public static void DynamicInvoke_RefValueTypeParameter(object[] args, object[] expected)
{
Delegate d = new RefIntDelegate(RefIntMethod);
d.DynamicInvoke(args);
Assert.Equal(expected, args);
}
public static void DynamicInvoke_TypeDoesntExactlyMatchRefValueType_ThrowsArgumentException()
{
Delegate d = new RefIntDelegate(RefIntMethod);
Assert.Throws <ArgumentException>(null, () => d.DynamicInvoke((uint)7));
Assert.Throws <ArgumentException>(null, () => d.DynamicInvoke(IntEnum.One));
}
public static int Static_Void_RefInt(int value)
{
var dlg = new RefIntDelegate(Static_Void_RefIntImpl);
var v = value;
dlg(ref v);
return(v);
}
public static int Instance_Void_RefInt(int value)
{
var inst = new DelegateTypes();
var dlg = new RefIntDelegate(inst.Instance_Void_RefIntImpl);
var v = value;
dlg(ref v);
return(v);
}
public static int Static_Void_RefInt_Multicast(int value)
{
var dlg1 = new RefIntDelegate(Static_Void_RefIntImpl1);
var dlg2 = new RefIntDelegate(Static_Void_RefIntImpl2);
dlg1 += dlg2;
var v = value;
dlg1(ref v);
return(v);
}
public static void Run()
{
Console.WriteLine("Testing LINQ Expressions...");
{
ParameterExpression pX = Expression.Parameter(typeof(int).MakeByRefType());
RefIntDelegate del =
Expression.Lambda <RefIntDelegate>(
Expression.Call(null, typeof(TestLinqExpressions).GetMethod(nameof(ModifyByRefAndThrow)), pX), pX).Compile();
int i = 0;
try
{
del(ref i);
}
catch (Exception) { }
if (i != 123)
{
throw new Exception();
}
}
}
public static void DynamicInvoke_TypeDoesntExactlyMatchRefValueType_ThrowsArgumentException()
{
Delegate d = new RefIntDelegate(RefIntMethod);
Assert.Throws<ArgumentException>(null, () => d.DynamicInvoke((uint)7));
Assert.Throws<ArgumentException>(null, () => d.DynamicInvoke(IntEnum.One));
}
public static void DynamicInvoke_RefValueTypeParameter(object[] args, object[] expected)
{
Delegate d = new RefIntDelegate(RefIntMethod);
d.DynamicInvoke(args);
Assert.Equal(expected, args);
}
public void CallRefIntDelegate(RefIntDelegate d, ref int value)
{
d(ref value);
}