mcs/tests/test-524.cs

   1 using System;
   2
   3 public class Foo
   4 {
   5         public static int Main ()
   6         {
   7                 try {
   8                         lock (null) {
   9                                 return 1;
  10                         }
  11                 } catch (ArgumentNullException) {
  12                 }
  13
  14                 for (int i = 0; i < 3; ++i) {
  15                         object token = new object ();
  16
  17                         lock (token)
  18                         {
  19                                 token = null;
  20                         }
  21                 }
  22
  23                 return 0;
  24         }
  25 }