48 lines
917 B
C#
48 lines
917 B
C#
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// Compiler options: -unsafe
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using System;
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using System.Runtime.InteropServices;
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class A
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{
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[StructLayout (LayoutKind.Sequential)]
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struct S { int x; }
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public class B
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{
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[StructLayout (LayoutKind.Sequential)]
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struct S { int x; int y; }
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S s;
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public B () {
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string error = "";
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unsafe {
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if (typeof (S *).GetElementType () != typeof (A.B.S))
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error += " composed cast (pointer),";
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if (sizeof (S) != sizeof (A.B.S))
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error += " sizeof,";
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S *p1 = stackalloc S [1];
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if ((*p1).GetType () != typeof (A.B.S))
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error += " local declaration, 'stackalloc' keyword,";
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fixed (S *p2 = &s) {
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if ((*p2).GetType () != typeof (A.B.S))
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error += " class declaration, 'fixed' statement,";
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}
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}
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if (error.Length != 0)
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throw new Exception ("The following couldn't resolve S as A+B+S:" + error);
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}
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}
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public static void Main()
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{
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object o = new A.B();
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}
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}
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