public static object CreateInstance(Type applicableType, Action <DynamicProxyInvoker> implementationBuildingMethod, params object[] constructorArgs)
{
DynamicProxyInvoker invoker = new DynamicProxyInvoker();
implementationBuildingMethod.Invoke(invoker);
return(CreateInstance(applicableType, invoker, constructorArgs));
}
public void DefaultThrowsException()
{
try {
DynamicProxyInvoker target = new DynamicProxyInvoker();
IDemoService proxy1 = DynamicProxy.CreateInstance <IDemoService>(target);
proxy1.Foo(0, "");
Assert.Fail("a NotImplementedException should have been thrown, but didnt!");
}
catch (NotImplementedException ex) {
Assert.AreEqual("There is no Implementation for Method Foo(bar, suffix)", ex.Message);
}
}
public void DynamicImplementationOfInterface()
{
DynamicProxyInvoker target = new DynamicProxyInvoker();
target.DefineMethod("Foo",
(int bar, string suffix) => {
return(bar.ToString() + " " + suffix);
}
);
IDemoService proxy1 = DynamicProxy.CreateInstance <IDemoService>(target);
string result1 = proxy1.Foo(123, "Hello");
Assert.AreEqual("123 Hello", result1);
}
public void DefaultWithCustomFallback()
{
DynamicProxyInvoker target = new DynamicProxyInvoker();
target.FallbackInvokeMethod = (method, args, names) => {
Assert.AreEqual("Foo", method);
Assert.AreEqual("booooo", args[1]);
return("hihi");
};
IDemoService proxy1 = DynamicProxy.CreateInstance <IDemoService>(target);
string result = proxy1.Foo(0, "booooo");
Assert.AreEqual("hihi", result);
}
public void DynamicSpecializationOfClass()
{
DynamicProxyInvoker target = new DynamicProxyInvoker();
target.DefineMethod("GetMyName",
() => {
return("Newton");
}
);
AnotherServiceToHijack proxy2 = DynamicProxy.CreateInstance <AnotherServiceToHijack>(target);
string result2 = proxy2.GetMyName();
Assert.AreEqual("Newton", result2);
}