mcs/tests/test-636.cs

   1 using System;
   2 class Foo {
   3   static int calls;
   4   static bool False { get { ++calls; return true; } }
   5   static void ping () { ++calls; }
   6   static int test_while (int n)
   7   {
   8     int i = 0;
   9     calls = 0;
  10     while (!(False & false)) {
  11       if (calls != ++i)
  12         throw new Exception ();
  13       if (calls == n)
  14         return 0;
  15     }
  16   }
  17   static int test_do_while (int n)
  18   {
  19     int i = 0;
  20     calls = 0;
  21     do {
  22       if (calls != i++)
  23         throw new Exception ();
  24       if (calls == n)
  25         return 0;
  26     } while (!(False & false));
  27   }
  28   static int test_for (int n)
  29   {
  30     int i = 2;
  31     calls = 0;
  32     for (bool dummy = False; !(False & false); ++i) {
  33       if (calls != i)
  34         throw new Exception ();
  35       if (calls == n)
  36         return 0;
  37     }
  38   }
  39   static void test_for_empty ()
  40   {
  41     calls = 0;
  42     for (ping (); False & false; )
  43       throw new Exception ();
  44     if (calls != 2)
  45       throw new Exception ();
  46   }
  47
  48   public static void Main ()
  49   {
  50     test_while (100);
  51     test_do_while (100);
  52     test_for (100);
  53     test_for_empty ();
  54   }
  55 }