mcs/tests/2test-8.cs

   1 using System;
   2 using System.Collections;
   3
   4 public class Test
   5 {
   6         public IEnumerable Foo (int a)
   7         {
   8                 try {
   9                         try {
  10                                 yield return a;
  11                         } finally {
  12                                 Console.WriteLine ("Hello World");
  13                         }
  14
  15                         Console.WriteLine ("Next block");
  16
  17                         try {
  18                                 yield return a * a;
  19                         } finally {
  20                                 Console.WriteLine ("Boston");
  21                         }
  22                 } finally {
  23                         Console.WriteLine ("Outer finally");
  24                 }
  25
  26                 Console.WriteLine ("Outer block");
  27                 yield break;
  28         }
  29 }
  30
  31 class X
  32 {
  33         static int Main ()
  34         {
  35                 Test test = new Test ();
  36
  37                 ArrayList list = new ArrayList ();
  38                 foreach (object o in test.Foo (5))
  39                         list.Add (o);
  40
  41                 if (list.Count != 2)
  42                         return 1;
  43                 if ((int) list [0] != 5)
  44                         return 2;
  45                 if ((int) list [1] != 25)
  46                         return 3;
  47
  48                 IEnumerable a = test.Foo (5);
  49
  50                 IEnumerator b = a as IEnumerator;
  51                 if (b != null) {
  52                         if (b.MoveNext ())
  53                                 return 4;
  54                 }
  55
  56                 IEnumerator c = a.GetEnumerator ();
  57                 if (!c.MoveNext ())
  58                         return 5;
  59                 if ((int) c.Current != 5)
  60                         return 6;
  61                 if (!c.MoveNext ())
  62                         return 7;
  63                 if ((int) c.Current != 25)
  64                         return 8;
  65
  66                 IEnumerator d = a.GetEnumerator ();
  67
  68                 if ((int) c.Current != 25)
  69                         return 9;
  70                 if (!d.MoveNext ())
  71                         return 10;
  72                 if ((int) c.Current != 25)
  73                         return 11;
  74                 if ((int) d.Current != 5)
  75                         return 12;
  76
  77                 if (c.MoveNext ())
  78                         return 13;
  79
  80                 ((IDisposable) a).Dispose ();
  81                 return 0;
  82         }
  83 }