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

   1 //
   2 // Tests for System.Drawing.ImageConverter.cs
   3 //
   4 // Authors:
   5 //      Sanjay Gupta (gsanjay@novell.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // Copyright (C) 2004, 2006 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30
  31 using NUnit.Framework;
  32 using System;
  33 using System.Drawing;
  34 using System.Drawing.Imaging;
  35 using System.Collections;
  36 using System.ComponentModel;
  37 using System.Globalization;
  38 using System.IO;
  39 using System.Security.Permissions;
  40
  41 namespace MonoTests.System.Drawing
  42 {
  43         [TestFixture]
  44         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  45         public class ImageConverterTest
  46         {
  47                 Image image;
  48                 ImageConverter imgConv;
  49                 ImageConverter imgConvFrmTD;
  50                 String imageStr;
  51                 byte [] imageBytes;
  52
  53                 [SetUp]
  54                 public void SetUp ()
  55                 {
  56                         image = Image.FromFile (TestBitmap.getInFile ("bitmaps/almogaver24bits.bmp"));
  57                         imageStr = image.ToString ();
  58
  59                         imgConv = new ImageConverter();
  60                         imgConvFrmTD = (ImageConverter) TypeDescriptor.GetConverter (image);
  61
  62                         Stream stream = new FileStream (TestBitmap.getInFile ("bitmaps/almogaver24bits1.bmp"), FileMode.Open);
  63                         int length = (int) stream.Length;
  64                         imageBytes = new byte [length];
  65
  66                         try {
  67                                 if (stream.Read (imageBytes, 0, length) != length)
  68                                         Assert.Fail ("SU#1: Read Failure");
  69                         } catch (Exception e) {
  70                                 Assert.Fail ("SU#2 Exception thrown while reading. Exception is: "+e.Message);
  71                         } finally {
  72                                 stream.Close ();
  73                         }
  74
  75                         stream.Close ();
  76
  77                 }
  78
  79                 [Test]
  80                 public void TestCanConvertFrom ()
  81                 {
  82                         Assert.IsTrue (imgConv.CanConvertFrom (typeof (byte [])), "CCF#1");
  83                         Assert.IsTrue (imgConv.CanConvertFrom (null, typeof (byte [])), "CCF#1a");
  84                         Assert.IsTrue (imgConv.CanConvertFrom (null, imageBytes.GetType ()), "CCF#1b");
  85                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (String)), "CCF#2");
  86                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Rectangle)), "CCF#3");
  87                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Point)), "CCF#4");
  88                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (PointF)), "CCF#5");
  89                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Size)), "CCF#6");
  90                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (SizeF)), "CCF#7");
  91                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Object)), "CCF#8");
  92                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (int)), "CCF#9");
  93                         Assert.IsTrue (! imgConv.CanConvertFrom (null, typeof (Metafile)), "CCF#10");
  94
  95                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (typeof (byte [])), "CCF#1A");
  96                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (null, typeof (byte [])), "CCF#1aA");
  97                         Assert.IsTrue (imgConvFrmTD.CanConvertFrom (null, imageBytes.GetType ()), "CCF#1bA");
  98                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (String)), "CCF#2A");
  99                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Rectangle)), "CCF#3A");
 100                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Point)), "CCF#4A");
 101                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (PointF)), "CCF#5A");
 102                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Size)), "CCF#6A");
 103                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (SizeF)), "CCF#7A");
 104                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Object)), "CCF#8A");
 105                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (int)), "CCF#9A");
 106                         Assert.IsTrue (! imgConvFrmTD.CanConvertFrom (null, typeof (Metafile)), "CCF#10A");
 107
 108                 }
 109
 110                 [Test]
 111                 public void TestCanConvertTo ()
 112                 {
 113                         Assert.IsTrue (imgConv.CanConvertTo (typeof (String)), "CCT#1");
 114                         Assert.IsTrue (imgConv.CanConvertTo (null, typeof (String)), "CCT#1a");
 115                         Assert.IsTrue (imgConv.CanConvertTo (null, imageStr.GetType ()), "CCT#1b");
 116                         Assert.IsTrue (imgConv.CanConvertTo (typeof (byte [])), "CCT#2");
 117                         Assert.IsTrue (imgConv.CanConvertTo (null, typeof (byte [])), "CCT#2a");
 118                         Assert.IsTrue (imgConv.CanConvertTo (null, imageBytes.GetType ()), "CCT#2b");
 119                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Rectangle)), "CCT#3");
 120                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Point)), "CCT#4");
 121                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (PointF)), "CCT#5");
 122                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Size)), "CCT#6");
 123                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (SizeF)), "CCT#7");
 124                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (Object)), "CCT#8");
 125                         Assert.IsTrue (! imgConv.CanConvertTo (null, typeof (int)), "CCT#9");
 126
 127                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (typeof (String)), "CCT#1A");
 128                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, typeof (String)), "CCT#1aA");
 129                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, imageStr.GetType ()), "CCT#1bA");
 130                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (typeof (byte [])), "CCT#2A");
 131                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, typeof (byte [])), "CCT#2aA");
 132                         Assert.IsTrue (imgConvFrmTD.CanConvertTo (null, imageBytes.GetType ()), "CCT#2bA");
 133                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Rectangle)), "CCT#3A");
 134                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Point)), "CCT#4A");
 135                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (PointF)), "CCT#5A");
 136                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Size)), "CCT#6A");
 137                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (SizeF)), "CCT#7A");
 138                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (Object)), "CCT#8A");
 139                         Assert.IsTrue (! imgConvFrmTD.CanConvertTo (null, typeof (int)), "CCT#9A");
 140
 141                 }
 142
 143                 [Test]
 144                 public void ConvertFrom ()
 145                 {
 146                         Image newImage = (Image) imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, imageBytes);
 147
 148                         Assert.AreEqual (image.Height, newImage.Height, "CF#1");
 149                         Assert.AreEqual (image.Width, newImage.Width, "CF#1a");
 150
 151                         Assert.AreEqual ("(none)", imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, null, typeof (string)), "Null/Empty");
 152
 153                         newImage = (Image) imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, imageBytes);
 154
 155                         Assert.AreEqual (image.Height, newImage.Height, "CF#1A");
 156                         Assert.AreEqual (image.Width, newImage.Width, "CF#1aA");
 157                 }
 158
 159                 [Test]
 160                 [ExpectedException (typeof (NotSupportedException))]
 161                 public void ConvertFrom_BadString ()
 162                 {
 163                         imgConv.ConvertFrom ("System.Drawing.String");
 164                 }
 165
 166                 [Test]
 167                 [ExpectedException (typeof (NotSupportedException))]
 168                 public void ConvertFrom_BadString_WithCulture ()
 169                 {
 170                         imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, "System.Drawing.String");
 171                 }
 172
 173                 [Test]
 174                 [ExpectedException (typeof (NotSupportedException))]
 175                 public void ConvertFrom_Bitmap ()
 176                 {
 177                         imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, new Bitmap (20, 20));
 178                 }
 179
 180                 [Test]
 181                 [ExpectedException (typeof (NotSupportedException))]
 182                 public void ConvertFrom_Point ()
 183                 {
 184                         imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, new Point (10, 10));
 185                 }
 186
 187                 [Test]
 188                 [ExpectedException (typeof (NotSupportedException))]
 189                 public void ConvertFrom_SizeF ()
 190                 {
 191                         imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, new SizeF (10, 10));
 192                 }
 193
 194                 [Test]
 195                 [ExpectedException (typeof (NotSupportedException))]
 196                 public void ConvertFrom_Object ()
 197                 {
 198                         imgConv.ConvertFrom (null, CultureInfo.InvariantCulture, new Object ());
 199                 }
 200
 201                 [Test]
 202                 [ExpectedException (typeof (NotSupportedException))]
 203                 public void TypeDescriptor_ConvertFrom_BadString ()
 204                 {
 205                         imgConvFrmTD.ConvertFrom ("System.Drawing.String");
 206                 }
 207
 208                 [Test]
 209                 [ExpectedException (typeof (NotSupportedException))]
 210                 public void TypeDescriptor_ConvertFrom_BadString_Culture ()
 211                 {
 212                         imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, "System.Drawing.String");
 213                 }
 214
 215                 [Test]
 216                 [ExpectedException (typeof (NotSupportedException))]
 217                 public void TypeDescriptor_ConvertFrom_Bitmap ()
 218                 {
 219                         imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, new Bitmap (20, 20));
 220                 }
 221
 222                 [Test]
 223                 [ExpectedException (typeof (NotSupportedException))]
 224                 public void TypeDescriptor_ConvertFrom_Point ()
 225                 {
 226                         imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, new Point (10, 10));
 227                 }
 228
 229                 [Test]
 230                 [ExpectedException (typeof (NotSupportedException))]
 231                 public void TypeDescriptor_ConvertFrom_SizeF ()
 232                 {
 233                         imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, new SizeF (10, 10));
 234                 }
 235
 236                 [Test]
 237                 [ExpectedException (typeof (NotSupportedException))]
 238                 public void TypeDescriptor_ConvertFrom_Object ()
 239                 {
 240                         imgConvFrmTD.ConvertFrom (null, CultureInfo.InvariantCulture, new Object ());
 241                 }
 242
 243                 [Test]
 244                 public void ConvertTo ()
 245                 {
 246                         Assert.AreEqual (imageStr, (String) imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 247                                 image, typeof (string)), "CT#1");
 248
 249                         Assert.AreEqual (imageStr, (String) imgConv.ConvertTo (image, typeof (string)), "CT#1a");
 250
 251                         Assert.AreEqual (imageStr, (String) imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 252                                 image, typeof (string)), "CT#1A");
 253
 254                         Assert.AreEqual (imageStr, (String) imgConvFrmTD.ConvertTo (image, typeof (string)), "CT#1aA");
 255                 }
 256
 257                 [Test]
 258                 [NUnit.Framework.Category ("NotWorking")]
 259                 public void ConvertTo_ByteArray ()
 260                 {
 261                         byte[] newImageBytes = (byte[]) imgConv.ConvertTo (null, CultureInfo.InvariantCulture,
 262                                 image, imageBytes.GetType ());
 263
 264                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2");
 265
 266                         newImageBytes = (byte[]) imgConv.ConvertTo (image, imageBytes.GetType ());
 267
 268                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2a");
 269
 270                         newImageBytes = (byte[]) imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture,
 271                                 image, imageBytes.GetType ());
 272
 273                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2A");
 274
 275                         newImageBytes = (byte[]) imgConvFrmTD.ConvertTo (image, imageBytes.GetType ());
 276
 277                         Assert.AreEqual (imageBytes.Length, newImageBytes.Length, "CT#2aA");
 278                 }
 279
 280                 [Test]
 281                 [ExpectedException (typeof (NotSupportedException))]
 282                 public void ConvertTo_Rectangle ()
 283                 {
 284                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Rectangle));
 285                 }
 286
 287                 [Test]
 288                 [ExpectedException (typeof (NotSupportedException))]
 289                 public void ConvertTo_Image ()
 290                 {
 291                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, image.GetType ());
 292                 }
 293
 294                 [Test]
 295                 [ExpectedException (typeof (NotSupportedException))]
 296                 public void ConvertTo_Size ()
 297                 {
 298                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Size));
 299                 }
 300
 301                 [Test]
 302                 [ExpectedException (typeof (NotSupportedException))]
 303                 public void ConvertTo_Bitmap ()
 304                 {
 305                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Bitmap));
 306                 }
 307
 308                 [Test]
 309                 [ExpectedException (typeof (NotSupportedException))]
 310                 public void ConvertTo_Point ()
 311                 {
 312                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Point));
 313                 }
 314
 315                 [Test]
 316                 [ExpectedException (typeof (NotSupportedException))]
 317                 public void ConvertTo_Metafile ()
 318                 {
 319                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Metafile));
 320                 }
 321
 322                 [Test]
 323                 [ExpectedException (typeof (NotSupportedException))]
 324                 public void ConvertTo_Object ()
 325                 {
 326                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Object));
 327                 }
 328
 329                 [Test]
 330                 [ExpectedException (typeof (NotSupportedException))]
 331                 public void ConvertTo_Int ()
 332                 {
 333                         imgConv.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (int));
 334                 }
 335
 336                 [Test]
 337                 [ExpectedException (typeof (NotSupportedException))]
 338                 public void TypeDescriptor_ConvertTo_Rectangle ()
 339                 {
 340                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Rectangle));
 341                 }
 342
 343                 [Test]
 344                 [ExpectedException (typeof (NotSupportedException))]
 345                 public void TypeDescriptor_ConvertTo_Image ()
 346                 {
 347                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, image.GetType ());
 348                 }
 349
 350                 [Test]
 351                 [ExpectedException (typeof (NotSupportedException))]
 352                 public void TypeDescriptor_ConvertTo_Size ()
 353                 {
 354                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Size));
 355                 }
 356
 357                 [Test]
 358                 [ExpectedException (typeof (NotSupportedException))]
 359                 public void TypeDescriptor_ConvertTo_Bitmap ()
 360                 {
 361                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Bitmap));
 362                 }
 363
 364                 [Test]
 365                 [ExpectedException (typeof (NotSupportedException))]
 366                 public void TypeDescriptor_ConvertTo_Point ()
 367                 {
 368                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Point));
 369                 }
 370
 371                 [Test]
 372                 [ExpectedException (typeof (NotSupportedException))]
 373                 public void TypeDescriptor_ConvertTo_Metafile ()
 374                 {
 375                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Metafile));
 376                 }
 377
 378                 [Test]
 379                 [ExpectedException (typeof (NotSupportedException))]
 380                 public void TypeDescriptor_ConvertTo_Object ()
 381                 {
 382                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (Object));
 383                 }
 384
 385                 [Test]
 386                 [ExpectedException (typeof (NotSupportedException))]
 387                 public void TypeDescriptor_ConvertTo_Int ()
 388                 {
 389                         imgConvFrmTD.ConvertTo (null, CultureInfo.InvariantCulture, image, typeof (int));
 390                 }
 391
 392                 [Test]
 393                 public void TestGetPropertiesSupported ()
 394                 {
 395                         Assert.IsTrue (imgConv.GetPropertiesSupported (), "GPS#1");
 396                         Assert.IsTrue (imgConv.GetPropertiesSupported (null), "GPS#2");
 397                 }
 398
 399                 [Test]
 400                 public void TestGetProperties ()
 401                 {
 402                         int basecount = 1;
 403                         PropertyDescriptorCollection propsColl;
 404
 405                         propsColl = imgConv.GetProperties (null, image, null);
 406                         Assert.AreEqual (13 + basecount, propsColl.Count, "GP1#1");
 407
 408                         propsColl = imgConv.GetProperties (null, image);
 409                         Assert.AreEqual (6 + basecount, propsColl.Count, "GP1#2");
 410
 411                         propsColl = imgConv.GetProperties (image);
 412                         Assert.AreEqual (6 + basecount, propsColl.Count, "GP1#3");
 413
 414                         propsColl = TypeDescriptor.GetProperties (typeof (Image));
 415                         Assert.AreEqual (13 + basecount, propsColl.Count, "GP1#4");
 416
 417                         propsColl = imgConvFrmTD.GetProperties (null, image, null);
 418                         Assert.AreEqual (13 + basecount, propsColl.Count, "GP1#1A");
 419
 420                         propsColl = imgConvFrmTD.GetProperties (null, image);
 421                         Assert.AreEqual (6 + basecount, propsColl.Count, "GP1#2A");
 422
 423                         propsColl = imgConvFrmTD.GetProperties (image);
 424                         Assert.AreEqual (6 + basecount, propsColl.Count, "GP1#3A");
 425                 }
 426         }
 427 }