public void InstanceInvoker()
{
Type tA = typeof( A );
Type tB = typeof( B );
{
// Null or MissingMethodException.
Func<A, int, int> fUnk1 = DelegateHelper.GetInstanceInvoker<Func<A, int, int>>( tA, "SimpleMethod" );
Assert.That( fUnk1, Is.Null );
Func<A, int, string> fUnk2 = DelegateHelper.GetInstanceInvoker<Func<A, int, string>>( tA, "SimpleMethoddUnk" );
Assert.That( fUnk2, Is.Null );
Assert.Throws<MissingMethodException>( () => DelegateHelper.GetInstanceInvoker<Func<A, int, int>>( tA, "SimpleMethod", true ) );
Assert.Throws<MissingMethodException>( () => DelegateHelper.GetInstanceInvoker<Func<A, int, string>>( tA, "SimpleMethodUnk", true ) );
Assert.That( DelegateHelper.GetInstanceInvoker<Func<A, int, int>>( tA, "SimpleMethod", false ), Is.Null );
Assert.That( DelegateHelper.GetInstanceInvoker<Func<A, int, string>>( tA, "SimpleMethodUnk", false ), Is.Null );
}
A a = new A();
B b = new B();
{
Func<A,int, string> fA = DelegateHelper.GetInstanceInvoker<Func<A, int, string>>( tA, "SimpleMethod" );
Assert.That( fA( a, 2 ), Is.EqualTo( "2" ) );
Assert.That( _lastCalledName, Is.EqualTo( "A.SimpleMethod" ) );
Assert.That( _lastCalledParam, Is.EqualTo( 2 ) );
Assert.That( fA( b, 3 ), Is.EqualTo( "3" ) );
Assert.That( _lastCalledName, Is.EqualTo( "B.SimpleMethod" ), "Calling the virtual method: B method." );
Assert.That( _lastCalledParam, Is.EqualTo( 3 ) );
}
}