74 lines
1.2 KiB
C#
74 lines
1.2 KiB
C#
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//
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// Tests the using statement implementation
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//
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using System;
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using System.IO;
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class MyDispose : IDisposable {
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public bool disposed;
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public void Dispose ()
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{
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disposed = true;
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}
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}
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class X {
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public static int Main ()
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{
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MyDispose copy_a, copy_b, copy_c;
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//
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// Test whether the two `a' and `b' get disposed
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//
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using (MyDispose a = new MyDispose (), b = new MyDispose ()){
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copy_a = a;
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copy_b = b;
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}
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if (!copy_a.disposed)
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return 1;
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if (!copy_b.disposed)
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return 2;
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Console.WriteLine ("Nested using clause disposed");
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//
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// See if the variable `b' is disposed if there is
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// an error thrown inside the using block.
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//
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copy_c = null;
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try {
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using (MyDispose c = new MyDispose ()){
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copy_c = c;
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throw new Exception ();
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}
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} catch {}
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if (!copy_c.disposed)
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return 3;
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else
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Console.WriteLine ("Disposal on finally block works");
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//
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// This should test if `a' is non-null before calling dispose
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// implicitly
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//
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using (MyDispose d = null){
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}
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Console.WriteLine ("Null test passed");
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MyDispose bb = new MyDispose ();
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using (bb){
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}
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if (bb.disposed == false)
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return 6;
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Console.WriteLine ("All tests pass");
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return 0;
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}
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}
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