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 using System.Security.Permissions;
  41
  42 namespace MonoTests.System.Drawing
  43 {
  44         [TestFixture]
  45         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  46         public class ImageConverterTest
  47         {
  48                 Image image;
  49                 ImageConverter imgConv;
  50                 ImageConverter imgConvFrmTD;
  51                 String imageStr;
  52                 byte [] imageBytes;
  53
  54                 [TearDown]
  55                 public void TearDown () {}
  56
  57                 [SetUp]
  58                 public void SetUp ()
  59                 {
  60                         image = Image.FromFile (TestBitmap.getInFile ("bitmaps/almogaver24bits.bmp"));
  61                         imageStr = image.ToString ();
  62
  63                         imgConv = new ImageConverter();
  64                         imgConvFrmTD = (ImageConverter) TypeDescriptor.GetConverter (image);
  65
  66                         Stream stream = new FileStream (TestBitmap.getInFile ("bitmaps/almogaver24bits1.bmp"), FileMode.Open);
  67                         int length = (int) stream.Length;
  68                         imageBytes = new byte [length];
  69
  70                         try {
  71                                 if (stream.Read (imageBytes, 0, length) != length)
  72                                         Assert.Fail ("SU#1: Read Failure");
  73                         } catch (Exception e) {
  74                                 Assert.Fail ("SU#2 Exception thrown while reading. Exception is: "+e.Message);
  75                         } finally {
  76                                 stream.Close ();
  77                         }
  78
  79                         stream.Close ();
  80
  81                 }
  82
  83                 [Test]
  84                 public void TestCanConvertFrom ()
  85                 {
  86                         Assert.IsTrue (imgConv.CanConvertFrom (typeof (byte [])), "CCF#1");
  87                         Assert.IsTrue (imgConv.CanConvertFrom (null, typeof (byte [])), "CCF#1a");
  88                         Assert.IsTrue (imgConv.CanConvertFrom (null, imageBytes.GetType ()), "CCF#1b");
  89                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (String)), "CCF#2");
  90                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Rectangle)), "CCF#3");
  91                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Point)), "CCF#4");
  92                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (PointF)), "CCF#5");
  93                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Size)), "CCF#6");
  94                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (SizeF)), "CCF#7");
  95                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Object)), "CCF#8");
  96                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (int)), "CCF#9");
  97                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Metafile)), "CCF#10");
  98
  99                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (typeof (byte [])), "CCF#1A");
 100                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (null, typeof (byte [])), "CCF#1aA");
 101                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (null, imageBytes.GetType ()), "CCF#1bA");
 102                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (String)), "CCF#2A");
 103                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Rectangle)), "CCF#3A");
 104                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Point)), "CCF#4A");
 105                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (PointF)), "CCF#5A");
 106                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Size)), "CCF#6A");
 107                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (SizeF)), "CCF#7A");
 108                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Object)), "CCF#8A");
 109                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (int)), "CCF#9A");
 110                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Metafile)), "CCF#10A");
 111
 112                 }
 113
 114                 [Test]
 115                 public void TestCanConvertTo ()
 116                 {
 117                         Assert.IsTrue (imgConv.CanConvertTo (typeof (String)), "CCT#1");
 118                         Assert.IsTrue (imgConv.CanConvertTo (null, typeof (String)), "CCT#1a");
 119                         Assert.IsTrue (imgConv.CanConvertTo (null, imageStr.GetType ()), "CCT#1b");
 120                         Assert.IsTrue (imgConv.CanConvertTo (typeof (byte [])), "CCT#2");
 121                         Assert.IsTrue (imgConv.CanConvertTo (null, typeof (byte [])), "CCT#2a");
 122                         Assert.IsTrue (imgConv.CanConvertTo (null, imageBytes.GetType ()), "CCT#2b");
 123                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Rectangle)), "CCT#3");
 124                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Point)), "CCT#4");
 125                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (PointF)), "CCT#5");
 126                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Size)), "CCT#6");
 127                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (SizeF)), "CCT#7");
 128                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Object)), "CCT#8");
 129                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (int)), "CCT#9");
 130
 131                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (typeof (String)), "CCT#1A");
 132                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, typeof (String)), "CCT#1aA");
 133                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, imageStr.GetType ()), "CCT#1bA");
 134                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (typeof (byte [])), "CCT#2A");
 135                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, typeof (byte [])), "CCT#2aA");
 136                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, imageBytes.GetType ()), "CCT#2bA");
 137                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Rectangle)), "CCT#3A");
 138                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Point)), "CCT#4A");
 139                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (PointF)), "CCT#5A");
 140                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Size)), "CCT#6A");
 141                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (SizeF)), "CCT#7A");
 142                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Object)), "CCT#8A");
 143                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (int)), "CCT#9A");
 144
 145                 }
 146
 147                 [Test]
 148                 public void TestConvertFrom ()
 149                 {
 150                         Image newImage = (Image) imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, imageBytes);
 151
 152                         Assert.AreEqual (image.Height, newImage.Height, "CF#1");
 153                         Assert.AreEqual (image.Width, newImage.Width, "CF#1a");
 154
 155                         try {
 156                                 imgConv.ConvertFrom ("System.Drawing.String");
 157                                 Assert.Fail ("CF#2: must throw NotSupportedException");
 158                         } catch (Exception e) {
 159                                 Assert.IsTrue (e is NotSupportedException, "CF#2");
 160                         }
 161
 162                         try {
 163                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 164                                                    "System.Drawing.String");
 165                                 Assert.Fail ("CF#2a: must throw NotSupportedException");
 166                         } catch (Exception e) {
 167                                 Assert.IsTrue (e is NotSupportedException, "CF#2a");
 168                         }
 169
 170                         try {
 171                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 172                                                    new Bitmap (20, 20));
 173                                 Assert.Fail ("CF#3: must throw NotSupportedException");
 174                         } catch (Exception e) {
 175                                 Assert.IsTrue (e is NotSupportedException, "CF#3");
 176                         }
 177
 178                         try {
 179                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 180                                                    new Point (10, 10));
 181                                 Assert.Fail ("CF#4: must throw NotSupportedException");
 182                         } catch (Exception e) {
 183                                 Assert.IsTrue (e is NotSupportedException, "CF#4");
 184                         }
 185
 186                         try {
 187                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 188                                                    new SizeF (10, 10));
 189                                 Assert.Fail ("CF#5: must throw NotSupportedException");
 190                         } catch (Exception e) {
 191                                 Assert.IsTrue (e is NotSupportedException, "CF#5");
 192                         }
 193
 194                         try {
 195                                 imgConv.ConvertFrom (null, CultureInfo.InvariantCulture,
 196                                                    new Object ());
 197                                 Assert.Fail ("CF#6: must throw NotSupportedException");
 198                         } catch (Exception e) {
 199                                 Assert.IsTrue (e is NotSupportedException, "CF#6");
 200                         }
 201
 202
 203                         newImage = (Image) imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, imageBytes);
 204
 205                         Assert.AreEqual (image.Height, newImage.Height, "CF#1A");
 206                         Assert.AreEqual (image.Width, newImage.Width, "CF#1aA");
 207
 208
 209                         try {
 210                                 imgConvFrmTD.ConvertFrom ("System.Drawing.String");
 211                                 Assert.Fail ("CF#2A: must throw NotSupportedException");
 212                         } catch (Exception e) {
 213                                 Assert.IsTrue (e is NotSupportedException, "CF#2A");
 214                         }
 215
 216                         try {
 217                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 218                                                    "System.Drawing.String");
 219                                 Assert.Fail ("CF#2aA: must throw NotSupportedException");
 220                         } catch (Exception e) {
 221                                 Assert.IsTrue (e is NotSupportedException, "CF#2aA");
 222                         }
 223
 224                         try {
 225                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 226                                                    new Bitmap (20, 20));
 227                                 Assert.Fail ("CF#3A: must throw NotSupportedException");
 228                         } catch (Exception e) {
 229                                 Assert.IsTrue (e is NotSupportedException, "CF#3A");
 230                         }
 231
 232                         try {
 233                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 234                                                    new Point (10, 10));
 235                                 Assert.Fail ("CF#4A: must throw NotSupportedException");
 236                         } catch (Exception e) {
 237                                 Assert.IsTrue (e is NotSupportedException, "CF#4A");
 238                         }
 239
 240                         try {
 241                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 242                                                    new SizeF (10, 10));
 243                                 Assert.Fail ("CF#5A: must throw NotSupportedException");
 244                         } catch (Exception e) {
 245                                 Assert.IsTrue (e is NotSupportedException, "CF#5A");
 246                         }
 247
 248                         try {
 249                                 imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture,
 250                                                    new Object ());
 251                                 Assert.Fail ("CF#6A: must throw NotSupportedException");
 252                         } catch (Exception e) {
 253                                 Assert.IsTrue (e is NotSupportedException, "CF#6A");
 254                         }
 255
 256                 }
 257
 258                 [Test]
 259                 public void TestConvertTo ()
 260                 {
 261                         Assert.AreEqual (imageStr, (String) imgConv.ConvertTo (null,
 262                                                                 CultureInfo.InvariantCulture,
 263                                                                 image, typeof (String)), "CT#1");
 264
 265                         Assert.AreEqual (imageStr, (String) imgConv.ConvertTo (image,
 266                                                                         typeof (String)), "CT#1a");
 267
 268                         /*byte [] newImageBytes = (byte []) imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 269                                                                                         image, imageBytes.GetType ());
 270
 271                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2");
 272
 273                         newImageBytes = (byte []) imgConv.ConvertTo (image, imageBytes.GetType ());
 274
 275                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2a");
 276
 277                         try {
 278                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 279                                                  image, typeof (Rectangle));
 280                                 Assert.Fail ("CT#3: must throw NotSupportedException");
 281                         } catch (Exception e) {
 282                                 Assert.IsTrue (e is NotSupportedException, "CT#3");
 283                         }
 284
 285                         try {
 286                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 287                                                  image, image.GetType ());
 288                                 Assert.Fail ("CT#4: must throw NotSupportedException");
 289                         } catch (Exception e) {
 290                                 Assert.IsTrue (e is NotSupportedException, "CT#4");
 291                         }
 292
 293                         try {
 294                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 295                                                  image, typeof (Size));
 296                                 Assert.Fail ("CT#5: must throw NotSupportedException");
 297                         } catch (Exception e) {
 298                                 Assert.IsTrue (e is NotSupportedException, "CT#5");
 299                         }
 300
 301                         try {
 302                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 303                                                  image, typeof (Bitmap));
 304                                 Assert.Fail ("CT#6: must throw NotSupportedException");
 305                         } catch (Exception e) {
 306                                 Assert.IsTrue (e is NotSupportedException, "CT#6");
 307                         }
 308
 309                         try {
 310                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 311                                                  image, typeof (Point));
 312                                 Assert.Fail ("CT#7: must throw NotSupportedException");
 313                         } catch (Exception e) {
 314                                 Assert.IsTrue (e is NotSupportedException, "CT#7");
 315                         }
 316
 317                         try {
 318                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 319                                                  image, typeof (Metafile));
 320                                 Assert.Fail ("CT#8: must throw NotSupportedException");
 321                         } catch (Exception e) {
 322                                 Assert.IsTrue (e is NotSupportedException, "CT#8");
 323                         }
 324
 325                         try {
 326                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 327                                                  image, typeof (Object));
 328                                 Assert.Fail ("CT#9: must throw NotSupportedException");
 329                         } catch (Exception e) {
 330                                 Assert.IsTrue (e is NotSupportedException, "CT#9");
 331                         }
 332
 333                         try {
 334                                 imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 335                                                  image, typeof (int));
 336                                 Assert.Fail ("CT#10: must throw NotSupportedException");
 337                         } catch (Exception e) {
 338                                 Assert.IsTrue (e is NotSupportedException, "CT#10");
 339                         }
 340                         */
 341
 342                         Assert.AreEqual (imageStr, (String) imgConvFrmTD.ConvertTo (null,
 343                                                                 CultureInfo.InvariantCulture,
 344                                                                 image, typeof (String)), "CT#1A");
 345
 346                         Assert.AreEqual (imageStr, (String) imgConvFrmTD.ConvertTo (image,
 347                                                                         typeof (String)), "CT#1aA");
 348
 349                         /*newImageBytes = (byte []) imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 350                                                                                         image, imageBytes.GetType ());
 351
 352                         Assert.AreEqual ( imageBytes.Length, newImageBytes.Length, "CT#2A");
 353
 354                         newImageBytes = (byte []) imgConvFrmTD.ConvertTo (image, imageBytes.GetType ());
 355
 356                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2aA");
 357
 358                         try {
 359                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 360                                                  image, typeof (Rectangle));
 361                                 Assert.Fail ("CT#3A: must throw NotSupportedException");
 362                         } catch (Exception e) {
 363                                 Assert.IsTrue (e is NotSupportedException, "CT#3A");
 364                         }
 365
 366                         try {
 367                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 368                                                  image, image.GetType ());
 369                                 Assert.Fail ("CT#4A: must throw NotSupportedException");
 370                         } catch (Exception e) {
 371                                 Assert.IsTrue (e is NotSupportedException, "CT#4A");
 372                         }
 373
 374                         try {
 375                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 376                                                  image, typeof (Size));
 377                                 Assert.Fail ("CT#5A: must throw NotSupportedException");
 378                         } catch (Exception e) {
 379                                 Assert.IsTrue (e is NotSupportedException, "CT#5A");
 380                         }
 381
 382                         try {
 383                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 384                                                  image, typeof (Bitmap));
 385                                 Assert.Fail ("CT#6A: must throw NotSupportedException");
 386                         } catch (Exception e) {
 387                                 Assert.IsTrue (e is NotSupportedException, "CT#6A");
 388                         }
 389
 390                         try {
 391                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 392                                                  image, typeof (Point));
 393                                 Assert.Fail ("CT#7A: must throw NotSupportedException");
 394                         } catch (Exception e) {
 395                                 Assert.IsTrue (e is NotSupportedException, "CT#7A");
 396                         }
 397
 398                         try {
 399                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 400                                                  image, typeof (Metafile));
 401                                 Assert.Fail ("CT#8A: must throw NotSupportedException");
 402                         } catch (Exception e) {
 403                                 Assert.IsTrue (e is NotSupportedException, "CT#8A");
 404                         }
 405
 406                         try {
 407                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 408                                                  image, typeof (Object));
 409                                 Assert.Fail ("CT#9A: must throw NotSupportedException");
 410                         } catch (Exception e) {
 411                                 Assert.IsTrue (e is NotSupportedException, "CT#9A");
 412                         }
 413
 414                         try {
 415                                 imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 416                                                  image, typeof (int));
 417                                 Assert.Fail ("CT#10A: must throw NotSupportedException");
 418                         } catch (Exception e) {
 419                                 Assert.IsTrue (e is NotSupportedException, "CT#10A");
 420                         }*/
 421                 }
 422
 423
 424                 [Test]
 425                 public void TestGetPropertiesSupported ()
 426                 {
 427                         Assert.IsTrue (imgConv.GetPropertiesSupported (), "GPS#1");
 428                         Assert.IsTrue (imgConv.GetPropertiesSupported (null), "GPS#2");
 429                 }
 430
 431                 [Test]
 432                 public void TestGetProperties ()
 433                 {
 434                         PropertyDescriptorCollection propsColl;
 435
 436                         propsColl = imgConv.GetProperties (null, image, null);
 437                         Assert.AreEqual (13, propsColl.Count, "GP1#1");
 438
 439                         propsColl = imgConv.GetProperties (null, image);
 440                         Assert.AreEqual (6, propsColl.Count, "GP1#2");
 441
 442                         propsColl = imgConv.GetProperties (image);
 443                         Assert.AreEqual (6, propsColl.Count, "GP1#3");
 444
 445                         propsColl = TypeDescriptor.GetProperties (typeof (Image));
 446                         Assert.AreEqual (13, propsColl.Count, "GP1#4");
 447
 448                         propsColl = imgConvFrmTD.GetProperties (null, image, null);
 449                         Assert.AreEqual (13, propsColl.Count, "GP1#1A");
 450
 451                         propsColl = imgConvFrmTD.GetProperties (null, image);
 452                         Assert.AreEqual (6, propsColl.Count, "GP1#2A");
 453
 454                         propsColl = imgConvFrmTD.GetProperties (image);
 455                         Assert.AreEqual (6, propsColl.Count, "GP1#3A");
 456
 457                 }
 458         }
 459 }