83 lines
1.5 KiB
C#
83 lines
1.5 KiB
C#
// Compiler options: -unsafe
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using System;
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using System.Linq.Expressions;
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delegate void EmptyDelegate ();
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unsafe delegate int* UnsafeDelegate ();
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class C
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{
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static int i;
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static void Test ()
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{
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i += 9;
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}
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static unsafe int* Foo ()
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{
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return (int*)1;
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}
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void M ()
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{
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}
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int TestInstance ()
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{
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Expression<Func<EmptyDelegate>> e = () => M;
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if (e.Body.ToString () != "Convert(Void M().CreateDelegate(EmptyDelegate, value(C)))")
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return 1;
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e.Compile () ();
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Expression<Func<C, EmptyDelegate>> e2 = (l) => l.M;
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if (e2.Body.ToString () != "Convert(Void M().CreateDelegate(EmptyDelegate, l))")
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return 2;
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e2.Compile () (this);
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return 0;
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}
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public static int Main ()
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{
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Expression<Func<EmptyDelegate>> e = () => new EmptyDelegate (Test);
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if (e.Body.ToString () != "Convert(Void Test().CreateDelegate(EmptyDelegate, null))")
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return 1;
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var v = e.Compile ();
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v.Invoke ()();
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if (i != 9)
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return 2;
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Expression<Func<EmptyDelegate>> e2 = () => Test;
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if (e2.Body.ToString () != "Convert(Void Test().CreateDelegate(EmptyDelegate, null))")
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return 3;
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var v2 = e2.Compile ();
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v2.Invoke ()();
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if (i != 18)
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return 4;
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unsafe {
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Expression<Func<UnsafeDelegate>> e3 = () => new UnsafeDelegate (Foo);
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if (e3.Body.ToString () != "Convert(Int32* Foo().CreateDelegate(UnsafeDelegate, null))")
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return 5;
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var v3 = e3.Compile ();
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if (v3.Invoke ()() != (int*)1)
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return 6;
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}
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if (new C ().TestInstance () != 0)
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return 7;
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Console.WriteLine ("OK");
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return 0;
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}
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}
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