mcs/tests/gtest-fixedbuffer-09.cs

   1 // Compiler options: -unsafe
   2
   3 using System;
   4 using System.Runtime.CompilerServices;
   5
   6 unsafe struct Foo
   7 {
   8         public fixed long FieldName[32];
   9 }
  10
  11 class Test
  12 {
  13         public static int Main ()
  14         {
  15                 var t = typeof (Foo);
  16                 var f = t.GetField ("FieldName");
  17                 var fbas = f.GetCustomAttributes (typeof (FixedBufferAttribute), true)[0] as FixedBufferAttribute;
  18                 if (fbas.Length != 32)
  19                         return 1;
  20
  21                 var fixed_type = typeof (Foo).GetNestedTypes ()[0];
  22                 if (fixed_type.StructLayoutAttribute.Pack != 8)
  23                         return 2;
  24
  25                 if (fixed_type.StructLayoutAttribute.Size != 256)
  26                         return 3;
  27
  28                 return 0;
  29         }
  30 }