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

   1 //
   2 // Direct GDI+ API unit tests
   3 //
   4 // Authors:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Drawing;
  31 using System.Drawing.Drawing2D;
  32 using System.Drawing.Imaging;
  33 using System.Runtime.InteropServices;
  34 using NUnit.Framework;
  35
  36 namespace MonoTests.System.Drawing {
  37
  38         [TestFixture]
  39         public class GDIPlusTest {
  40
  41                 // for the moment this LOGFONT is different (and ok) from the one defined internally in SD
  42                 [StructLayout (LayoutKind.Sequential, CharSet = CharSet.Auto)]
  43                 public class LOGFONT {
  44                         public int lfHeight = 0;
  45                         public int lfWidth = 0;
  46                         public int lfEscapement = 0;
  47                         public int lfOrientation = 0;
  48                         public int lfWeight = 0;
  49                         public byte lfItalic = 0;
  50                         public byte lfUnderline = 0;
  51                         public byte lfStrikeOut = 0;
  52                         public byte lfCharSet = 0;
  53                         public byte lfOutPrecision = 0;
  54                         public byte lfClipPrecision = 0;
  55                         public byte lfQuality = 0;
  56                         public byte lfPitchAndFamily = 0;
  57                         [MarshalAs (UnmanagedType.ByValTStr, SizeConst = 32)]
  58                         public string lfFaceName = null;
  59                 }
  60
  61                 // FontFamily
  62                 [Test]
  63                 public void DeleteFontFamily ()
  64                 {
  65                         // invalid image pointer (null)
  66                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteFontFamily (IntPtr.Zero), "null");
  67
  68                         IntPtr font_family;
  69                         GDIPlus.GdipCreateFontFamilyFromName ("Arial", IntPtr.Zero, out font_family);
  70                         if (font_family != IntPtr.Zero)
  71                                 Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (font_family), "first");
  72                         else
  73                                 Assert.Ignore ("Arial isn't available on this platform");
  74                 }
  75
  76                 [Test]
  77                 [Category ("NotWorking")]
  78                 public void DeleteFontFamily_DoubleDispose ()
  79                 {
  80                         IntPtr font_family;
  81                         GDIPlus.GdipGetGenericFontFamilySerif (out font_family);
  82                         // first dispose
  83                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (font_family), "first");
  84                         // second dispose
  85                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (font_family), "second");
  86                 }
  87
  88                 // Font
  89                 [Test]
  90                 public void CreateFont ()
  91                 {
  92                         IntPtr family;
  93                         GDIPlus.GdipCreateFontFamilyFromName ("Arial", IntPtr.Zero, out family);
  94                         if (family == IntPtr.Zero)
  95                                 Assert.Ignore ("Arial isn't available on this platform");
  96
  97                         IntPtr font;
  98                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateFont (family, 10f, FontStyle.Regular, GraphicsUnit.Point, out font), "GdipCreateFont");
  99                         Assert.IsTrue (font != IntPtr.Zero, "font");
 100
 101                         LOGFONT lf = new LOGFONT ();
 102                         lf.lfCharSet = 1;
 103                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetLogFont (font, IntPtr.Zero, (object) lf), "GdipGetLogFont-null-graphics");
 104                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet-null-graphics");
 105                         // other lf members looks like garbage
 106
 107                         IntPtr image;
 108                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 109                         Assert.IsTrue (image != IntPtr.Zero, "image");
 110
 111                         IntPtr graphics;
 112                         GDIPlus.GdipGetImageGraphicsContext (image, out graphics);
 113                         Assert.IsTrue (graphics != IntPtr.Zero, "graphics");
 114
 115                         lf.lfCharSet = 1;
 116                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetLogFont (IntPtr.Zero, graphics, (object) lf), "GdipGetLogFont-null");
 117                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet-null");
 118
 119                         lf.lfCharSet = 1;
 120                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetLogFont (font, graphics, (object) lf), "GdipGetLogFont");
 121                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet");
 122                         // strangely this is 1 in the managed side
 123
 124                         lf.lfCharSet = 2;
 125                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetLogFont (font, graphics, (object) lf), "GdipGetLogFont-2");
 126                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet");
 127                         // strangely this is 2 in the managed side
 128
 129                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFont (font), "GdipDeleteFont");
 130                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteFont (IntPtr.Zero), "GdipDeleteFont-null");
 131
 132                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (family), "GdipDeleteFontFamily");
 133                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 134                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteGraphics (graphics), "GdipDeleteGraphics");
 135                 }
 136
 137                 // Bitmap
 138                 [Test]
 139                 public void CreateBitmapFromScan0 ()
 140                 {
 141                         IntPtr bmp;
 142                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateBitmapFromScan0 (-1, 10, 10, PixelFormat.Format32bppArgb, IntPtr.Zero, out bmp), "negative width");
 143                 }
 144
 145                 [Test]
 146                 public void Unlock ()
 147                 {
 148                         IntPtr bmp;
 149                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out bmp);
 150                         Assert.IsTrue (bmp != IntPtr.Zero, "bmp");
 151
 152                         BitmapData bd = null;
 153                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipBitmapUnlockBits (bmp, bd), "BitmapData");
 154
 155                         bd = new BitmapData ();
 156                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipBitmapUnlockBits (IntPtr.Zero, bd), "handle");
 157
 158                         Assert.AreEqual (Status.Win32Error, GDIPlus.GdipBitmapUnlockBits (bmp, bd), "not locked");
 159
 160                         Rectangle rect = new Rectangle (2, 2, 5, 5);
 161                         Assert.AreEqual (Status.Ok, GDIPlus.GdipBitmapLockBits (bmp, ref rect, ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb, bd), "locked");
 162                         Assert.AreEqual (rect.Width, bd.Width, "Width");
 163                         Assert.AreEqual (rect.Height, bd.Height, "Height");
 164                         Assert.AreEqual (PixelFormat.Format24bppRgb, bd.PixelFormat, "PixelFormat");
 165
 166                         Assert.AreEqual (Status.Ok, GDIPlus.GdipBitmapUnlockBits (bmp, bd), "unlocked");
 167
 168                         Assert.AreEqual (Status.Win32Error, GDIPlus.GdipBitmapUnlockBits (bmp, bd), "unlocked-twice");
 169
 170                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (bmp), "GdipDisposeImage");
 171                 }
 172
 173                 // Brush
 174                 [Test]
 175                 public void DeleteBrush ()
 176                 {
 177                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteBrush (IntPtr.Zero), "GdipDeleteBrush");
 178                 }
 179
 180                 // Graphics
 181                 [Test]
 182                 public void Graphics ()
 183                 {
 184                         IntPtr graphics;
 185                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetImageGraphicsContext (IntPtr.Zero, out graphics), "GdipGetImageGraphicsContext");
 186
 187                         IntPtr image;
 188                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 189                         Assert.IsTrue (image != IntPtr.Zero, "image");
 190
 191                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetImageGraphicsContext (image, out graphics), "GdipGetImageGraphicsContext");
 192                         Assert.IsTrue (graphics != IntPtr.Zero, "graphics");
 193
 194
 195                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteGraphics (graphics), "GdipDeleteGraphics");
 196                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteGraphics (IntPtr.Zero), "GdipDeleteGraphics-null");
 197
 198                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 199                 }
 200
 201                 // GraphicsPath
 202                 [Test]
 203                 public void GetPointCount_Zero ()
 204                 {
 205                         IntPtr path;
 206                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 207                         Assert.IsTrue (path != IntPtr.Zero, "Handle");
 208
 209                         int count;
 210                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPointCount (IntPtr.Zero, out count), "GdipGetPointCount-null");
 211                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPointCount (path, out count), "GdipGetPointCount");
 212                         Assert.AreEqual (0, count, "Count");
 213
 214                         PointF[] points = new PointF[count];
 215                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathPoints (IntPtr.Zero, points, count), "GdipGetPathPoints-null-1");
 216                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathPoints (path, null, count), "GdipGetPathPoints-null-2");
 217                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathPoints (path, points, count), "GdipGetPathPoints");
 218                         // can't get the points if the count is zero!
 219
 220                         byte[] types = new byte[count];
 221                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathTypes (IntPtr.Zero, types, count), "GdipGetPathTypes-null-1");
 222                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathTypes (path, null, count), "GdipGetPathTypes-null-2");
 223                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathTypes (path, types, count), "GdipGetPathTypes");
 224                         // can't get the types if the count is zero!
 225
 226                         PointF[] pts_2f = new PointF[2] { new PointF (2f, 4f), new PointF (10f, 30f) };
 227                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine2 (IntPtr.Zero, pts_2f, pts_2f.Length), "GdipAddPathLine2-null-path");
 228                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine2 (path, null, pts_2f.Length), "GdipAddPathLine2-null-points");
 229                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine2 (path, pts_2f, -1), "GdipAddPathLine2-negative-count");
 230                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine2 (path, pts_2f, pts_2f.Length), "GdipAddPathLine2");
 231
 232                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPointCount (path, out count), "GdipGetPointCount");
 233                         Assert.AreEqual (2, count, "Count");
 234
 235                         points = new PointF[count];
 236                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathPoints (path, points, count), "GdipGetPathPoints-ok");
 237
 238                         types = new byte[count];
 239                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathTypes (path, types, count), "GdipGetPathTypes-ok");
 240
 241                         Assert.AreEqual (Status.Ok, GDIPlus.GdipResetPath (path), "GdipResetPath");
 242                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipResetPath (IntPtr.Zero), "GdipResetPath-null");
 243
 244                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 245                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeletePath (IntPtr.Zero), "GdipDeletePath-null");
 246                 }
 247
 248                 [Test]
 249                 public void Widen ()
 250                 {
 251                         IntPtr pen;
 252                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen), "GdipCreatePen1");
 253
 254                         IntPtr path;
 255                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 256
 257                         IntPtr matrix;
 258                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix (out matrix), "GdipCreateMatrix");
 259
 260                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipWidenPath (IntPtr.Zero, pen, matrix, 1.0f), "GdipWidenPath-null-path");
 261                         // empty path
 262                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipWidenPath (path, pen, matrix, 1.0f), "GdipWidenPath");
 263
 264                         // add something to the path
 265                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine (IntPtr.Zero, 1, 1, 10, 10), "GdipAddPathLine");
 266                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine (path, 1, 1, 10, 10), "GdipAddPathLine");
 267
 268                         int count;
 269                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPointCount (path, out count), "GdipGetPointCount");
 270                         Assert.AreEqual (2, count, "Count");
 271
 272                         Assert.AreEqual (Status.Ok, GDIPlus.GdipWidenPath (path, pen, matrix, 1.0f), "GdipWidenPath-2");
 273
 274                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 275                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 276                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePen (pen), "GdipDeletePen");
 277                 }
 278
 279                 // GraphicsPathIterator
 280                 [Test]
 281                 public void GraphicsPathIterator ()
 282                 {
 283                         IntPtr path;
 284                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 285
 286                         IntPtr iter;
 287                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathIter (out iter, path), "GdipCreatePathIter");
 288
 289                         int count = -1;
 290                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterGetCount (IntPtr.Zero, out count), "GdipPathIterGetCount-null");
 291                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetCount (iter, out count), "GdipPathIterGetCount");
 292                         Assert.AreEqual (0, count, "count-1");
 293
 294                         count = -1;
 295                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterGetSubpathCount (IntPtr.Zero, out count), "GdipPathIterGetSubpathCount-null");
 296                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetSubpathCount (iter, out count), "GdipPathIterGetSubpathCount");
 297                         Assert.AreEqual (0, count, "count-2");
 298
 299                         bool curve;
 300                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterHasCurve (IntPtr.Zero, out curve), "GdipPathIterHasCurve-null");
 301                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterHasCurve (iter, out curve), "GdipPathIterHasCurve");
 302                         Assert.IsFalse (curve, "curve");
 303
 304                         int result;
 305                         PointF[] points = new PointF[count];
 306                         byte[] types = new byte[count];
 307                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterEnumerate (IntPtr.Zero, out result, points, types, count), "GdipPathIterEnumerate-iter");
 308                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterEnumerate (iter, out result, null, types, count), "GdipPathIterEnumerate-points");
 309                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterEnumerate (iter, out result, points, null, count), "GdipPathIterEnumerate-types");
 310                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterEnumerate (iter, out result, points, types, -1), "GdipPathIterEnumerate-count");
 311                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterEnumerate (iter, out result, points, types, count), "GdipPathIterEnumerate");
 312
 313                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterCopyData (IntPtr.Zero, out result, points, types, 0, 0), "GdipPathIterCopyData-iter");
 314                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterCopyData (iter, out result, null, types, 0, 0), "GdipPathIterCopyData-points");
 315                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterCopyData (iter, out result, points, null, 0, 0), "GdipPathIterCopyData-types");
 316                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, -1, 0), "GdipPathIterCopyData-start");
 317                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, 0, -1), "GdipPathIterCopyData-end");
 318                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, 0, 0), "GdipPathIterCopyData");
 319
 320                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextMarkerPath (IntPtr.Zero, out result, path), "GdipPathIterNextMarkerPath-iter");
 321                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarkerPath (iter, out result, IntPtr.Zero), "GdipPathIterNextMarkerPath-path");
 322                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarkerPath (iter, out result, path), "GdipPathIterNextMarkerPath");
 323
 324                         result = -1;
 325                         int start = -1;
 326                         int end = -1;
 327                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextMarker (IntPtr.Zero, out result, out start, out end), "GdipPathIterNextMarker-iter");
 328                         start = -1;
 329                         end = -1;
 330                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarker (iter, out result, out start, out end), "GdipPathIterNextMarker");
 331                         Assert.AreEqual (0, result, "result-4");
 332                         Assert.AreEqual (-1, start, "start-1");
 333                         Assert.AreEqual (-1, end, "end-1");
 334
 335                         byte pathType = 255;
 336                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextPathType (IntPtr.Zero, out result, out pathType, out start, out end), "GdipPathIterNextPathType-iter");
 337                         pathType = 255;
 338                         start = -1;
 339                         end = -1;
 340                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextPathType (iter, out result, out pathType, out start, out end), "GdipPathIterNextPathType");
 341                         Assert.AreEqual (0, result, "result-5");
 342                         Assert.AreEqual (255, pathType, "pathType");
 343                         Assert.AreEqual (-1, start, "start-2");
 344                         Assert.AreEqual (-1, end, "end-2");
 345
 346                         bool closed = false;
 347                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextSubpathPath (IntPtr.Zero, out result, IntPtr.Zero, out closed), "GdipPathIterNextSubpathPath-iter");
 348                         closed = false;
 349                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpathPath (iter, out result, IntPtr.Zero, out closed), "GdipPathIterNextSubpathPath-path");
 350                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpathPath (iter, out result, path, out closed), "GdipPathIterNextSubpathPath");
 351
 352                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextSubpath (IntPtr.Zero, out result, out start, out end, out closed), "GdipPathIterNextSubpath-iter");
 353                         start = -1;
 354                         end = -1;
 355                         closed = false;
 356                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpath (iter, out result, out start, out end, out closed), "GdipPathIterNextSubpath");
 357                         Assert.AreEqual (-1, start, "start-3");
 358                         Assert.AreEqual (-1, end, "end-3");
 359
 360                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterRewind (IntPtr.Zero), "GdipPathIterRewind-null");
 361                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterRewind (iter), "GdipPathIterRewind");
 362
 363                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeletePathIter (IntPtr.Zero), "GdipDeletePathIter-null");
 364                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePathIter (iter), "GdipDeletePathIter");
 365                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 366                 }
 367
 368                 [Test]
 369                 public void GraphicsPathIterator_WithoutPath ()
 370                 {
 371                         // a path isn't required to create an iterator - ensure we never crash for any api
 372                         IntPtr iter;
 373                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathIter (out iter, IntPtr.Zero), "GdipCreatePathIter-null");
 374
 375                         int count = -1;
 376                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetCount (iter, out count), "GdipPathIterGetCount");
 377                         Assert.AreEqual (0, count, "count-1");
 378
 379                         count = -1;
 380                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetSubpathCount (iter, out count), "GdipPathIterGetSubpathCount");
 381                         Assert.AreEqual (0, count, "count-2");
 382
 383                         bool curve;
 384                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterHasCurve (iter, out curve), "GdipPathIterHasCurve");
 385
 386                         int result = -1;
 387                         PointF[] points = new PointF[count];
 388                         byte[] types = new byte[count];
 389                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterEnumerate (iter, out result, points, types, count), "GdipPathIterEnumerate");
 390                         Assert.AreEqual (0, result, "result-1");
 391
 392                         result = -1;
 393                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, 0, 0), "GdipPathIterCopyData");
 394                         Assert.AreEqual (0, result, "result-2");
 395
 396                         result = -1;
 397                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarkerPath (iter, out result, IntPtr.Zero), "GdipPathIterNextMarkerPath");
 398                         Assert.AreEqual (0, result, "result-3");
 399
 400                         result = -1;
 401                         int start = -1;
 402                         int end = -1;
 403                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarker (iter, out result, out start, out end), "GdipPathIterNextMarker");
 404                         Assert.AreEqual (0, result, "result-4");
 405                         Assert.AreEqual (-1, start, "start-1");
 406                         Assert.AreEqual (-1, end, "end-1");
 407
 408                         result = -1;
 409                         byte pathType = 255;
 410                         start = -1;
 411                         end = -1;
 412                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextPathType (iter, out result, out pathType, out start, out end), "GdipPathIterNextPathType");
 413                         Assert.AreEqual (0, result, "result-5");
 414                         Assert.AreEqual (255, pathType, "pathType");
 415                         Assert.AreEqual (-1, start, "start-2");
 416                         Assert.AreEqual (-1, end, "end-2");
 417
 418                         bool closed = false;
 419                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpathPath (iter, out result, IntPtr.Zero, out closed), "GdipPathIterNextSubpathPath");
 420
 421                         start = -1;
 422                         end = -1;
 423                         closed = false;
 424                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpath (iter, out result, out start, out end, out closed), "GdipPathIterNextSubpath");
 425                         Assert.AreEqual (-1, start, "start-3");
 426                         Assert.AreEqual (-1, end, "end-3");
 427
 428                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterRewind (iter), "GdipPathIterRewind");
 429
 430                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePathIter (iter), "GdipDeletePathIter");
 431                 }
 432
 433                 // Matrix
 434                 [Test]
 435                 public void Matrix ()
 436                 {
 437                         IntPtr matrix;
 438                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix (out matrix), "GdipCreateMatrix");
 439                         Assert.IsTrue (matrix != IntPtr.Zero, "Handle");
 440
 441                         bool result;
 442                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixIdentity (IntPtr.Zero, out result), "GdipIsMatrixIdentity-null");
 443                         Assert.AreEqual (Status.Ok, GDIPlus.GdipIsMatrixIdentity (matrix, out result), "GdipIsMatrixIdentity");
 444                         Assert.IsTrue (result, "identity");
 445
 446                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixInvertible (IntPtr.Zero, out result), "GdipIsMatrixInvertible-null");
 447                         Assert.AreEqual (Status.Ok, GDIPlus.GdipIsMatrixInvertible (matrix, out result), "GdipIsMatrixInvertible");
 448                         Assert.IsTrue (result, "invertible");
 449
 450                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipInvertMatrix (IntPtr.Zero), "GdipInvertMatrix-null");
 451                         Assert.AreEqual (Status.Ok, GDIPlus.GdipInvertMatrix (matrix), "GdipInvertMatrix");
 452
 453                         PointF[] points = new PointF[1];
 454                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTransformMatrixPoints (IntPtr.Zero, points, 1), "GdipTransformMatrixPoints-null-points-1");
 455                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTransformMatrixPoints (matrix, null, 1), "GdipTransformMatrixPoints-matrix-points-1");
 456                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTransformMatrixPoints (matrix, points, 0), "GdipTransformMatrixPoints-matrix-points-0");
 457                         Assert.AreEqual (Status.Ok, GDIPlus.GdipTransformMatrixPoints (matrix, points, 1), "GdipTransformMatrixPoints");
 458
 459                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipVectorTransformMatrixPoints (IntPtr.Zero, points, 1), "GdipVectorTransformMatrixPoints-null-points-1");
 460                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipVectorTransformMatrixPoints (matrix, null, 1), "GdipVectorTransformMatrixPoints-matrix-points-1");
 461                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipVectorTransformMatrixPoints (matrix, points, 0), "GdipVectorTransformMatrixPoints-matrix-points-0");
 462                         Assert.AreEqual (Status.Ok, GDIPlus.GdipVectorTransformMatrixPoints (matrix, points, 1), "GdipVectorTransformMatrixPoints");
 463
 464                         IntPtr clone;
 465                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCloneMatrix (IntPtr.Zero, out clone), "GdipCloneMatrix");
 466                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCloneMatrix (matrix, out clone), "GdipCloneMatrix");
 467                         Assert.IsTrue (clone != IntPtr.Zero, "Handle-clone");
 468
 469                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixEqual (IntPtr.Zero, clone, out result), "GdipIsMatrixEqual-null-clone");
 470                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixEqual (matrix, IntPtr.Zero, out result), "GdipIsMatrixEqual-matrix-null");
 471                         Assert.AreEqual (Status.Ok, GDIPlus.GdipIsMatrixEqual (matrix, clone, out result), "GdipIsMatrixEqual-matrix-clone");
 472                         Assert.IsTrue (result, "equal");
 473
 474                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipMultiplyMatrix (IntPtr.Zero, clone, MatrixOrder.Append), "GdipMultiplyMatrix-null-clone-append");
 475                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipMultiplyMatrix (matrix, IntPtr.Zero, MatrixOrder.Prepend), "GdipMultiplyMatrix-matrix-null-prepend");
 476                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipMultiplyMatrix (matrix, clone, (MatrixOrder)Int32.MinValue), "GdipMultiplyMatrix-matrix-clone-invalid");
 477                         Assert.AreEqual (Status.Ok, GDIPlus.GdipMultiplyMatrix (matrix, clone, MatrixOrder.Append), "GdipMultiplyMatrix-matrix-clone-append");
 478
 479                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTranslateMatrix (IntPtr.Zero, 1f, 2f, MatrixOrder.Append), "GdipTranslateMatrix-null-append");
 480                         Assert.AreEqual (Status.Ok, GDIPlus.GdipTranslateMatrix (matrix, Single.NaN, Single.NegativeInfinity, MatrixOrder.Prepend), "GdipTranslateMatrix-nan-append");
 481                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTranslateMatrix (matrix, 1f, 2f, (MatrixOrder) Int32.MinValue), "GdipTranslateMatrix-matrix-invalid");
 482                         Assert.AreEqual (Status.Ok, GDIPlus.GdipTranslateMatrix (matrix, 1f, 2f, MatrixOrder.Append), "GdipTranslateMatrix-matrix-append");
 483
 484                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipScaleMatrix (IntPtr.Zero, 1f, 2f, MatrixOrder.Append), "GdipScaleMatrix-null-append");
 485                         Assert.AreEqual (Status.Ok, GDIPlus.GdipScaleMatrix (matrix, Single.NaN, Single.NegativeInfinity, MatrixOrder.Prepend), "GdipScaleMatrix-nan-append");
 486                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipScaleMatrix (matrix, 1f, 2f, (MatrixOrder) Int32.MinValue), "GdipScaleMatrix-matrix-invalid");
 487                         Assert.AreEqual (Status.Ok, GDIPlus.GdipScaleMatrix (matrix, 1f, 2f, MatrixOrder.Append), "GdipScaleMatrix-matrix-append");
 488
 489                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipShearMatrix (IntPtr.Zero, 1f, 2f, MatrixOrder.Append), "GdipShearMatrix-null-append");
 490                         Assert.AreEqual (Status.Ok, GDIPlus.GdipShearMatrix (matrix, Single.NaN, Single.NegativeInfinity, MatrixOrder.Prepend), "GdipShearMatrix-nan-append");
 491                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipShearMatrix (matrix, 1f, 2f, (MatrixOrder) Int32.MinValue), "GdipShearMatrix-matrix-invalid");
 492                         Assert.AreEqual (Status.Ok, GDIPlus.GdipShearMatrix (matrix, 1f, 2f, MatrixOrder.Append), "GdipShearMatrix-matrix-append");
 493
 494                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteMatrix (IntPtr.Zero), "GdipDeleteMatrix-null");
 495                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 496                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (clone), "GdipDeleteMatrix-clone");
 497                 }
 498
 499                 [Test]
 500                 public void Matrix2 ()
 501                 {
 502                         IntPtr matrix;
 503                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix2 (Single.MinValue, Single.MaxValue, Single.NegativeInfinity,
 504                                 Single.PositiveInfinity, Single.NaN, Single.Epsilon, out matrix), "GdipCreateMatrix2");
 505                         Assert.IsTrue (matrix != IntPtr.Zero, "Handle");
 506
 507                         // check data
 508                         float[] elements = new float[6];
 509                         IntPtr data = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (float)) * 6);
 510                         try {
 511                                 Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetMatrixElements (IntPtr.Zero, data), "GdipSetMatrixElements-null-matrix");
 512                                 Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetMatrixElements (matrix, IntPtr.Zero), "GdipSetMatrixElements-null-data");
 513                                 Assert.AreEqual (Status.Ok, GDIPlus.GdipGetMatrixElements (matrix, data), "GdipSetMatrixElements-null-matrix");
 514                                 Marshal.Copy (data, elements, 0, 6);
 515                                 Assert.AreEqual (Single.MinValue, elements [0], "0");
 516                                 Assert.AreEqual (Single.MaxValue, elements [1], "1");
 517                                 Assert.AreEqual (Single.NegativeInfinity, elements [2], "2");
 518                                 Assert.AreEqual (Single.PositiveInfinity, elements [3], "3");
 519                                 Assert.AreEqual (Single.NaN, elements [4], "4");
 520                                 Assert.AreEqual (Single.Epsilon, elements [5], "5");
 521                         }
 522                         finally {
 523                                 Marshal.FreeHGlobal (data);
 524                         }
 525
 526                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetMatrixElements (IntPtr.Zero, 0f, 0f, 0f, 0f, 0f, 0f), "GdipSetMatrixElements-null");
 527                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetMatrixElements (matrix, 0f, 0f, 0f, 0f, 0f, 0f), "GdipSetMatrixElements");
 528
 529                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 530                 }
 531
 532                 [Test]
 533                 public void Matrix3 ()
 534                 {
 535                         RectangleF rect = new RectangleF ();
 536                         IntPtr matrix;
 537                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateMatrix3 (ref rect, null, out matrix), "GdipCreateMatrix3-null");
 538
 539                         // provding less than 3 points would results in AccessViolationException under MS 2.0 but can't happen using the managed SD code
 540                         PointF[] points = new PointF[3];
 541                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-empty-rect");
 542                         rect = new RectangleF (10f, 20f, 0f, 40f);
 543                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-empty-width");
 544                         rect = new RectangleF (10f, 20f, 30f, 0f);
 545                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-empty-height");
 546
 547                         rect = new RectangleF (0f, 0f, 30f, 40f);
 548                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-3");
 549                         Assert.IsTrue (matrix != IntPtr.Zero, "Handle");
 550
 551                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 552                 }
 553
 554                 // Image
 555                 [Test]
 556                 public void DisposeImage ()
 557                 {
 558                         // invalid image pointer (null)
 559                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDisposeImage (IntPtr.Zero), "null");
 560
 561                         IntPtr image;
 562                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 563                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "first");
 564                 }
 565
 566                 [Test]
 567                 [Category ("NotWorking")]
 568                 public void DisposeImage_Dual ()
 569                 {
 570                         IntPtr image;
 571                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 572                         // first dispose
 573                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "first");
 574                         // second dispose
 575                         Assert.AreEqual (Status.ObjectBusy, GDIPlus.GdipDisposeImage (image), "second");
 576                 }
 577
 578                 [Test]
 579                 [Category ("NotWorking")] // libgdiplus doesn't implement GdipGetImageThumbnail (it is done inside S.D)
 580                 public void GetImageThumbnail ()
 581                 {
 582                         IntPtr ptr;
 583
 584                         // invalid image pointer (null)
 585                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetImageThumbnail (IntPtr.Zero, 10, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 586
 587                         IntPtr image;
 588                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 589                         try {
 590                                 // invalid width (0)
 591                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 0, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 592                                 // invalid width (negative)
 593                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 0x8000000, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 594                                 // invalid height (0)
 595                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 10, 0, out ptr, IntPtr.Zero, IntPtr.Zero));
 596                                 // invalid height (negative)
 597                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 10, 0x8000000, out ptr, IntPtr.Zero, IntPtr.Zero));
 598                         }
 599                         finally {
 600                                 GDIPlus.GdipDisposeImage (image);
 601                         }
 602                 }
 603
 604                 [Test]
 605                 public void Encoder ()
 606                 {
 607                         IntPtr image;
 608                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 609
 610                         Guid g = new Guid ();
 611                         uint size = UInt32.MaxValue;
 612                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetEncoderParameterListSize (IntPtr.Zero, ref g, out size), "GdipGetEncoderParameterListSize-null-guid-uint");
 613                         Assert.AreEqual (UInt32.MaxValue, size, "size-1");
 614                         // note: can't test a null Guid (it's a struct)
 615 #if false
 616                         Assert.AreEqual (Status. FileNotFound, GDIPlus.GdipGetEncoderParameterListSize (image, ref g, out size), "GdipGetEncoderParameterListSize-image-badguid-uint");
 617                         Assert.AreEqual (UInt32.MaxValue, size, "size-2");
 618
 619                         g = new Guid ("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}");
 620                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetEncoderParameterListSize (image, ref g, out size), "GdipGetEncoderParameterListSize-image-guid-uint");
 621                         Assert.AreEqual (UInt32.MaxValue, size, "size-3");
 622 #endif
 623                         GDIPlus.GdipDisposeImage (image);
 624                 }
 625
 626                 // ImageAttribute
 627                 [Test]
 628                 public void ImageAttribute ()
 629                 {
 630                         IntPtr attr;
 631                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateImageAttributes (out attr), "GdipCreateImageAttributes");
 632
 633                         IntPtr clone;
 634                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCloneImageAttributes (IntPtr.Zero, out clone), "GdipCloneImageAttributes");
 635                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCloneImageAttributes (attr, out clone), "GdipCloneImageAttributes");
 636
 637                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetImageAttributesColorMatrix (attr, ColorAdjustType.Default, true, IntPtr.Zero, IntPtr.Zero, ColorMatrixFlag.Default), "GdipSetImageAttributesColorMatrix-true-matrix1");
 638                         // the first color matrix can be null if enableFlag is false
 639                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetImageAttributesColorMatrix (attr, ColorAdjustType.Default, false, IntPtr.Zero, IntPtr.Zero, ColorMatrixFlag.Default), "GdipSetImageAttributesColorMatrix-false-matrix1");
 640                         ColorMatrix cm = new ColorMatrix ();
 641                         IntPtr color = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (ColorMatrix)));
 642                         try {
 643                                 Marshal.StructureToPtr (cm, color, false);
 644                                 Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetImageAttributesColorMatrix (IntPtr.Zero, ColorAdjustType.Default, true, color, IntPtr.Zero, ColorMatrixFlag.Default), "GdipSetImageAttributesColorMatrix-null");
 645                                 Assert.AreEqual (Status.Ok, GDIPlus.GdipSetImageAttributesColorMatrix (attr, ColorAdjustType.Default, true, color, IntPtr.Zero, ColorMatrixFlag.Default), "GdipCloneImageAttributes");
 646                         }
 647                         finally {
 648                                 Marshal.FreeHGlobal (color);
 649                         }
 650
 651                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDisposeImageAttributes (IntPtr.Zero), "GdipDisposeImageAttributes-null");
 652                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImageAttributes (attr), "GdipDisposeImageAttributes");
 653                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImageAttributes (clone), "GdipDisposeImageAttributes-clone");
 654                 }
 655
 656                 // PathGradientBrush
 657                 [Test]
 658                 public void CreatePathGradient ()
 659                 {
 660                         PointF[] points = null;
 661                         IntPtr brush;
 662                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 0, WrapMode.Clamp, out brush), "null");
 663
 664                         points = new PointF [0];
 665                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 0, WrapMode.Clamp, out brush), "empty");
 666
 667                         points = new PointF[1];
 668                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 1, WrapMode.Clamp, out brush), "one");
 669
 670                         points = null;
 671                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 2, WrapMode.Clamp, out brush), "null/two");
 672
 673                         points = new PointF[2] { new PointF (1, 2), new PointF (20, 30) };
 674                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathGradient (points, 2, WrapMode.Clamp, out brush), "two");
 675                         Assert.IsTrue (brush != IntPtr.Zero, "Handle");
 676
 677                         int count;
 678                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 679                         Assert.AreEqual (1, count, "blend count");
 680
 681                         int[] colors = new int[count];
 682                         float[] positions = new float[count];
 683                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 684                         // can't call that for 1 count!
 685
 686                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 687                 }
 688
 689                 [Test]
 690                 public void CreatePathGradient_FromPath_Line ()
 691                 {
 692                         IntPtr path;
 693                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 694
 695                         IntPtr brush;
 696                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradientFromPath (IntPtr.Zero, out brush), "null");
 697                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradientFromPath (path, out brush), "empty path");
 698
 699                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine (path, 1, 1, 10, 10), "GdipAddPathLine");
 700
 701                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathGradientFromPath (path, out brush), "path");
 702                         Assert.IsTrue (brush != IntPtr.Zero, "Handle");
 703
 704                         int count;
 705                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 706                         Assert.AreEqual (1, count, "blend count");
 707
 708                         int[] colors = new int[count];
 709                         float[] positions = new float[count];
 710                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 711
 712                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 713                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 714                 }
 715
 716                 [Test]
 717                 public void CreatePathGradient_FromPath_Lines ()
 718                 {
 719                         IntPtr path;
 720                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 721
 722                         PointF[] pts_2f = new PointF[2] { new PointF (2f, 4f), new PointF (10f, 30f) };
 723                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine2 (path, pts_2f, pts_2f.Length), "GdipAddPathLine2");
 724
 725                         IntPtr brush;
 726                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathGradientFromPath (path, out brush), "path");
 727                         Assert.IsTrue (brush != IntPtr.Zero, "Handle");
 728
 729                         int count;
 730                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 731                         Assert.AreEqual (1, count, "blend count");
 732
 733                         int[] colors = new int[count];
 734                         float[] positions = new float[count];
 735                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 736
 737                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 738                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 739                 }
 740
 741                 // Pen
 742                 [Test]
 743                 public void CreatePen ()
 744                 {
 745                         IntPtr pen;
 746                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen), "GdipCreatePen1");
 747                         Assert.IsTrue (pen != IntPtr.Zero, "pen");
 748
 749                         DashStyle ds;
 750                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPenDashStyle (pen, out ds), "GdipGetPenDashStyle");
 751                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashStyle (IntPtr.Zero, out ds), "GdipGetPenDashStyle-null");
 752
 753                         ds = DashStyle.Custom;
 754                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetPenDashStyle (pen, ds), "GdipSetPenDashStyle");
 755                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetPenDashStyle (IntPtr.Zero, ds), "GdipSetPenDashStyle-null");
 756
 757                         int count;
 758                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPenDashCount (pen, out count), "GdipGetPenDashCount");
 759                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashCount (IntPtr.Zero, out count), "GdipGetPenDashCount-null");
 760                         Assert.AreEqual (0, count, "count");
 761
 762                         float[] dash = new float[count];
 763                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetPenDashArray (pen, dash, count), "GdipGetPenDashArray");
 764                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashArray (IntPtr.Zero, dash, count), "GdipGetPenDashArray-null-pen");
 765                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashArray (pen, null, count), "GdipGetPenDashArray-null-dash");
 766
 767                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePen (pen), "GdipDeletePen");
 768                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeletePen (IntPtr.Zero), "GdipDeletePen-null");
 769                 }
 770
 771                 // Region
 772                 [Test]
 773                 public void CreateRegionRgnData ()
 774                 {
 775                         IntPtr region;
 776                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateRegionRgnData (null, 0, out region));
 777
 778                         byte[] data = new byte[0];
 779                         Assert.AreEqual (Status.GenericError, GDIPlus.GdipCreateRegionRgnData (data, 0, out region));
 780                 }
 781
 782                 [Test]
 783                 public void DrawingOperations ()
 784                 {
 785                         IntPtr graphics, image;
 786
 787                         IntPtr pen;
 788                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero,
 789                                                            out image);
 790
 791                         GDIPlus.GdipGetImageGraphicsContext (image, out graphics);
 792                         GDIPlus.GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen);
 793
 794                         // DrawCurve
 795
 796                         Assert.AreEqual (Status.InvalidParameter,
 797                                          GDIPlus.GdipDrawCurveI (IntPtr.Zero, IntPtr.Zero, null, 0));
 798
 799                         Assert.AreEqual (Status.InvalidParameter,
 800                                          GDIPlus.GdipDrawCurveI (graphics, pen, new Point [] {}, 0),
 801                                          "DrawCurve with no pts");
 802                         Assert.AreEqual (Status.InvalidParameter,
 803                                          GDIPlus.GdipDrawCurveI (graphics, pen,
 804                                                                  new Point [] { new Point (1, 1) }, 1),
 805                                          "DrawCurve with 1 pt");
 806                         Assert.AreEqual (Status.Ok,
 807                                          GDIPlus.GdipDrawCurveI (graphics, pen,
 808                                                                  new Point [] { new Point (1, 1),
 809                                                                                 new Point (2, 2) }, 2),
 810                                          "DrawCurve with 2 pts");
 811
 812                         // DrawClosedCurve
 813
 814                         Assert.AreEqual (Status.InvalidParameter,
 815                                          GDIPlus.GdipDrawClosedCurveI (graphics, pen, new Point [] {}, 0),
 816                                          "DrawClosedCurve with no pts");
 817                         Assert.AreEqual (Status.InvalidParameter,
 818                                          GDIPlus.GdipDrawClosedCurveI (graphics, pen,
 819                                                                        new Point [] { new Point (1, 1) }, 1),
 820                                          "DrawClosedCurve with 1 pt");
 821                         Assert.AreEqual (Status.InvalidParameter,
 822                                          GDIPlus.GdipDrawClosedCurveI (graphics, pen,
 823                                                                        new Point [] { new Point (1, 1),
 824                                                                                       new Point (2, 2) }, 2),
 825                                          "DrawClosedCurve with 2 pt2");
 826
 827                         // DrawPolygon
 828
 829                         Assert.AreEqual (Status.InvalidParameter,
 830                                          GDIPlus.GdipDrawPolygonI (graphics, pen, new Point [] {}, 0),
 831                                          "DrawPolygon with no pts");
 832                         Assert.AreEqual (Status.InvalidParameter,
 833                                          GDIPlus.GdipDrawPolygonI (graphics, pen,
 834                                                                    new Point [] { new Point (1, 1) }, 1),
 835                                          "DrawPolygon with only one pt");
 836
 837                         GDIPlus.GdipDeletePen (pen);
 838
 839                         // FillClosedCurve
 840
 841                         IntPtr brush;
 842                         GDIPlus.GdipCreateSolidFill (0, out brush);
 843
 844
 845                         Assert.AreEqual (Status.InvalidParameter,
 846                                          GDIPlus.GdipFillClosedCurveI (graphics, brush, new Point [] {}, 0),
 847                                          "FillClosedCurve with no pts");
 848                         Assert.AreEqual (Status.Ok,
 849                                          GDIPlus.GdipFillClosedCurveI (graphics, brush,
 850                                                                        new Point [] { new Point (1, 1) }, 1),
 851                                          "FillClosedCurve with 1 pt");
 852                         Assert.AreEqual (Status.Ok,
 853                                          GDIPlus.GdipFillClosedCurveI (graphics, brush,
 854                                                                        new Point [] { new Point (1, 1),
 855                                                                                       new Point (2, 2) }, 2),
 856                                          "FillClosedCurve with 2 pts");
 857
 858                         GDIPlus.GdipDeleteBrush (brush);
 859
 860                         GDIPlus.GdipDeleteGraphics (graphics);
 861                         GDIPlus.GdipDisposeImage (image);
 862                 }
 863
 864                 // TextureBrush
 865                 [Test]
 866                 public void Texture ()
 867                 {
 868                         IntPtr image;
 869                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 870
 871                         IntPtr brush;
 872                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTexture (IntPtr.Zero, WrapMode.Tile, out brush), "GdipCreateTexture-image");
 873                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture (image, (WrapMode)Int32.MinValue, out brush), "GdipCreateTexture-wrapmode");
 874                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateTexture (image, WrapMode.Tile, out brush), "GdipCreateTexture");
 875
 876                         IntPtr image2;
 877 // this would throw an AccessViolationException under MS 2.0 (missing null check?)
 878 //                      Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureImage (IntPtr.Zero, out image2), "GdipGetTextureImage-brush");
 879                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetTextureImage (brush, out image2), "GdipGetTextureImage");
 880                         Assert.IsFalse (image == image2, "image");
 881
 882                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 883                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 884                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image2), "GdipDisposeImage-image2");
 885                 }
 886
 887                 [Test]
 888                 public void Texture2 ()
 889                 {
 890                         IntPtr image;
 891                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 892
 893                         IntPtr brush;
 894                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTexture2 (IntPtr.Zero, WrapMode.Tile, 0, 0, 10, 10, out brush), "GdipCreateTexture2-image");
 895                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTexture2 (IntPtr.Zero, (WrapMode) Int32.MinValue, 0, 0, 10, 10, out brush), "GdipCreateTexture2-wrapmode");
 896                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 0, 0, 10, out brush), "GdipCreateTexture2-width");
 897                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 0, 10, 0, out brush), "GdipCreateTexture2-height");
 898                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, -1, 0, 0, 10, out brush), "GdipCreateTexture2-x");
 899                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, -1, 10, 0, out brush), "GdipCreateTexture2-y");
 900                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 1, 0, 10, 10, out brush), "GdipCreateTexture2-too-wide");
 901                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 1, 10, 10, out brush), "GdipCreateTexture2-too-tall");
 902                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 0, 10, 10, out brush), "GdipCreateTexture2");
 903
 904                         WrapMode wm;
 905                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureWrapMode (IntPtr.Zero, out wm), "GdipGetTextureWrapMode-brush");
 906                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetTextureWrapMode (brush, out wm), "GdipGetTextureWrapMode");
 907                         Assert.AreEqual (WrapMode.Tile, wm, "WrapMode");
 908
 909                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetTextureWrapMode (IntPtr.Zero, WrapMode.Clamp), "GdipSetTextureWrapMode-brush");
 910                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetTextureWrapMode (brush, WrapMode.Clamp), "GdipSetTextureWrapMode");
 911                         GDIPlus.GdipGetTextureWrapMode (brush, out wm);
 912                         Assert.AreEqual (WrapMode.Clamp, wm, "WrapMode.Clamp");
 913
 914                         // an invalid WrapMode is ignored
 915                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetTextureWrapMode (brush, (WrapMode) Int32.MinValue), "GdipSetTextureWrapMode-wrapmode");
 916                         GDIPlus.GdipGetTextureWrapMode (brush, out wm);
 917                         Assert.AreEqual (WrapMode.Clamp, wm, "WrapMode/Invalid");
 918
 919                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 920                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 921                 }
 922
 923                 [Test]
 924                 public void TextureIA ()
 925                 {
 926                         IntPtr image;
 927                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 928
 929                         IntPtr brush;
 930                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTextureIA (IntPtr.Zero, IntPtr.Zero, 0, 0, 10, 10, out brush), "GdipCreateTexture2-image");
 931                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 0, 0, 10, out brush), "GdipCreateTexture2-width");
 932                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 0, 10, 0, out brush), "GdipCreateTexture2-height");
 933                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, -1, 0, 10, 10, out brush), "GdipCreateTexture2-x");
 934                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, -1, 10, 10, out brush), "GdipCreateTexture2-y");
 935                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 1, 0, 10, 10, out brush), "GdipCreateTexture2-too-wide");
 936                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 1, 10, 10, out brush), "GdipCreateTexture2-too-tall");
 937                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 0, 10, 10, out brush), "GdipCreateTexture2");
 938
 939                         // TODO - handle ImageAttribute in the tests
 940
 941                         IntPtr matrix;
 942                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix (out matrix), "GdipCreateMatrix");
 943
 944                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureTransform (IntPtr.Zero, matrix), "GdipGetTextureTransform-brush");
 945                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureTransform (brush, IntPtr.Zero), "GdipGetTextureTransform-matrix");
 946                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetTextureTransform (brush, matrix), "GdipGetTextureTransform");
 947
 948                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetTextureTransform (IntPtr.Zero, matrix), "GdipSetTextureTransform-brush");
 949                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetTextureTransform (brush, IntPtr.Zero), "GdipSetTextureTransform-matrix");
 950                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetTextureTransform (brush, matrix), "GdipSetTextureTransform");
 951
 952                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 953                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 954                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 955                 }
 956         }
 957 }