mcs/tests/gtest-iter-32.cs

   1 using System.Collections.Generic;
   2
   3 class TestGoto
   4 {
   5   static int x = 2;
   6
   7   public static void Main(string[] args)
   8     {
   9       foreach (bool b in test())
  10         ;
  11       if (x != 0)
  12         throw new System.Exception ();
  13     }
  14
  15   static IEnumerable<bool> setX()
  16   {
  17     x = 1;
  18     try {
  19       yield return true;
  20     } finally {
  21       x = 0;
  22     }
  23   }
  24
  25   static IEnumerable<bool> test()
  26   {
  27     foreach (bool b in setX()) {
  28       yield return true;
  29       // Change "goto label" to "break" to show the correct result.
  30       goto label;
  31     }
  32   label:
  33     yield break;
  34   }
  35 }