.58e30);
 180                         SqlSingle Test2 = new SqlSingle (1.8e32);
 181                         SqlSingle Test22 = new SqlSingle (1.8e32);
 182
 183                         Assert.IsTrue (!Test0.Equals (Test1), "#F01");
 184                         Assert.IsTrue (!Test1.Equals (Test2), "#F02");
 185                         Assert.IsTrue (!Test2.Equals (new SqlString ("TEST")), "#F03");
 186                         Assert.IsTrue (Test2.Equals (Test22), "#F04");
 187
 188                         // Static Equals()-method
 189                         Assert.IsTrue (SqlSingle.Equals (Test2, Test22).Value, "#F05");
 190                         Assert.IsTrue (!SqlSingle.Equals (Test1, Test2).Value, "#F06");
 191                 }
 192
 193                 [Test]
 194                 public void GetHashCodeTest()
 195                 {
 196                         SqlSingle Test15 = new SqlSingle (15);
 197
 198                         // FIXME: Better way to test HashCode
 199                         Assert.AreEqual (Test15.GetHashCode (), Test15.GetHashCode (), "#G01");
 200                 }
 201
 202                 [Test]
 203                 public void GetTypeTest()
 204                 {
 205                         SqlSingle Test = new SqlSingle (84);
 206                         Assert.AreEqual ("System.Data.SqlTypes.SqlSingle",
 207                                       Test.GetType ().ToString (), "#H01");
 208                         Assert.AreEqual ("System.Single", Test.Value.GetType ().ToString (), "#H02");
 209                 }
 210
 211                 [Test]
 212                 public void Greaters()
 213                 {
 214                         SqlSingle Test1 = new SqlSingle (1e10);
 215                         SqlSingle Test11 = new SqlSingle (1e10);
 216                         SqlSingle Test2 = new SqlSingle (64e14);
 217
 218                         // GreateThan ()
 219                         Assert.IsTrue (!SqlSingle.GreaterThan (Test1, Test2).Value, "#I01");
 220                         Assert.IsTrue (SqlSingle.GreaterThan (Test2, Test1).Value, "#I02");
 221                         Assert.IsTrue (!SqlSingle.GreaterThan (Test1, Test11).Value, "#I03");
 222
 223                         // GreaterTharOrEqual ()
 224                         Assert.IsTrue (!SqlSingle.GreaterThanOrEqual (Test1, Test2).Value, "#I04");
 225                         Assert.IsTrue (SqlSingle.GreaterThanOrEqual (Test2, Test1).Value, "#I05");
 226                         Assert.IsTrue (SqlSingle.GreaterThanOrEqual (Test1, Test11).Value, "#I06");
 227                 }
 228
 229                 [Test]
 230                 public void Lessers()
 231                 {
 232                         SqlSingle Test1 = new SqlSingle(1.8e10);
 233                         SqlSingle Test11 = new SqlSingle (1.8e10);
 234                         SqlSingle Test2 = new SqlSingle (64e14);
 235
 236                         // LessThan()
 237                         Assert.IsTrue (!SqlSingle.LessThan (Test1, Test11).Value, "#J01");
 238                         Assert.IsTrue (!SqlSingle.LessThan (Test2, Test1).Value, "#J02");
 239                         Assert.IsTrue (SqlSingle.LessThan (Test11, Test2).Value, "#J03");
 240
 241                         // LessThanOrEqual ()
 242                         Assert.IsTrue (SqlSingle.LessThanOrEqual (Test1, Test2).Value, "#J04");
 243                         Assert.IsTrue (!SqlSingle.LessThanOrEqual (Test2, Test1).Value, "#J05");
 244                         Assert.IsTrue (SqlSingle.LessThanOrEqual (Test11, Test1).Value, "#J06");
 245                         Assert.IsTrue (SqlSingle.LessThanOrEqual (Test11, SqlSingle.Null).IsNull, "#J07");
 246                 }
 247
 248                 [Test]
 249                 public void NotEquals()
 250                 {
 251                         SqlSingle Test1 = new SqlSingle (12800000000001);
 252                         SqlSingle Test2 = new SqlSingle (128e10);
 253                         SqlSingle Test22 = new SqlSingle (128e10);
 254
 255                         Assert.IsTrue (SqlSingle.NotEquals (Test1, Test2).Value, "#K01");
 256                         Assert.IsTrue (SqlSingle.NotEquals (Test2, Test1).Value, "#K02");
 257                         Assert.IsTrue (SqlSingle.NotEquals (Test22, Test1).Value, "#K03");
 258                         Assert.IsTrue (!SqlSingle.NotEquals (Test22, Test2).Value, "#K04");
 259                         Assert.IsTrue (!SqlSingle.NotEquals (Test2, Test22).Value, "#K05");
 260                         Assert.IsTrue (SqlSingle.NotEquals (SqlSingle.Null, Test22).IsNull, "#K06");
 261                         Assert.IsTrue (SqlSingle.NotEquals (SqlSingle.Null, Test22).IsNull, "#K07");
 262                 }
 263
 264                 [Test]
 265                 public void Parse()
 266                 {
 267                         try {
 268                                 SqlSingle.Parse (null);
 269                                 Assert.Fail ("#L01");
 270                         } catch (Exception e) {
 271                                 Assert.AreEqual (typeof (ArgumentNullException), e.GetType (), "#L02");
 272                         }
 273
 274                         try {
 275                                 SqlSingle.Parse ("not-a-number");
 276                                 Assert.Fail ("#L03");
 277                         } catch (Exception e) {
 278                                 Assert.AreEqual (typeof (FormatException), e.GetType (), "#L04");
 279                         }
 280
 281                          try {
 282                                 SqlSingle.Parse ("9e44");
 283                                 Assert.Fail ("#L05");
 284                         } catch (Exception e) {
 285                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#L06");
 286                         }
 287
 288                         Assert.AreEqual((float)150, SqlSingle.Parse ("150").Value, "#L07");
 289                 }
 290
 291                 [Test]
 292                 public void Conversions()
 293                 {
 294                         SqlSingle Test0 = new SqlSingle (0);
 295                         SqlSingle Test1 = new SqlSingle (250);
 296                         SqlSingle Test2 = new SqlSingle (64E+16);
 297                         SqlSingle Test3 = new SqlSingle (64E+30);
 298                         SqlSingle TestNull = SqlSingle.Null;
 299
 300                         // ToSqlBoolean ()
 301                         Assert.IsTrue (Test1.ToSqlBoolean ().Value, "#M01A");
 302                         Assert.IsTrue (!Test0.ToSqlBoolean ().Value, "#M02A");
 303                         Assert.IsTrue (TestNull.ToSqlBoolean ().IsNull, "#M03A");
 304
 305                         // ToSqlByte ()
 306                         Assert.AreEqual ((byte)250, Test1.ToSqlByte ().Value, "#M01B");
 307                         Assert.AreEqual ((byte)0, Test0.ToSqlByte ().Value, "#M02B");
 308
 309                         try {
 310                                 SqlByte b = (byte)Test2.ToSqlByte ();
 311                                 Assert.Fail ("#M03B");
 312                         } catch (Exception e) {
 313                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#M04B");
 314                         }
 315
 316                         // ToSqlDecimal ()
 317                         Assert.AreEqual (250.00000000000000M, Test1.ToSqlDecimal ().Value, "#M01C");
 318                         Assert.AreEqual ((decimal)0, Test0.ToSqlDecimal ().Value, "#M02C");
 319
 320                         try {
 321                                 SqlDecimal test = Test3.ToSqlDecimal ().Value;
 322                                 Assert.Fail ("#M03C");
 323                         } catch (Exception e) {
 324                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#M04C");
 325                         }
 326
 327                         // ToSqlInt16 ()
 328                         Assert.AreEqual ((short)250, Test1.ToSqlInt16 ().Value, "#M01D");
 329                         Assert.AreEqual ((short)0, Test0.ToSqlInt16 ().Value, "#M02D");
 330
 331                         try {
 332                                 SqlInt16 test = Test2.ToSqlInt16().Value;
 333                                 Assert.Fail ("#M03D");
 334                         } catch (Exception e) {
 335                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#M04D");
 336                         }
 337
 338                         // ToSqlInt32 ()
 339                         Assert.AreEqual ((int)250, Test1.ToSqlInt32 ().Value, "#M01E");
 340                         Assert.AreEqual ((int)0, Test0.ToSqlInt32 ().Value, "#M02E");
 341
 342                         try {
 343                                 SqlInt32 test = Test2.ToSqlInt32 ().Value;
 344                                 Assert.Fail ("#M03E");
 345                         } catch (Exception e) {
 346                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#M04E");
 347                         }
 348
 349                         // ToSqlInt64 ()
 350                         Assert.AreEqual ((long)250, Test1.ToSqlInt64 ().Value, "#M01F");
 351                         Assert.AreEqual ((long)0, Test0.ToSqlInt64 ().Value, "#M02F");
 352
 353                         try {
 354                                 SqlInt64 test = Test3.ToSqlInt64 ().Value;
 355                                 Assert.Fail ("#M03F");
 356                         } catch (Exception e) {
 357                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#M04F");
 358                         }
 359
 360                         // ToSqlMoney ()
 361                         Assert.AreEqual (250.0000M, Test1.ToSqlMoney ().Value, "#M01G");
 362                         Assert.AreEqual ((decimal)0, Test0.ToSqlMoney ().Value, "#M02G");
 363
 364                         try {
 365                                 SqlMoney test = Test3.ToSqlMoney ().Value;
 366                                 Assert.Fail ("#M03G");
 367                         } catch (Exception e) {
 368                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#M04G");
 369                         }
 370
 371
 372                         // ToSqlString ()
 373                         Assert.AreEqual ("250", Test1.ToSqlString ().Value, "#M01H");
 374                         Assert.AreEqual ("0", Test0.ToSqlString ().Value, "#M02H");
 375                         Assert.AreEqual ("6.4E+17", Test2.ToSqlString ().Value, "#M03H");
 376
 377                         // ToString ()
 378                         Assert.AreEqual ("250", Test1.ToString (), "#M01I");
 379                         Assert.AreEqual ("0", Test0.ToString (), "#M02I");
 380                         Assert.AreEqual ("6.4E+17", Test2.ToString (), "#M03I");
 381                 }
 382
 383                 // OPERATORS
 384
 385                 [Test]
 386                 public void ArithmeticOperators()
 387                 {
 388                         SqlSingle Test0 = new SqlSingle (0);
 389                         SqlSingle Test1 = new SqlSingle (24E+11);
 390                         SqlSingle Test2 = new SqlSingle (64E+32);
 391                         SqlSingle Test3 = new SqlSingle (12E+11);
 392                         SqlSingle Test4 = new SqlSingle (1E+10);
 393                         SqlSingle Test5 = new SqlSingle (2E+10);
 394
 395                         // "+"-operator
 396                         Assert.AreEqual ((SqlSingle)3E+10, Test4 + Test5, "#N01");
 397
 398                         try {
 399                                 SqlSingle test = SqlSingle.MaxValue + SqlSingle.MaxValue;
 400                                 Assert.Fail ("#N02");
 401                         } catch (Exception e) {
 402                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#N03");
 403                         }
 404
 405                         try {
 406                                 SqlSingle test = SqlSingle.MaxValue + SqlSingle.MaxValue;
 407                         } catch (Exception e) {
 408                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#N03a");
 409                         }
 410
 411                         // "/"-operator
 412                         Assert.AreEqual ((SqlSingle)2, Test1 / Test3, "#N04");
 413
 414                         try {
 415                                 SqlSingle test = Test3 / Test0;
 416                                 Assert.Fail ("#N05");
 417                         } catch (Exception e) {
 418                                 Assert.AreEqual (typeof (DivideByZeroException), e.GetType (), "#N06");
 419                         }
 420
 421                         // "*"-operator
 422                         Assert.AreEqual ((SqlSingle)2E+20, Test4 * Test5, "#N07");
 423
 424                         try {
 425                                 SqlSingle test = SqlSingle.MaxValue * Test1;
 426                                 Assert.Fail ("#N08");
 427                         } catch (Exception e) {
 428                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#N09");
 429                         }
 430
 431                         // "-"-operator
 432                         Assert.AreEqual ((SqlSingle)12e11, Test1 - Test3, "#N10");
 433
 434                         try {
 435                                 SqlSingle test = SqlSingle.MinValue - SqlSingle.MaxValue;
 436                                 Assert.Fail ("#N11");
 437                         } catch  (Exception e) {
 438                                 Assert.AreEqual (typeof (OverflowException), e.GetType (), "#N12");
 439                         }
 440                 }
 441
 442                 [Test]
 443                 public void ThanOrEqualOperators()
 444                 {
 445                         SqlSingle Test1 = new SqlSingle (1.0E+14f);
 446                         SqlSingle Test2 = new SqlSingle (9.7E+11);
 447                         SqlSingle Test22 = new SqlSingle (9.7E+11);
 448                         SqlSingle Test3 = new SqlSingle (2.0E+22f);
 449
 450                         // == -operator
 451                         Assert.IsTrue ((Test2 == Test22).Value, "#O01");
 452                         Assert.IsTrue (!(Test1 == Test2).Value, "#O02");
 453                         Assert.IsTrue ((Test1 == SqlSingle.Null).IsNull, "#O03");
 454
 455                         // != -operator
 456                         Assert.IsTrue (!(Test2 != Test22).Value, "#O04");
 457                         Assert.IsTrue ((Test2 != Test3).Value, "#O05");
 458                         Assert.IsTrue ((Test1 != Test3).Value, "#O06");
 459                         Assert.IsTrue ((Test1 != SqlSingle.Null).IsNull, "#O07");
 460
 461                         // > -operator
 462                         Assert.IsTrue ((Test1 > Test2).Value, "#O08");
 463                         Assert.IsTrue (!(Test1 > Test3).Value, "#O09");
 464                         Assert.IsTrue (!(Test2 > Test22).Value, "#O10");
 465                         Assert.IsTrue ((Test1 > SqlSingle.Null).IsNull, "#O11");
 466
 467                         // >=  -operator
 468                         Assert.IsTrue (!(Test1 >= Test3).Value, "#O12");
 469                         Assert.IsTrue ((Test3 >= Test1).Value, "#O13");
 470                         Assert.IsTrue ((Test2 >= Test22).Value, "#O14");
 471                         Assert.IsTrue ((Test1 >= SqlSingle.Null).IsNull, "#O15");
 472
 473                         // < -operator
 474                         Assert.IsTrue (!(Test1 < Test2).Value, "#O16");
 475                         Assert.IsTrue ((Test1 < Test3).Value, "#O17");
 476                         Assert.IsTrue (!(Test2 < Test22).Value, "#O18");
 477                         Assert.IsTrue ((Test1 < SqlSingle.Null).IsNull, "#O19");
 478
 479                         // <= -operator
 480                         Assert.IsTrue ((Test1 <= Test3).Value, "#O20");
 481                         Assert.IsTrue (!(Test3 <= Test1).Value, "#O21");
 482                         Assert.IsTrue ((Test2 <= Test22).Value, "#O22");
 483                         Assert.IsTrue ((Test1 <= SqlSingle.Null).IsNull, "#O23");
 484                 }
 485
 486                 [Test]
 487                 public void UnaryNegation()
 488                 {
 489                         SqlSingle Test = new SqlSingle (2000000001);
 490                         SqlSingle TestNeg = new SqlSingle (-3000);
 491
 492                         SqlSingle Result = -Test;
 493                         Assert.AreEqual ((float)(-2000000001), Result.Value, "#P01");
 494
 495                         Result = -TestNeg;
 496                         Assert.AreEqual ((float)3000, Result.Value, "#P02");
 497                 }
 498
 499                 [Test]
 500                 public void SqlBooleanToSqlSingle()
 501                 {
 502                         SqlBoolean TestBoolean = new SqlBoolean (true);
 503                         SqlSingle Result;
 504
 505                         Result = (SqlSingle)TestBoolean;
 506
 507                         Assert.AreEqual ((float)1, Result.Value, "#Q01");
 508
 509                         Result = (SqlSingle)SqlBoolean.Null;
 510                         Assert.IsTrue (Result.IsNull, "#Q02");
 511                 }
 512
 513                 [Test]
 514                 public void SqlDoubleToSqlSingle()
 515                 {
 516                         SqlDouble Test = new SqlDouble (12e12);
 517                         SqlSingle TestSqlSingle = (SqlSingle)Test;
 518                         Assert.AreEqual (12e12f, TestSqlSingle.Value, "R01");
 519                 }
 520
 521                 [Test]
 522                 public void SqlSingleToSingle()
 523                 {
 524                         SqlSingle Test = new SqlSingle (12e12);
 525                         Single Result = (Single)Test;
 526                         Assert.AreEqual (12e12f, Result, "#S01");
 527                 }
 528
 529                 [Test]
 530                 public void SqlStringToSqlSingle()
 531                 {
 532                         SqlString TestString = new SqlString ("Test string");
 533                         SqlString TestString100 = new SqlString ("100");
 534
 535                         Assert.AreEqual ((float)100, ((SqlSingle)TestString100).Value, "#T01");
 536
 537                         try {
 538                                 SqlSingle test = (SqlSingle)TestString;
 539                                 Assert.Fail ("#T02");
 540                         } catch(Exception e) {
 541                                 Assert.AreEqual (typeof (FormatException), e.GetType (), "#T03");
 542                         }
 543                 }
 544
 545                 [Test]
 546                 public void ByteToSqlSingle()
 547                 {
 548                         short TestShort = 14;
 549                         Assert.AreEqual ((float)14, ((SqlSingle)TestShort).Value, "#U01");
 550                 }
 551
 552                 [Test]
 553                 public void SqlDecimalToSqlSingle()
 554                 {
 555                         SqlDecimal TestDecimal64 = new SqlDecimal (64);
 556
 557                         Assert.AreEqual ((float)64, ((SqlSingle)TestDecimal64).Value, "#V01");
 558                         Assert.AreEqual (SqlSingle.Null, ((SqlSingle)SqlDecimal.Null), "#V02");
 559                 }
 560
 561                 [Test]
 562                 public void SqlIntToSqlSingle()
 563                 {
 564                         SqlInt16 Test64 = new SqlInt16 (64);
 565                         SqlInt32 Test640 = new SqlInt32 (640);
 566                         SqlInt64 Test64000 = new SqlInt64 (64000);
 567                         Assert.AreEqual ((float)64, ((SqlSingle)Test64).Value, "#W01");
 568                         Assert.AreEqual ((float)640, ((SqlSingle)Test640).Value, "#W02");
 569                         Assert.AreEqual ((float)64000, ((SqlSingle)Test64000).Value, "#W03");
 570                 }
 571
 572                 [Test]
 573                 public void SqlMoneyToSqlSingle()
 574                 {
 575                         SqlMoney TestMoney64 = new SqlMoney(64);
 576                         Assert.AreEqual ((float)64, ((SqlSingle)TestMoney64).Value, "#X01");
 577                 }
 578
 579                 [Test]
 580                 public void SingleToSqlSingle()
 581                 {
 582                         Single TestSingle64 = 64;
 583                         Assert.AreEqual ((float)64, ((SqlSingle)TestSingle64).Value, "#Y01");
 584                 }
 585         }
 586 }
 587