X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2FSystem.Drawing%2FTest%2FSystem.Drawing%2FTestImage.cs;h=1b430ae52e212d44aad8662dfd2c850caff888e6;hb=90d6059c5475419ddf6e0fc4b49098158010cab0;hp=7a77f3da2259e66672029509c0be6df26bf20905;hpb=f73e0d5c67f0d26e85b92fc4b75fc48783f20d64;p=mono.git

diff --git a/mcs/class/System.Drawing/Test/System.Drawing/TestImage.cs b/mcs/class/System.Drawing/Test/System.Drawing/TestImage.cs
index 7a77f3da225..1b430ae52e2 100644
--- a/mcs/class/System.Drawing/Test/System.Drawing/TestImage.cs
+++ b/mcs/class/System.Drawing/Test/System.Drawing/TestImage.cs
@@ -1,15 +1,12 @@
 //
 // Image class testing unit
 //
-// Author:
-//
-// 	 Jordi Mas i Hernàndez (jmas@softcatala.org>
+// Authors:
+// 	Jordi Mas i Hernàndez (jmas@softcatala.org>
+//	Sebastien Pouliot  <sebastien@ximian.com>
 //
 // (C) 2005 Ximian, Inc.  http://www.ximian.com
-//
-
-//
-// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2005-2007 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
@@ -30,26 +27,368 @@
 // 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 NUnit.Framework;
 using System.IO;
-using System.Runtime.InteropServices;
+using System.Reflection;
 using System.Security.Permissions;
+using System.Xml.Serialization;
+using NUnit.Framework;
 
 namespace MonoTests.System.Drawing{
 
 	[TestFixture]
 	[SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
-	public class TestImage {
+	public class ImageTest {
+
+		private string fname;
+		private bool callback;
 
+		[TestFixtureSetUp]
+		public void FixtureSetup ()
+		{
+			fname = Path.GetTempFileName ();
+		}
+
+		[TestFixtureTearDown]
+		public void FixtureTearDown ()
+		{
+			try {
+				File.Delete (fname);
+			}
+			catch {
+			}
+		}
+
+		[SetUp]
+		public void SetUp ()
+		{
+			callback = false;
+		}
 
 		[Test]
 		[ExpectedException (typeof (FileNotFoundException))]
 		public void FileDoesNotExists ()
 		{
-			Image img = Image.FromFile ("FileDoesNotExists.jpg");
+			Image.FromFile ("FileDoesNotExists.jpg");
+		}
+
+		private bool CallbackTrue ()
+		{
+			callback = true;
+			return true;
+		}
+
+		private bool CallbackFalse ()
+		{
+			callback = true;
+			return false;
+		}
+
+		[Test]
+		public void GetThumbnailImage_NullCallback_Tiff ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				// according to documentation a callback is mandatory
+				Image tn = bmp.GetThumbnailImage (10, 5, null, IntPtr.Zero);
+				Assert.AreEqual (5, tn.Height, "Height");
+				Assert.AreEqual (10, tn.Width, "Width");
+				Assert.IsFalse (callback, "Callback called");
+				tn.Save (fname, ImageFormat.Tiff);
+			}
+		}
+
+		[Test]
+		[ExpectedException (typeof (OutOfMemoryException))]
+		public void GetThumbnailImage_Height_Zero ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				Image tn = bmp.GetThumbnailImage (5, 0, new Image.GetThumbnailImageAbort (CallbackFalse), IntPtr.Zero);
+			}
+		}
+
+		[Test]
+		[ExpectedException (typeof (OutOfMemoryException))]
+		public void GetThumbnailImage_Width_Negative ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				Image tn = bmp.GetThumbnailImage (-5, 5, new Image.GetThumbnailImageAbort (CallbackFalse), IntPtr.Zero);
+			}
+		}
+
+		[Test]
+		public void GetThumbnailImage_CallbackData_Invalid ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				// according to documentation IntPtr.Zero must be supplied as data
+				Image tn = bmp.GetThumbnailImage (5, 5, new Image.GetThumbnailImageAbort (CallbackFalse), (IntPtr)Int32.MaxValue);
+				Assert.AreEqual (5, tn.Height, "Height");
+				Assert.AreEqual (5, tn.Width, "Width");
+				Assert.IsFalse (callback, "Callback called");
+				tn.Save (fname, ImageFormat.Tiff);
+			}
+		}
+
+		[Test]
+		public void GetThumbnailImage_SameSize_Bmp ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				Image tn = bmp.GetThumbnailImage (10, 10, new Image.GetThumbnailImageAbort (CallbackFalse), IntPtr.Zero);
+				Assert.AreEqual (10, tn.Height, "Height");
+				Assert.AreEqual (10, tn.Width, "Width");
+				Assert.IsFalse (callback, "Callback called");
+				tn.Save (fname, ImageFormat.Bmp);
+			}
+		}
+
+		[Test]
+		public void GetThumbnailImage_Smaller_Gif ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				Image tn = bmp.GetThumbnailImage (4, 4, new Image.GetThumbnailImageAbort (CallbackTrue), IntPtr.Zero);
+				Assert.AreEqual (4, tn.Height, "Height");
+				Assert.AreEqual (4, tn.Width, "Width");
+				Assert.IsFalse (callback, "Callback called");
+				tn.Save (fname, ImageFormat.Gif);
+			}
+		}
+
+		[Test]
+		public void GetThumbnailImage_Bigger_Png ()
+		{
+			using (Bitmap bmp = new Bitmap (10, 10)) {
+				Image tn = bmp.GetThumbnailImage (40, 40, new Image.GetThumbnailImageAbort (CallbackTrue), IntPtr.Zero);
+				Assert.AreEqual (40, tn.Height, "Height");
+				Assert.AreEqual (40, tn.Width, "Width");
+				Assert.IsFalse (callback, "Callback called");
+				tn.Save (fname, ImageFormat.Png);
+			}
+		}
+
+		[Test]
+#if !NET_2_0
+		[Category ("NotDotNet")] // MS 1.x throws an ArgumentNullException in this case
+#endif
+		public void Stream_Unlocked ()
+		{
+			try {
+				Image img = null;
+				using (MemoryStream ms = new MemoryStream ()) {
+					using (Bitmap bmp = new Bitmap (10, 10)) {
+						bmp.Save (ms, ImageFormat.Png);
+					}
+					ms.Position = 0;
+					img = Image.FromStream (ms);
+				}
+				// stream isn't available anymore
+				((Bitmap) img).MakeTransparent (Color.Transparent);
+			}
+			catch (OutOfMemoryException) {
+				int p = (int) Environment.OSVersion.Platform;
+				// libgdiplus (UNIX) doesn't lazy load the image so the
+				// stream may be freed (and this exception will never occur)
+				if ((p == 4) || (p == 128) || (p == 6))
+					throw;
+			}
+		}
+
+		[Test]
+#if !NET_2_0
+		[Category ("NotDotNet")] // MS 1.x throws an ArgumentNullException in this case
+#endif
+		public void Stream_Locked ()
+		{
+			Image img = null;
+			using (MemoryStream ms = new MemoryStream ()) {
+				using (Bitmap bmp = new Bitmap (10, 10)) {
+					bmp.Save (ms, ImageFormat.Png);
+				}
+				ms.Position = 0;
+				img = Image.FromStream (ms);
+				// stream is available
+				((Bitmap) img).MakeTransparent (Color.Transparent);
+			}
+		}
+
+		[Test]
+#if NET_2_0
+		[Category ("NotWorking")]	// http://bugzilla.ximian.com/show_bug.cgi?id=80558
+#else
+		[ExpectedException (typeof (InvalidOperationException))]
+#endif
+		public void XmlSerialize ()
+		{
+			new XmlSerializer (typeof (Image));
+		}
+
+		private void Wmf (Image img)
+		{
+			Assert.IsFalse (img is Bitmap, "Bitmap");
+			Assert.IsTrue (img is Metafile, "Metafile");
+			// as Image
+			Assert.AreEqual (327683, img.Flags, "Flags");
+			Assert.IsTrue (img.RawFormat.Equals (ImageFormat.Wmf), "Wmf");
+#if NET_2_0
+			Assert.IsNull (img.Tag, "Tag");
+#endif
+		}
+
+		[Test]
+		public void FromFile_Metafile_Wmf ()
+		{
+			string filename = TestBitmap.getInFile ("bitmaps/telescope_01.wmf");
+			using (Image img = Image.FromFile (filename)) {
+				Wmf (img);
+			}
+		}
+
+		[Test]
+		public void FromStream_Metafile_Wmf ()
+		{
+			string filename = TestBitmap.getInFile ("bitmaps/telescope_01.wmf");
+			using (FileStream fs = File.OpenRead (filename)) {
+				using (Image img = Image.FromStream (fs)) {
+					Wmf (img);
+				}
+			}
+		}
+
+		[Test]
+		[Category ("NotWorking")] // https://bugzilla.novell.com/show_bug.cgi?id=338779
+		[ExpectedException (typeof (ArgumentException))]
+		public void FromStream_Metafile_Wmf_NotOrigin ()
+		{
+			string filename = TestBitmap.getInFile ("bitmaps/telescope_01.wmf");
+			using (FileStream fs = File.OpenRead (filename)) {
+				fs.Position = fs.Length / 2;
+				Image.FromStream (fs);
+			}
+		}
+
+		private void Emf (Image img)
+		{
+			Assert.IsFalse (img is Bitmap, "Bitmap");
+			Assert.IsTrue (img is Metafile, "Metafile");
+			// as Image
+			Assert.AreEqual (327683, img.Flags, "Flags");
+			Assert.IsTrue (img.RawFormat.Equals (ImageFormat.Emf), "Emf");
+#if NET_2_0
+			Assert.IsNull (img.Tag, "Tag");
+#endif
+		}
+
+		[Test]
+		public void FromFile_Metafile_Emf ()
+		{
+			string filename = TestBitmap.getInFile ("bitmaps/milkmateya01.emf");
+			using (Image img = Image.FromFile (filename)) {
+				Emf (img);
+			}
+		}
+
+		[Test]
+		public void FromStream_Metafile_Emf ()
+		{
+			string filename = TestBitmap.getInFile ("bitmaps/milkmateya01.emf");
+			using (FileStream fs = File.OpenRead (filename)) {
+				using (Image img = Image.FromStream (fs)) {
+					Emf (img);
+				}
+			}
+		}
+
+		[Test]
+		[Category ("NotWorking")] // https://bugzilla.novell.com/show_bug.cgi?id=338779
+		[ExpectedException (typeof (ArgumentException))]
+		public void FromStream_Metafile_Emf_NotOrigin ()
+		{
+			string filename = TestBitmap.getInFile ("bitmaps/milkmateya01.emf");
+			using (FileStream fs = File.OpenRead (filename)) {
+				fs.Position = fs.Length / 2;
+				Image.FromStream (fs);
+			}
+		}
+
+		[Test]
+		[ExpectedException (typeof (OutOfMemoryException))]
+		public void FromFile_Invalid ()
+		{
+			string filename = Assembly.GetExecutingAssembly ().Location;
+			Image.FromFile (filename);
+		}
+
+		[Test]
+		[ExpectedException (typeof (ArgumentException))]
+		public void FromStream_Invalid ()
+		{
+			string filename = Assembly.GetExecutingAssembly ().Location;
+			using (FileStream fs = File.OpenRead (filename)) {
+				Image.FromStream (fs);
+			}
+		}
+
+		private Bitmap GetBitmap ()
+		{
+			Bitmap bmp = new Bitmap (20, 10, PixelFormat.Format24bppRgb);
+			using (Graphics g = Graphics.FromImage (bmp))
+			{
+				Pen pen = new Pen (Color.Black, 3);
+				g.DrawRectangle (pen, 0, 0, 5, 10);
+			}
+			return bmp;
+		}
+
+		[Test]
+		public void StreamSaveLoad ()
+		{
+			using (MemoryStream ms = new MemoryStream ()) {
+				using (Bitmap bmp = GetBitmap ()) {
+					Assert.AreEqual (0, ms.Position, "Position-1");
+					bmp.Save (ms, ImageFormat.Bmp);
+					Assert.IsTrue (ms.Position > 0, "Position-2");
+
+					ms.Position = ms.Length;
+					Assert.AreEqual (ms.Length, ms.Position, "Position-3");
+
+					Bitmap bmp2 = (Bitmap)Image.FromStream (ms);
+					Assert.IsTrue (ms.Position > 20, "Position-4");
+
+					Assert.IsTrue (bmp2.RawFormat.Equals (ImageFormat.Bmp), "Bmp");
+
+					Assert.AreEqual (bmp.GetPixel (0, 0), bmp2.GetPixel (0, 0), "0,0");
+					Assert.AreEqual (bmp.GetPixel (10, 0), bmp2.GetPixel (10, 0), "10,0");
+				}
+			}
+		}
+
+		[Test]
+		[ExpectedException (typeof (ArgumentException))]
+		public void StreamJunkSaveLoad ()
+		{
+			using (MemoryStream ms = new MemoryStream ()) {
+				// junk
+				ms.WriteByte (0xff);
+				ms.WriteByte (0xef);
+				Assert.AreEqual (2, ms.Position, "Position-1");
+
+				using (Bitmap bmp = GetBitmap ()) {
+					bmp.Save (ms, ImageFormat.Bmp);
+					Assert.IsTrue (ms.Position > 2, "Position-2");
+					// exception here
+					Image.FromStream (ms);
+				}
+			}
+		}
+
+		[Test]
+#if !NET_2_0
+		[ExpectedException (typeof (InvalidOperationException))]
+#endif
+		public void XmlSerialization ()
+		{
+			new XmlSerializer (typeof (Image));
 		}
 	}
 }