38 lines
902 B
C#
38 lines
902 B
C#
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using System;
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using System.Linq.Expressions;
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using System.Collections;
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using System.Collections.Generic;
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class C
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{
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static void AssertNodeType (LambdaExpression e, ExpressionType et)
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{
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if (e.Body.NodeType != et)
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throw new ApplicationException (e.Body.NodeType + " != " + et);
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}
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static void Assert<T> (T expected, T value)
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{
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if (!EqualityComparer<T>.Default.Equals (expected, value)) {
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throw new ApplicationException (expected + " != " + value);
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}
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}
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public static int Main()
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{
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// It also tests constant boxing
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Expression<Func<ArrayList>> e1 = () => new ArrayList { null, "Hello", "World", 5 };
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AssertNodeType (e1, ExpressionType.ListInit);
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/* Verification exception on .NET */
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var re1 = e1.Compile ().Invoke ();
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Assert (null, re1 [0]);
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Assert ("Hello", re1 [1]);
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Assert ("World", re1 [2]);
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Assert (5, re1 [3]);
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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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