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

   1 //
   2 // System.Drawing.SolidBrush unit tests
   3 //
   4 // Authors:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2006-2007 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.Security.Permissions;
  32 using NUnit.Framework;
  33
  34 namespace MonoTests.System.Drawing {
  35
  36         [TestFixture]
  37         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  38         public class SolidBrushTest {
  39
  40                 [Test]
  41                 public void Transparent ()
  42                 {
  43                         SolidBrush sb = new SolidBrush (Color.Transparent);
  44                         Assert.AreEqual (Color.Transparent, sb.Color, "Color");
  45                         sb.Color = Color.Empty;
  46                         SolidBrush clone = (SolidBrush) sb.Clone ();
  47                         sb.Dispose ();
  48                         Assert.AreEqual (Color.Empty.ToArgb (), clone.Color.ToArgb (), "Clone.Color");
  49                 }
  50
  51                 [Test]
  52                 public void Dispose_Color ()
  53                 {
  54                         SolidBrush sb = new SolidBrush (Color.Transparent);
  55                         sb.Dispose ();
  56                         Assert.AreEqual (Color.Transparent, sb.Color, "Color");
  57                         // no exception - the call probably doesn't get to gdi+
  58                 }
  59
  60                 [Test]
  61                 [ExpectedException (typeof (ArgumentException))]
  62                 public void Dispose_Clone ()
  63                 {
  64                         SolidBrush sb = new SolidBrush (Color.Transparent);
  65                         sb.Dispose ();
  66                         sb.Clone ();
  67                 }
  68
  69                 [Test]
  70                 public void Dispose_Dispose ()
  71                 {
  72                         SolidBrush sb = new SolidBrush (Color.Transparent);
  73                         sb.Dispose ();
  74                         sb.Dispose ();
  75                 }
  76
  77                 [Test]
  78                 public void FillRectangle ()
  79                 {
  80                         using (Bitmap bmp = new Bitmap (10, 10)) {
  81                                 using (Graphics g = Graphics.FromImage (bmp)) {
  82                                         SolidBrush sb = new SolidBrush (Color.Red);
  83                                         g.FillRectangle (sb, 0, 0, 9, 9);
  84                                         sb.Color = Color.Blue;
  85                                         g.FillRectangle (sb, 4, 4, 5, 5);
  86                                 }
  87                                 Assert.AreEqual (Color.Red.ToArgb (), bmp.GetPixel (0, 0).ToArgb (), "0,0");
  88                                 Assert.AreEqual (Color.Blue.ToArgb (), bmp.GetPixel (8, 8).ToArgb (), "8,8");
  89                                 Assert.AreEqual (0, bmp.GetPixel (9, 9).ToArgb (), "9,9");
  90                         }
  91                 }
  92
  93                 [Test]
  94                 public void DrawLine ()
  95                 {
  96                         using (Bitmap bmp = new Bitmap (10, 10)) {
  97                                 using (Graphics g = Graphics.FromImage (bmp)) {
  98                                         SolidBrush sb = new SolidBrush (Color.Red);
  99                                         Pen p = new Pen (sb);
 100                                         g.DrawLine (p, 0, 0, 9, 9);
 101                                         sb.Color = Color.Blue;
 102                                         g.DrawLine (p, 8, 8, 4, 4); // pen is still red
 103                                 }
 104                                 Assert.AreEqual (Color.Red.ToArgb (), bmp.GetPixel (0, 0).ToArgb (), "0,0");
 105                                 Assert.AreEqual (Color.Red.ToArgb (), bmp.GetPixel (8, 8).ToArgb (), "8,8");
 106                                 Assert.AreEqual (Color.Red.ToArgb (), bmp.GetPixel (9, 9).ToArgb (), "9,9"); // include end point
 107                         }
 108                         using (Bitmap bmp = new Bitmap (10, 10)) {
 109                                 using (Graphics g = Graphics.FromImage (bmp)) {
 110                                         SolidBrush sb = new SolidBrush (Color.Red);
 111                                         Pen p = new Pen (sb);
 112                                         g.DrawLine (p, float.NaN, float.NaN, 9, 9);
 113                                 }
 114                                 Assert.AreNotEqual (Color.Red.ToArgb (), bmp.GetPixel (0, 0).ToArgb (), "#DrawLine: Drew Line with NaN value when shouldn't have");
 115                         }
 116                 }
 117
 118                 [Test]
 119                 public void Clone ()
 120                 {
 121                         using (SolidBrush sb = new SolidBrush (Color.Transparent)) {
 122                                 // we still get a "named" color
 123                                 Assert.AreEqual (Color.Transparent, sb.Color, "Color");
 124                                 using (SolidBrush clone = (SolidBrush) sb.Clone ()) {
 125                                         // but not after cloning the brush
 126                                         Assert.IsFalse (Color.Transparent.Equals (clone.Color), "Color-Clone-Unnamed");
 127                                         Assert.AreEqual (Color.Transparent.ToArgb (), clone.Color.ToArgb (), "Color-Clone-Argb");
 128                                 }
 129                         }
 130                 }
 131         }
 132 }