mono/tests/typeload-unaligned.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3
   4 public class Z {
   5     ~Z() {
   6         Console.WriteLine("Hello, world!");
   7     }
   8 }
   9
  10 [StructLayout(LayoutKind.Explicit)]
  11 public struct X {
  12     [FieldOffset(0)] public short a;
  13     [FieldOffset(2)] public Z z; // Unaligned reference
  14 }
  15
  16 class Y {
  17     static X test() {
  18         X x = new X();
  19         x.z = new Z();
  20         return x;
  21     }
  22
  23     static void test2(X x) {
  24         Console.WriteLine("Object: " + x);
  25     }
  26
  27     static int Main() {
  28         try {
  29                 X t1 = test();
  30                 System.GC.Collect();
  31                 System.GC.Collect();
  32                 System.GC.WaitForPendingFinalizers();
  33                 test2(t1);
  34         } catch (TypeLoadException e) {
  35                 Console.WriteLine ("got correct exception: {0}", e);
  36                 return 0;
  37         }
  38         return 1;
  39     }
  40 }