1 //
2 // System.Windows.Forms.PaintEventArgs 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.Windows.Forms;
33 using NUnit.Framework;
34 
35 namespace MonoTests.System.Windows.Forms {
36 
37 	[TestFixture]
38 	public class PaintEventArgsTest : TestHelper {
39 
40 		private Graphics default_graphics;
41 		private Rectangle default_rect;
42 
43 		[TestFixtureSetUp]
FixtureSetUp()44 		public void FixtureSetUp ()
45 		{
46 			Bitmap bmp = new Bitmap (200, 200);
47 			default_graphics = Graphics.FromImage (bmp);
48 			default_rect = new Rectangle (Int32.MinValue, Int32.MinValue, Int32.MaxValue, Int32.MaxValue);
49 		}
50 
51 		[Test]
52 		[ExpectedException (typeof (ArgumentNullException))]
Constructor_NullGraphics()53 		public void Constructor_NullGraphics ()
54 		{
55 			new PaintEventArgs (null, default_rect);
56 		}
57 		[Test]
Constructor()58 		public void Constructor ()
59 		{
60 			PaintEventArgs pea = new PaintEventArgs (default_graphics, default_rect);
61 			Assert.AreSame (default_graphics, pea.Graphics, "Graphics");
62 			Assert.AreEqual (default_rect, pea.ClipRectangle);
63 		}
64 
65 		[Test]
Dispose()66 		public void Dispose ()
67 		{
68 			PaintEventArgs pea = new PaintEventArgs (default_graphics, default_rect);
69 			pea.Dispose ();
70 			// uho, under 2.0 we not really disposing the stuff - it means it's not ours to dispose!
71 			Assert.IsTrue (pea.Graphics.Transform.IsIdentity, "Graphics.Transform");
72 		}
73 
74 		[Test]
IDisposable_IDispose()75 		public void IDisposable_IDispose ()
76 		{
77 			Bitmap bmp = new Bitmap (1, 1);
78 			Graphics default_graphics = Graphics.FromImage (bmp);
79 			Rectangle default_rect = new Rectangle (Int32.MinValue, Int32.MinValue, Int32.MaxValue, Int32.MaxValue);
80 
81 			PaintEventArgs pea = new PaintEventArgs (default_graphics, default_rect);
82 			(pea as IDisposable).Dispose ();
83 			// uho, under 2.0 we not really disposing the stuff - it means it's not ours to dispose!
84 			Assert.IsTrue (pea.Graphics.Transform.IsIdentity, "Graphics");
85 		}
86 
87 		[Test]
88 		[ExpectedException (typeof (ArgumentException))]
GraphicsDispose()89 		public void GraphicsDispose ()
90 		{
91 			PaintEventArgs pea = new PaintEventArgs (default_graphics, default_rect);
92 			pea.Graphics.Dispose ();
93 			// a disposed graphics won't accept to return it's transformation matrix
94 			Assert.IsTrue (pea.Graphics.Transform.IsIdentity, "Graphics");
95 		}
96 
97 		public class PaintEventArgsTester: PaintEventArgs {
98 
PaintEventArgsTester(Graphics graphics, Rectangle clipRect)99 			public PaintEventArgsTester (Graphics graphics, Rectangle clipRect)
100 				: base (graphics, clipRect)
101 			{
102 			}
103 
DisposeBool(bool disposing)104 			public void DisposeBool (bool disposing)
105 			{
106 				base.Dispose (disposing);
107 			}
108 		}
109 
110 		[Test]
111 		// under MS runtime it throws an exception under nunit-console, but not when running under NUnit GUI
112 		[Category ("NotDotNet")]
113 		[ExpectedException (typeof (ArgumentException))]
Dispose_True()114 		public void Dispose_True ()
115 		{
116 			Bitmap bmp = new Bitmap (1, 1);
117 			Graphics default_graphics = Graphics.FromImage (bmp);
118 			Rectangle default_rect = new Rectangle (Int32.MinValue, Int32.MinValue, Int32.MaxValue, Int32.MaxValue);
119 
120 			PaintEventArgsTester pea = new PaintEventArgsTester (default_graphics, default_rect);
121 			pea.Graphics.Dispose ();
122 			pea.DisposeBool (true);
123 			Assert.IsTrue (pea.Graphics.Transform.IsIdentity, "Graphics.Transform");
124 		}
125 
126 		[Test]
127 		// under MS runtime it throws an exception under nunit-console, but not when running under NUnit GUI
128 		[Category ("NotDotNet")]
129 		[ExpectedException (typeof (ArgumentException))]
Dispose_False()130 		public void Dispose_False ()
131 		{
132 			Bitmap bmp = new Bitmap (1, 1);
133 			Graphics default_graphics = Graphics.FromImage (bmp);
134 			Rectangle default_rect = new Rectangle (Int32.MinValue, Int32.MinValue, Int32.MaxValue, Int32.MaxValue);
135 
136 			PaintEventArgsTester pea = new PaintEventArgsTester (default_graphics, default_rect);
137 			pea.Graphics.Dispose ();
138 			pea.DisposeBool (false);
139 			Assert.IsTrue (pea.Graphics.Transform.IsIdentity, "Graphics.Transform");
140 		}
141 	}
142 }
143