public void Unproxied_methods_should_pass_through_to_target()
{
var target = new HasVirtualStringAutoProperty();
var options = new ProxyGenerationOptions(
hook: new ProxySomeMethodsHook(
shouldInterceptMethod: (_, method) =>
method.Name == "set_" + nameof(HasVirtualStringAutoProperty.Property)
)
);
var convertToLowerThenProceed = new WithCallbackInterceptor(
invocation =>
{
string value = (string)invocation.GetArgumentValue(0);
string lowerCase = value?.ToLowerInvariant();
invocation.SetArgumentValue(0, lowerCase);
invocation.Proceed();
}
);
var proxy = generator.CreateClassProxyWithTarget(
target,
options,
convertToLowerThenProceed
);
proxy.Property = "HELLO WORLD";
Assert.AreEqual("hello world", target.Property);
Assert.AreEqual("hello world", proxy.Property);
}
public void CanCallMethodWithOutParameter()
{
int i;
var interceptor = new WithCallbackInterceptor(delegate { });
var proxy = (IWithRefOut)generator.CreateInterfaceProxyWithoutTarget(typeof(IWithRefOut), interceptor);
proxy.Do(out i);
}
public void CanAffectValueOfOutParameter()
{
int i;
var interceptor =
new WithCallbackInterceptor(delegate(IInvocation invocation) { invocation.Arguments[0] = 5; });
var proxy = (IWithRefOut)generator.CreateInterfaceProxyWithoutTarget(typeof(IWithRefOut), interceptor);
proxy.Do(out i);
Assert.AreEqual(5, i);
}
public void CanCreateProxyWithRefParam()
{
var i = 3;
var interceptor =
new WithCallbackInterceptor(delegate(IInvocation invocation) { invocation.Arguments[0] = 5; });
var proxy = (IWithRefOut)generator.CreateInterfaceProxyWithoutTarget(typeof(IWithRefOut), interceptor);
proxy.Did(ref i);
Assert.AreEqual(5, i);
}
public void Same_Interface_on_proxy_withouth_target_and_mixin_should_forward_to_null_target()
{
var interceptor = new WithCallbackInterceptor(i =>
{
Assert.IsNull(i.InvocationTarget);
i.ReturnValue = 0;
});
var mixin = new AlwaysThrowsServiceImpl();
var proxy = generator.CreateInterfaceProxyWithoutTarget(typeof (IService), Type.EmptyTypes, MixIn(mixin), interceptor);
Assert.DoesNotThrow(() => (proxy as IService).Sum(2, 2));
}
public void Same_Interface_on_target_of_proxy_with_target_interface_and_mixin_should_forward_to_target()
{
var target = new ServiceImpl();
var mixin = new ServiceImpl();
IInterceptor interceptor = new WithCallbackInterceptor(i=>
{
Assert.AreSame(target,i.InvocationTarget);
i.ReturnValue = 0;
});
var proxy = generator.CreateInterfaceProxyWithTargetInterface(typeof(IService), target, MixIn(mixin),interceptor);
Assert.DoesNotThrow(() => (proxy as IService).Sum(2, 2));
}
public void Same_Interface_on_proxy_withouth_target_and_mixin_should_forward_to_null_target()
{
var interceptor = new WithCallbackInterceptor(i =>
{
Assert.IsNull(i.InvocationTarget);
i.ReturnValue = 0;
});
var mixin = new AlwaysThrowsServiceImpl();
var proxy = generator.CreateInterfaceProxyWithoutTarget(typeof(IService), Type.EmptyTypes, MixIn(mixin), interceptor);
Assert.DoesNotThrow(() => (proxy as IService).Sum(2, 2));
}
public void Proxy_without_target_and_last_interceptor_ProceedInfo_succeeds()
{
var interceptor = new WithCallbackInterceptor(invocation =>
{
invocation.ReturnValue = 0; // not relevant to this test, but prevents DP
// from complaining about missing return value.
var proceed = invocation.CaptureProceedInfo();
});
var proxy = generator.CreateInterfaceProxyWithoutTarget <IOne>(interceptor);
proxy.OneMethod();
}
public void Test_CreateClassProxy()
{
var interceptor = new WithCallbackInterceptor(delegate(IInvocation invocation)
{
invocation.Arguments[0] = 5;
invocation.Arguments[1] = "aaa";
invocation.Arguments[3] = "bbb";
});
var generator = new ProxyGenerator(new PersistentProxyBuilder());
var proxy = (MyClass)generator.CreateClassProxy(typeof(MyClass), interceptor);
Assert.IsNotNull(proxy);
}
public void Test_Delegate_SimpleInvocationConstructor()
{
var delegateInvocation = new SimpleInvocation(null, null, null);
var interceptor = new WithCallbackInterceptor(delegate(IInvocation invocation)
{
invocation.Arguments[0] = 5;
invocation.Arguments[1] = "aaa";
invocation.Arguments[3] = "bbb";
});
interceptor.Intercept(delegateInvocation);
Assert.AreEqual(delegateInvocation.Arguments[0], 5);
}
public void Same_Interface_on_target_of_proxy_with_target_interface_and_mixin_should_forward_to_target()
{
var target = new ServiceImpl();
var mixin = new ServiceImpl();
IInterceptor interceptor = new WithCallbackInterceptor(i =>
{
Assert.AreSame(target, i.InvocationTarget);
i.ReturnValue = 0;
});
var proxy = generator.CreateInterfaceProxyWithTargetInterface(typeof(IService), target, MixIn(mixin), interceptor);
Assert.DoesNotThrow(() => (proxy as IService).Sum(2, 2));
}
public void Proxy_without_target_and_last_interceptor_ProceedInfo_Invoke_throws_NotImplementedException()
{
var interceptor = new WithCallbackInterceptor(invocation =>
{
invocation.ReturnValue = 0; // not relevant for this test, but prevents DP
// from complaining about missing return value.
var proceed = invocation.CaptureProceedInfo();
Assert.Throws <NotImplementedException>(() => proceed.Invoke());
});
var proxy = generator.CreateInterfaceProxyWithoutTarget <IOne>(interceptor);
proxy.OneMethod();
}
public void CaptureProceedInfo_returns_a_new_object_every_time()
{
var interceptor = new WithCallbackInterceptor(invocation =>
{
invocation.ReturnValue = 0; // not relevant to this test, but prevents DP
// from complaining about missing return value.
var proceed1 = invocation.CaptureProceedInfo();
var proceed2 = invocation.CaptureProceedInfo();
Assert.AreNotSame(proceed2, proceed1);
});
var proxy = generator.CreateInterfaceProxyWithoutTarget <IOne>(interceptor);
_ = proxy.OneMethod();
}
public void Proxy_with_target_and_last_interceptor_ProceedInfo_Invoke_proceeds_to_target()
{
var target = new One();
var interceptor = new WithCallbackInterceptor(invocation =>
{
var proceed = invocation.CaptureProceedInfo();
proceed.Invoke();
});
var proxy = generator.CreateInterfaceProxyWithTarget <IOne>(new One(), interceptor);
var returnValue = proxy.OneMethod();
Assert.AreEqual(1, returnValue);
}
public void CanCreateComplexOutRefProxyOnClass()
{
var i = 3;
var s1 = "2";
string s2;
var interceptor = new WithCallbackInterceptor(delegate(IInvocation invocation)
{
invocation.Arguments[0] = 5;
invocation.Arguments[1] = "aaa";
invocation.Arguments[3] = "bbb";
});
var proxy = (MyClass)generator.CreateClassProxy(typeof(MyClass), interceptor);
proxy.MyMethod(out i, ref s1, 1, out s2);
Assert.AreEqual(5, i);
Assert.AreEqual(s1, "aaa");
Assert.AreEqual(s2, "bbb");
}
