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

   1 //
   2 // BitmapCas.cs - CAS unit tests for System.Drawing.Bitmap
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005 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 NUnit.Framework;
  30
  31 using System;
  32 using System.Drawing;
  33 using System.Reflection;
  34 using System.Security;
  35 using System.Security.Permissions;
  36 using System.Security.Policy;
  37
  38 namespace MonoCasTests.System.Drawing {
  39
  40         [TestFixture]
  41         [Category ("CAS")]
  42         public class BitmapCas {
  43
  44                 private MethodInfo getHbitmap1;
  45                 private MethodInfo getHbitmap2;
  46                 private MethodInfo getHicon;
  47
  48                 [TestFixtureSetUp]
  49                 public void FixtureSetUp ()
  50                 {
  51                         // this executes at fulltrust
  52                         getHbitmap1 = typeof (Bitmap).GetMethod ("GetHbitmap", new Type[0]);
  53                         getHbitmap2 = typeof (Bitmap).GetMethod ("GetHbitmap", new Type[1] { typeof (Color) });
  54                         getHicon = typeof (Bitmap).GetMethod ("GetHicon");
  55                 }
  56
  57                 [SetUp]
  58                 public void SetUp ()
  59                 {
  60                         if (!SecurityManager.SecurityEnabled)
  61                                 Assert.Ignore ("SecurityManager.SecurityEnabled is OFF");
  62                 }
  63
  64                 [Test]
  65                 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  66                 public void GetHbitmap ()
  67                 {
  68                         Bitmap b = new Bitmap (10, 10);
  69                         try {
  70                                 Assert.IsTrue (b.GetHbitmap () != IntPtr.Zero, "GetHbitmap");
  71                         }
  72                         catch (NotImplementedException) {
  73                                 // not available on Mono
  74                         }
  75                         try {
  76                                 Assert.IsTrue (b.GetHbitmap (Color.Aqua) != IntPtr.Zero, "GetHbitmap(Color)");
  77                         }
  78                         catch (NotImplementedException) {
  79                                 // not available on Mono
  80                         }
  81                 }
  82
  83                 [Test]
  84                 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  85                 public void GetHicon ()
  86                 {
  87                         Bitmap b = new Bitmap (10, 10);
  88                         try {
  89                                 Assert.IsTrue (b.GetHicon () != IntPtr.Zero, "GetHicon");
  90                         }
  91                         catch (NotImplementedException) {
  92                                 // not available on Mono
  93                         }
  94                 }
  95
  96                 // we use reflection to call Bitmap as it's GetHbitmap and GetHicon methods
  97                 // are protected by a LinkDemand (which will be converted into full demand,
  98                 // i.e. a stack walk) when reflection is used (i.e. it gets testable).
  99
 100                 [Test]
 101                 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
 102                 [ExpectedException (typeof (SecurityException))]
 103                 public void GetHbitmap_Empty_LinkDemand ()
 104                 {
 105                         // requires FullTrust, so denying anything break the requirements
 106                         Assert.IsNotNull (getHbitmap1, "GetHbitmap");
 107                         Bitmap b = new Bitmap (10, 10);
 108                         getHbitmap1.Invoke (b, null);
 109                 }
 110
 111                 [Test]
 112                 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
 113                 [ExpectedException (typeof (SecurityException))]
 114                 public void GetHbitmap_Color_LinkDemand ()
 115                 {
 116                         // requires FullTrust, so denying anything break the requirements
 117                         Assert.IsNotNull (getHbitmap2, "GetHbitmap(Color)");
 118                         Bitmap b = new Bitmap (10, 10);
 119                         getHbitmap2.Invoke (b, new object[1] { Color.Aqua });
 120                 }
 121
 122                 [Test]
 123                 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
 124                 [ExpectedException (typeof (SecurityException))]
 125                 public void GetHicon_LinkDemand ()
 126                 {
 127                         // requires FullTrust, so denying anything break the requirements
 128                         Assert.IsNotNull (getHicon, "GetHicon");
 129                         Bitmap b = new Bitmap (10, 10);
 130                         getHicon.Invoke (b, null);
 131                 }
 132         }
 133 }