mono/tests/recursive-struct-arrays.cs

   1 using System;
   2
   3 /* Test that the runtime can represent value types that have array fields that
   4  * recursively refer to the same value type */
   5
   6 struct S1 {
   7         static S1[][] foo;
   8 }
   9
  10 struct S2 {
  11         static S2[] foo;
  12 }
  13
  14 struct S3a {
  15         static S3b[] foo;
  16 }
  17
  18 struct S3b {
  19         static S3a[][] foo;
  20 }
  21
  22 struct P<X> where X : struct {
  23         static P<X>[][] foo;
  24 }
  25
  26 public struct S4
  27 {
  28         private static S4[][] foo;
  29
  30         public static readonly S4 West = new S4(-1, 0);
  31         public static readonly S4 East = new S4(1, 0);
  32         public static readonly S4 North = new S4(0, 1);
  33         public static readonly S4 South = new S4(0, -1);
  34         public static readonly S4[] Directions = { North, South, East, West };
  35
  36         public readonly int x;
  37         public readonly int z;
  38
  39         public S4(int x, int z)
  40         {
  41                 this.x = x;
  42                 this.z = z;
  43         }
  44
  45         public override string ToString()
  46         {
  47                 return string.Format("[{0}, {1}]", x, z);
  48         }
  49 }
  50
  51
  52 class Program {
  53         static int Main() {
  54                 Console.WriteLine (typeof (S1).Name);
  55                 Console.WriteLine (typeof (S2).Name);
  56                 Console.WriteLine (typeof (S3a).Name);
  57                 Console.WriteLine (typeof (S3b).Name);
  58                 foreach (var s4 in S4.Directions) {
  59                         Console.WriteLine (s4);
  60                 }
  61                 Console.WriteLine (typeof (P<S1>).Name);
  62                 Console.WriteLine (typeof (P<int>).Name);
  63                 return 0;
  64         }
  65 }