mcs/tests/gtest-513.cs

   1 using System;
   2
   3 struct S : IDisposable
   4 {
   5         public static int hit;
   6
   7         void IDisposable.Dispose ()
   8         {
   9                 hit++;
  10         }
  11
  12         public void Dispose ()
  13         {
  14                 throw new ApplicationException ();
  15         }
  16 }
  17
  18 class C : IDisposable
  19 {
  20
  21         void IDisposable.Dispose ()
  22         {
  23         }
  24
  25         public void Dispose ()
  26         {
  27                 throw new ApplicationException ();
  28         }
  29 }
  30
  31 class Test
  32 {
  33         public static int Main ()
  34         {
  35                 using (new S? ()) {
  36                 }
  37
  38                 if (S.hit != 0)
  39                         return 1;
  40
  41                 using (new C ()) {
  42                 }
  43
  44                 var s = new S ();
  45                 using (s) {
  46                 }
  47
  48                 if (S.hit != 1)
  49                         return 2;
  50
  51                 GenMethod (s);
  52
  53                 if (S.hit != 2)
  54                         return 3;
  55
  56                 Console.WriteLine ("ok");
  57                 return 0;
  58         }
  59
  60         static void GenMethod<T> (T t) where T : IDisposable
  61         {
  62                 using (t) {
  63                 }
  64         }
  65 }