mcs/class/System.Drawing/Test/System.Drawing/TestImageConverter.cs

   1 //
   2 // Tests for System.Drawing.ImageConverter.cs
   3 //
   4 // Author:
   5 //      Sanjay Gupta (gsanjay@novell.com)
   6 //
   7
   8 //
   9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31
  32 using NUnit.Framework;
  33 using System;
  34 using System.Drawing;
  35 using System.Drawing.Imaging;
  36 using System.Collections;
  37 using System.ComponentModel;
  38 using System.Globalization;
  39 using System.IO;
  40
  41 namespace MonoTests.System.Drawing
  42 {
  43         [TestFixture]
  44         public class ImageConverterTest
  45         {
  46                 Image image;
  47                 ImageConverter imgConv;
  48                 ImageConverter imgConvFrmTD;
  49                 String imageStr;
  50                 byte [] imageBytes;
  51
  52                 [TearDown]
  53                 public void TearDown () {}
  54
  55                 [SetUp]
  56                 public void SetUp ()
  57                 {
  58                         image = Image.FromFile (TestBitmap.getInFile ("bitmaps/almogaver24bits.bmp"));
  59                         imageStr = image.ToString ();
  60
  61                         imgConv = new ImageConverter();
  62                         imgConvFrmTD = (ImageConverter) TypeDescriptor.GetConverter (image);
  63
  64                         Stream stream = new FileStream (TestBitmap.getInFile ("bitmaps/almogaver24bits1.bmp"), FileMode.Open);
  65                         int length = (int) stream.Length;
  66                         imageBytes = new byte [length];
  67
  68                         try {
  69                                 if (stream.Read (imageBytes, 0, length) != length)
  70                                         Assert.Fail ("SU#1: Read Failure");
  71                         } catch (Exception e) {
  72                                 Assert.Fail ("SU#2 Exception thrown while reading. Exception is: "+e.Message);
  73                         } finally {
  74                                 stream.Close ();
  75                         }
  76
  77                         stream.Close ();
  78
  79                 }
  80
  81                 [Test]
  82                 public void TestCanConvertFrom ()
  83                 {
  84                         Assert.IsTrue (imgConv.CanConvertFrom (typeof (byte [])), "CCF#1");
  85                         Assert.IsTrue (imgConv.CanConvertFrom (null, typeof (byte [])), "CCF#1a");
  86                         Assert.IsTrue (imgConv.CanConvertFrom (null, imageBytes.GetType ()), "CCF#1b");
  87                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (String)), "CCF#2");
  88                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Rectangle)), "CCF#3");
  89                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Point)), "CCF#4");
  90                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (PointF)), "CCF#5");
  91                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Size)), "CCF#6");
  92                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (SizeF)), "CCF#7");
  93                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Object)), "CCF#8");
  94                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (int)), "CCF#9");
  95                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Metafile)), "CCF#10");
  96
  97                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (typeof (byte [])), "CCF#1A");
  98                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (null, typeof (byte [])), "CCF#1aA");
  99                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (null, imageBytes.GetType ()), "CCF#1bA");
 100                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (String)), "CCF#2A");
 101                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Rectangle)), "CCF#3A");
 102                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Point)), "CCF#4A");
 103                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (PointF)), "CCF#5A");
 104                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Size)), "CCF#6A");
 105                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (SizeF)), "CCF#7A");
 106                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Object)), "CCF#8A");
 107                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (int)), "CCF#9A");
 108                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Metafile)), "CCF#10A");
 109
 110                 }
 111
 112                 [Test]
 113                 public void TestCanConvertTo ()
 114                 {
 115                         Assert.IsTrue (imgConv.CanConvertTo (typeof (String)), "CCT#1");
 116                         Assert.IsTrue (imgConv.CanConvertTo (null, typeof (String)), "CCT#1a");
 117                         Assert.IsTrue (imgConv.CanConvertTo (null, imageStr.GetType ()), "CCT#1b");
 118                         Assert.IsTrue (imgConv.CanConvertTo (typeof (byte [])), "CCT#2");
 119                         Assert.IsTrue (imgConv.CanConvertTo (null, typeof (byte [])), "CCT#2a");
 120                         Assert.IsTrue (imgConv.CanConvertTo (null, imageBytes.GetType ()), "CCT#2b");
 121                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Rectangle)), "CCT#3");
 122                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Point)), "CCT#4");
 123                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (PointF)), "CCT#5");
 124                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Size)), "CCT#6");
 125                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (SizeF)), "CCT#7");
 126                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Object)), "CCT#8");
 127                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (int)), "CCT#9");
 128
 129                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (typeof (String)), "CCT#1A");
 130                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, typeof (String)), "CCT#1aA");
 131                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, imageStr.GetType ()), "CCT#1bA");
 132                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (typeof (byte [])), "CCT#2A");
 133                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, typeof (byte [])), "CCT#2aA");
 134                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, imageBytes.GetType ()), "CCT#2bA");
 135                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Rectangle)), "CCT#3A");
 136                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Point)), "CCT#4A");
 137                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (PointF)), "CCT#5A");
 138                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Size)), "CCT#6A");
 139                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (SizeF)), "CCT#7A");
 140                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Object)), "CCT#8A");
 141                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (int)), "CCT#9A");
 142
 143                 }
 144
 145                 [Test]
 146                 public void TestConvertFrom ()
 147                 {
 148                         Image newImage = (Image) imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, imageBytes);
 149
 150                         Assert.AreEqual (image.Height, newImage.Height, "CF#1");
 151                         Assert.AreEqual (image.Width, newImage.Width, "CF#1a");
 152
 153                         try {
 154                                 imgConv.ConvertFrom ("System.Drawing.String");
 155                                 Assert.Fail ("CF#2: must throw NotSupportedException");
 156                         } catch (Exception e) {
 157                                 Assert.IsTrue (e is NotSupportedException, "CF#2");
 158                         }
 159
 160                         try {
 161                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 162                                                    "System.Drawing.String");
 163                                 Assert.Fail ("CF#2a: must throw NotSupportedException");
 164                         } catch (Exception e) {
 165                                 Assert.IsTrue (e is NotSupportedException, "CF#2a");
 166                         }
 167
 168                         try {
 169                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 170                                                    new Bitmap (20, 20));
 171                                 Assert.Fail ("CF#3: must throw NotSupportedException");
 172                         } catch (Exception e) {
 173                                 Assert.IsTrue (e is NotSupportedException, "CF#3");
 174                         }
 175
 176                         try {
 177                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 178                                                    new Point (10, 10));
 179                                 Assert.Fail ("CF#4: must throw NotSupportedException");
 180                         } catch (Exception e) {
 181                                 Assert.IsTrue (e is NotSupportedException, "CF#4");
 182                         }
 183
 184                         try {
 185                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 186                                                    new SizeF (10, 10));
 187                                 Assert.Fail ("CF#5: must throw NotSupportedException");
 188                         } catch (Exception e) {
 189                                 Assert.IsTrue (e is NotSupportedException, "CF#5");
 190                         }
 191
 192                         try {
 193                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 194                                                    new Object ());
 195                                 Assert.Fail ("CF#6: must throw NotSupportedException");
 196                         } catch (Exception e) {
 197                                 Assert.IsTrue (e is NotSupportedException, "CF#6");
 198                         }
 199
 200
 201                         newImage = (Image) imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, imageBytes);
 202
 203                         Assert.AreEqual (image.Height, newImage.Height, "CF#1A");
 204                         Assert.AreEqual (image.Width, newImage.Width, "CF#1aA");
 205
 206
 207                         try {
 208                                 imgConvFrmTD.ConvertFrom ("System.Drawing.String");
 209                                 Assert.Fail ("CF#2A: must throw NotSupportedException");
 210                         } catch (Exception e) {
 211                                 Assert.IsTrue (e is NotSupportedException, "CF#2A");
 212                         }
 213
 214                         try {
 215                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 216                                                    "System.Drawing.String");
 217                                 Assert.Fail ("CF#2aA: must throw NotSupportedException");
 218                         } catch (Exception e) {
 219                                 Assert.IsTrue (e is NotSupportedException, "CF#2aA");
 220                         }
 221
 222                         try {
 223                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 224                                                    new Bitmap (20, 20));
 225                                 Assert.Fail ("CF#3A: must throw NotSupportedException");
 226                         } catch (Exception e) {
 227                                 Assert.IsTrue (e is NotSupportedException, "CF#3A");
 228                         }
 229
 230                         try {
 231                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 232                                                    new Point (10, 10));
 233                                 Assert.Fail ("CF#4A: must throw NotSupportedException");
 234                         } catch (Exception e) {
 235                                 Assert.IsTrue (e is NotSupportedException, "CF#4A");
 236                         }
 237
 238                         try {
 239                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 240                                                    new SizeF (10, 10));
 241                                 Assert.Fail ("CF#5A: must throw NotSupportedException");
 242                         } catch (Exception e) {
 243                                 Assert.IsTrue (e is NotSupportedException, "CF#5A");
 244                         }
 245
 246                         try {
 247                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 248                                                    new Object ());
 249                                 Assert.Fail ("CF#6A: must throw NotSupportedException");
 250                         } catch (Exception e) {
 251                                 Assert.IsTrue (e is NotSupportedException, "CF#6A");
 252                         }
 253
 254                 }
 255
 256                 [Test]
 257                 public void TestConvertTo ()
 258                 {
 259                         Assert.AreEqual (imageStr, (String) imgConv.ConvertTo (null,
 260                                                                 CultureInfo.InvariantCulture,
 261                                                                 image, typeof (String)), "CT#1");
 262
 263                         Assert.AreEqual (imageStr, (String) imgConv.ConvertTo (image,
 264                                                                         typeof (String)), "CT#1a");
 265
 266                         /*byte [] newImageBytes = (byte []) imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 267                                                                                         image, imageBytes.GetType ());
 268
 269                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2");
 270
 271                         newImageBytes = (byte []) imgConv.ConvertTo (image, imageBytes.GetType ());
 272
 273                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2a");
 274
 275                         try {
 276                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 277                                                  image, typeof (Rectangle));
 278                                 Assert.Fail ("CT#3: must throw NotSupportedException");
 279                         } catch (Exception e) {
 280                                 Assert.IsTrue (e is NotSupportedException, "CT#3");
 281                         }
 282
 283                         try {
 284                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 285                                                  image, image.GetType ());
 286                                 Assert.Fail ("CT#4: must throw NotSupportedException");
 287                         } catch (Exception e) {
 288                                 Assert.IsTrue (e is NotSupportedException, "CT#4");
 289                         }
 290
 291                         try {
 292                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 293                                                  image, typeof (Size));
 294                                 Assert.Fail ("CT#5: must throw NotSupportedException");
 295                         } catch (Exception e) {
 296                                 Assert.IsTrue (e is NotSupportedException, "CT#5");
 297                         }
 298
 299                         try {
 300                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 301                                                  image, typeof (Bitmap));
 302                                 Assert.Fail ("CT#6: must throw NotSupportedException");
 303                         } catch (Exception e) {
 304                                 Assert.IsTrue (e is NotSupportedException, "CT#6");
 305                         }
 306
 307                         try {
 308                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 309                                                  image, typeof (Point));
 310                                 Assert.Fail ("CT#7: must throw NotSupportedException");
 311                         } catch (Exception e) {
 312                                 Assert.IsTrue (e is NotSupportedException, "CT#7");
 313                         }
 314
 315                         try {
 316                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 317                                                  image, typeof (Metafile));
 318                                 Assert.Fail ("CT#8: must throw NotSupportedException");
 319                         } catch (Exception e) {
 320                                 Assert.IsTrue (e is NotSupportedException, "CT#8");
 321                         }
 322
 323                         try {
 324                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 325                                                  image, typeof (Object));
 326                                 Assert.Fail ("CT#9: must throw NotSupportedException");
 327                         } catch (Exception e) {
 328                                 Assert.IsTrue (e is NotSupportedException, "CT#9");
 329                         }
 330
 331                         try {
 332                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 333                                                  image, typeof (int));
 334                                 Assert.Fail ("CT#10: must throw NotSupportedException");
 335                         } catch (Exception e) {
 336                                 Assert.IsTrue (e is NotSupportedException, "CT#10");
 337                         }
 338                         */
 339
 340                         Assert.AreEqual (imageStr, (String) imgConvFrmTD.ConvertTo (null,
 341                                                                 CultureInfo.InvariantCulture,
 342                                                                 image, typeof (String)), "CT#1A");
 343
 344                         Assert.AreEqual (imageStr, (String) imgConvFrmTD.ConvertTo (image,
 345                                                                         typeof (String)), "CT#1aA");
 346
 347                         /*newImageBytes = (byte []) imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 348                                                                                         image, imageBytes.GetType ());
 349
 350                         Assert.AreEqual ( imageBytes.Length, newImageBytes.Length, "CT#2A");
 351
 352                         newImageBytes = (byte []) imgConvFrmTD.ConvertTo (image, imageBytes.GetType ());
 353
 354                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2aA");
 355
 356                         try {
 357                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 358                                                  image, typeof (Rectangle));
 359                                 Assert.Fail ("CT#3A: must throw NotSupportedException");
 360                         } catch (Exception e) {
 361                                 Assert.IsTrue (e is NotSupportedException, "CT#3A");
 362                         }
 363
 364                         try {
 365                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 366                                                  image, image.GetType ());
 367                                 Assert.Fail ("CT#4A: must throw NotSupportedException");
 368                         } catch (Exception e) {
 369                                 Assert.IsTrue (e is NotSupportedException, "CT#4A");
 370                         }
 371
 372                         try {
 373                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 374                                                  image, typeof (Size));
 375                                 Assert.Fail ("CT#5A: must throw NotSupportedException");
 376                         } catch (Exception e) {
 377                                 Assert.IsTrue (e is NotSupportedException, "CT#5A");
 378                         }
 379
 380                         try {
 381                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 382                                                  image, typeof (Bitmap));
 383                                 Assert.Fail ("CT#6A: must throw NotSupportedException");
 384                         } catch (Exception e) {
 385                                 Assert.IsTrue (e is NotSupportedException, "CT#6A");
 386                         }
 387
 388                         try {
 389                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 390                                                  image, typeof (Point));
 391                                 Assert.Fail ("CT#7A: must throw NotSupportedException");
 392                         } catch (Exception e) {
 393                                 Assert.IsTrue (e is NotSupportedException, "CT#7A");
 394                         }
 395
 396                         try {
 397                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 398                                                  image, typeof (Metafile));
 399                                 Assert.Fail ("CT#8A: must throw NotSupportedException");
 400                         } catch (Exception e) {
 401                                 Assert.IsTrue (e is NotSupportedException, "CT#8A");
 402                         }
 403
 404                         try {
 405                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 406                                                  image, typeof (Object));
 407                                 Assert.Fail ("CT#9A: must throw NotSupportedException");
 408                         } catch (Exception e) {
 409                                 Assert.IsTrue (e is NotSupportedException, "CT#9A");
 410                         }
 411
 412                         try {
 413                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 414                                                  image, typeof (int));
 415                                 Assert.Fail ("CT#10A: must throw NotSupportedException");
 416                         } catch (Exception e) {
 417                                 Assert.IsTrue (e is NotSupportedException, "CT#10A");
 418                         }*/
 419                 }
 420
 421
 422                 [Test]
 423                 public void TestGetPropertiesSupported ()
 424                 {
 425                         Assert.IsTrue (imgConv.GetPropertiesSupported (), "GPS#1");
 426                         Assert.IsTrue (imgConv.GetPropertiesSupported (null), "GPS#2");
 427                 }
 428
 429                 [Test]
 430                 [Ignore ("This test fails because of bug #58435")]
 431                 public void TestGetProperties ()
 432                 {
 433                         PropertyDescriptorCollection propsColl;
 434
 435                         propsColl = imgConv.GetProperties (null, image, null);
 436                         Assert.AreEqual (13, propsColl.Count, "GP1#1");
 437
 438                         propsColl = imgConv.GetProperties (null, image);
 439                         Assert.AreEqual (6, propsColl.Count, "GP1#2");
 440
 441                         propsColl = imgConv.GetProperties (image);
 442                         Assert.AreEqual (6, propsColl.Count, "GP1#3");
 443
 444                         propsColl = TypeDescriptor.GetProperties (typeof (Image));
 445                         Assert.AreEqual (13, propsColl.Count, "GP1#4");
 446
 447                         propsColl = imgConvFrmTD.GetProperties (null, image, null);
 448                         Assert.AreEqual (13, propsColl.Count, "GP1#1A");
 449
 450                         propsColl = imgConvFrmTD.GetProperties (null, image);
 451                         Assert.AreEqual (6, propsColl.Count, "GP1#2A");
 452
 453                         propsColl = imgConvFrmTD.GetProperties (image);
 454                         Assert.AreEqual (6, propsColl.Count, "GP1#3A");
 455
 456                 }
 457         }
 458 }