mcs/class/corlib/Test/System.Reflection/FieldInfoTest.cs

   1 //
   2 // FieldInfoTest - NUnit Test Cases for the FieldInfo class
   3 //
   4 // Zoltan Varga (vargaz@freemail.hu)
   5 //
   6 // (c) 2003 Ximian, Inc. (http://www.ximian.com)
   7 // Copyright (C) 2004 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.Threading;
  31 using System.Reflection;
  32 using System.Reflection.Emit;
  33 using System.Runtime.InteropServices;
  34
  35 using NUnit.Framework;
  36
  37 namespace MonoTests.System.Reflection
  38 {
  39
  40 [StructLayout(LayoutKind.Explicit, Pack = 4, Size = 64)]
  41 public class Class1 {
  42         [FieldOffset (32)]
  43         public int i;
  44 }
  45
  46 [StructLayout(LayoutKind.Sequential)]
  47 public class Class2 {
  48         [MarshalAsAttribute(UnmanagedType.Bool)]
  49         public int f0;
  50
  51         [MarshalAs(UnmanagedType.LPArray, ArraySubType=UnmanagedType.LPStr)]
  52         public string[] f1;
  53
  54         [MarshalAs(UnmanagedType.ByValTStr, SizeConst=100)]
  55         public string f2;
  56
  57         // This doesn't work under mono
  58         //[MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")]
  59         //public object f3;
  60 }
  61
  62 [TestFixture]
  63 public class FieldInfoTest : Assertion
  64 {
  65         [NonSerialized]
  66         public int i;
  67
  68 #if NET_2_0
  69         [Test]
  70         public void PseudoCustomAttributes () {
  71                 Type t = typeof (FieldInfoTest);
  72
  73                 AssertEquals (1, t.GetField ("i").GetCustomAttributes (typeof (NonSerializedAttribute), true).Length);
  74
  75                 FieldOffsetAttribute field_attr = (FieldOffsetAttribute)(typeof (Class1).GetField ("i").GetCustomAttributes (true) [0]);
  76                 AssertEquals (32, field_attr.Value);
  77
  78                 MarshalAsAttribute attr;
  79
  80                 attr = (MarshalAsAttribute)typeof (Class2).GetField ("f0").GetCustomAttributes (true) [0];
  81                 AssertEquals (UnmanagedType.Bool, attr.Value);
  82
  83                 attr = (MarshalAsAttribute)typeof (Class2).GetField ("f1").GetCustomAttributes (true) [0];
  84                 AssertEquals (UnmanagedType.LPArray, attr.Value);
  85                 AssertEquals (UnmanagedType.LPStr, attr.ArraySubType);
  86
  87                 attr = (MarshalAsAttribute)typeof (Class2).GetField ("f2").GetCustomAttributes (true) [0];
  88                 AssertEquals (UnmanagedType.ByValTStr, attr.Value);
  89                 AssertEquals (100, attr.SizeConst);
  90
  91                 /*
  92                 attr = (MarshalAsAttribute)typeof (Class2).GetField ("f3").GetCustomAttributes (true) [0];
  93                 AssertEquals (UnmanagedType.CustomMarshaler, attr.Value);
  94                 AssertEquals ("5", attr.MarshalCookie);
  95                 AssertEquals (typeof (Marshal1), Type.GetType (attr.MarshalType));
  96                 */
  97         }
  98 #endif
  99 }
 100 }