98 lines
1.9 KiB
C#
98 lines
1.9 KiB
C#
// Compiler options: -unsafe
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Microsoft.CSharp.RuntimeBinder;
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class Helper
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{
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public unsafe static int* Foo (int i)
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{
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return null;
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}
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}
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class Tester
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{
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#pragma warning disable 169
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void NonInvocable ()
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{
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AssertError (
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() => {
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dynamic d = 1;
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d ();
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}, "Cannot invoke a non-delegate type `int'");
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}
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void Using_1 ()
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{
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AssertError (
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() => {
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using (dynamic d = 1) { }
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}, "Cannot implicitly convert type `int' to `System.IDisposable'");
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}
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void Unsafe_1 ()
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{
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dynamic d = 1;
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AssertError (
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() => Helper.Foo (d),
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"Pointers and fixed size buffers cannot be used in a dynamic context");
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}
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void NullableConversion ()
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{
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dynamic d = 1;
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AssertError (
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() => {
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dynamic b = false;
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byte? b2 = null;
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b &= b2;
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}, "Operator `&=' cannot be applied to operands of type `bool' and `byte?'");
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}
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#pragma warning restore 169
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static void AssertError (Action a, string msg)
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{
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try {
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a ();
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} catch (RuntimeBinderException e) {
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if (e.Message != msg)
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throw new ApplicationException ("Expected error message: " + e.Message);
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return;
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}
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throw new ApplicationException ("Expected error");
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}
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static bool RunTest (MethodInfo test)
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{
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Console.Write ("Running test {0, -25}", test.Name);
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try {
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test.Invoke (new Tester (), null);
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Console.WriteLine ("OK");
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return true;
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} catch (Exception e) {
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Console.WriteLine ("FAILED");
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Console.WriteLine (e.InnerException.Message);
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return false;
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}
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}
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public static int Main ()
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{
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var tests = from test in typeof (Tester).GetMethods (BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.DeclaredOnly)
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where test.GetParameters ().Length == 0
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orderby test.Name
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select RunTest (test);
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int failures = tests.Count (a => !a);
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Console.WriteLine (failures + " tests failed");
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return failures;
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}
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}
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