mono/tests/test-byval-in-struct.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3
   4 [StructLayout (LayoutKind.Explicit)]
   5 struct TestStructure {
   6         [FieldOffset (0)]
   7         internal int number;
   8         [FieldOffset (8)]
   9         [MarshalAs(UnmanagedType.ByValArray, SizeConst=1024)]
  10         internal byte[] stuff;
  11
  12         static int Main () {
  13                 int size = Marshal.SizeOf(typeof(TestStructure));
  14                 Console.WriteLine("Size of t: {0}", size);
  15                 if (size != 1032)
  16                         return 1;
  17
  18                 size = Marshal.SizeOf(typeof(TestStructure2));
  19                 Console.WriteLine("Size of t2: {0}", size);
  20                 if (size != 8)
  21                         return 2;
  22
  23                 return 0;
  24         }
  25 }
  26
  27 [StructLayout (LayoutKind.Explicit)]
  28 struct TestStructure2 {
  29         [FieldOffset (0)]
  30         byte val;
  31         [FieldOffset (2)]
  32         int val2;
  33 }