mcs/tests/test-iter-08.cs

   1 // Compiler options: -langversion:default
   2
   3 using System;
   4 using System.Collections;
   5
   6 public class Foo : IDisposable
   7 {
   8         public readonly int Data;
   9
  10         public Foo (int data)
  11         {
  12                 this.Data = data;
  13         }
  14
  15         public bool disposed;
  16
  17         public void Dispose ()
  18         {
  19                 disposed = true;
  20         }
  21 }
  22
  23 class X
  24 {
  25         public static IEnumerable Test (int a, int b)
  26         {
  27                 Foo foo3, foo4;
  28
  29                 using (Foo foo1 = new Foo (a), foo2 = new Foo (b)) {
  30                         yield return foo1.Data;
  31                         yield return foo2.Data;
  32
  33                         foo3 = foo1;
  34                         foo4 = foo2;
  35                 }
  36
  37                 yield return foo3.disposed;
  38                 yield return foo4.disposed;
  39         }
  40
  41         public static int Main ()
  42         {
  43                 ArrayList list = new ArrayList ();
  44                 foreach (object data in Test (3, 5))
  45                         list.Add (data);
  46
  47                 if (list.Count != 4)
  48                         return 1;
  49                 if ((int) list [0] != 3)
  50                         return 2;
  51                 if ((int) list [1] != 5)
  52                         return 3;
  53                 if (!(bool) list [2])
  54                         return 4;
  55                 if (!(bool) list [3])
  56                         return 5;
  57
  58                 return 0;
  59         }
  60 }