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