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svn path=/branches/mono-1-1-16/mcs/; revision=62474

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

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+//
+// Direct GDI+ API unit tests
+//
+// Authors:
+//	Sebastien Pouliot  <sebastien@ximian.com>
+//
+// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Runtime.InteropServices;
+using NUnit.Framework;
+
+namespace MonoTests.System.Drawing {
+
+	// copied from Mono's System.Drawing.dll gdiEnums.cs
+	internal enum Status {
+		Ok = 0,
+		GenericError = 1,
+		InvalidParameter = 2,
+		OutOfMemory = 3,
+		ObjectBusy = 4,
+		InsufficientBuffer = 5,
+		NotImplemented = 6,
+		Win32Error = 7,
+		WrongState = 8,
+		Aborted = 9,
+		FileNotFound = 10,
+		ValueOverflow = 11,
+		AccessDenied = 12,
+		UnknownImageFormat = 13,
+		FontFamilyNotFound = 14,
+		FontStyleNotFound = 15,
+		NotTrueTypeFont = 16,
+		UnsupportedGdiplusVersion = 17,
+		GdiplusNotInitialized = 18,
+		PropertyNotFound = 19,
+		PropertyNotSupported = 20,
+		ProfileNotFound = 21
+	}
+
+	[TestFixture]
+	public class GDIPlusTest {
+
+		[DllImport ("gdiplus.dll")]
+		internal static extern Status GdipCreateBitmapFromScan0 (int width, int height, int stride, PixelFormat format, IntPtr scan0, out IntPtr bmp);
+
+		[Test]
+		public void CreateBitmapFromScan0 ()
+		{
+			IntPtr bmp;
+			Assert.AreEqual (Status.InvalidParameter, GdipCreateBitmapFromScan0 (-1, 10, 10, PixelFormat.Format32bppArgb, IntPtr.Zero, out bmp), "negative width");
+		}
+
+
+		[DllImport ("gdiplus.dll")]
+		internal static extern Status GdipDisposeImage (IntPtr image);
+
+		[Test]
+		public void DisposeImage ()
+		{
+			// invalid image pointer (null)
+			Assert.AreEqual (Status.InvalidParameter, GdipDisposeImage (IntPtr.Zero), "null");
+
+			IntPtr image;
+			GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
+			Assert.AreEqual (Status.Ok, GdipDisposeImage (image), "first");
+		}
+
+		[Test]
+		[Category ("NotWorking")]
+		public void DisposeImage_Dual ()
+		{
+			IntPtr image;
+			GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
+			// first dispose
+			Assert.AreEqual (Status.Ok, GdipDisposeImage (image), "first");
+			// second dispose
+			Assert.AreEqual (Status.ObjectBusy, GdipDisposeImage (image), "second");
+		}
+
+
+		[DllImport ("gdiplus.dll")]
+		internal static extern Status GdipGetImageThumbnail (IntPtr image, uint width, uint height, out IntPtr thumbImage, IntPtr callback, IntPtr callBackData);
+
+		[Test]
+		[Category ("NotWorking")] // libgdiplus doesn't implement GdipGetImageThumbnail (it is done inside S.D)
+		public void GetImageThumbnail ()
+		{
+			IntPtr ptr;
+
+			// invalid image pointer (null)
+			Assert.AreEqual (Status.InvalidParameter, GdipGetImageThumbnail (IntPtr.Zero, 10, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
+
+			IntPtr image;
+			GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
+			try {
+				// invalid width (0)
+				Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 0, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
+				// invalid width (negative)
+				Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 0x8000000, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
+				// invalid height (0)
+				Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 10, 0, out ptr, IntPtr.Zero, IntPtr.Zero));
+				// invalid height (negative)
+				Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 10, 0x8000000, out ptr, IntPtr.Zero, IntPtr.Zero));
+			}
+			finally {
+				GdipDisposeImage (image);
+			}
+		}
+	}
+}