public override InterceptionAction Handle(Invocation invocation, Mock mock)
{
Debug.Assert(invocation.Method != null);
Debug.Assert(invocation.Method.ReturnType != null);
var method = invocation.Method;
if (mock.CallBase)
{
var declaringType = method.DeclaringType;
if (declaringType.GetTypeInfo().IsInterface)
{
if (mock.TargetType.GetTypeInfo().IsInterface)
{
// Case 1: Interface method of an interface proxy.
// There is no base method to call, so fall through.
}
else
{
Debug.Assert(mock.TargetType.GetTypeInfo().IsClass);
Debug.Assert(mock.ImplementsInterface(declaringType));
// Case 2: Explicitly implemented interface method of a class proxy.
// Only call base method if it isn't an event accessor.
if (!method.LooksLikeEventAttach() && !method.LooksLikeEventDetach())
{
invocation.ReturnBase();
return(InterceptionAction.Stop);
}
}
}
else
{
Debug.Assert(declaringType.GetTypeInfo().IsClass);
// Case 3: Non-interface method of a class proxy.
// Only call base method if it isn't abstract.
if (!method.IsAbstract)
{
invocation.ReturnBase();
return(InterceptionAction.Stop);
}
}
}
if (method.ReturnType == typeof(void))
{
invocation.Return();
}
else if (mock.InnerMocks.TryGetValue(method, out var inner))
{
invocation.Return(inner.WrappedMockObject);
}
else
{
invocation.Return(mock.GetDefaultValue(method));
}
return(InterceptionAction.Stop);
}
public override InterceptionAction Handle(Invocation invocation, Mock mock)
{
var methodName = invocation.Method.Name;
// Special case for event accessors. The following, seemingly random character checks are guards against
// more expensive checks (for the common case where the invoked method is *not* an event accessor).
if (methodName.Length > 4)
{
if (methodName[0] == 'a' && methodName[3] == '_' && invocation.Method.LooksLikeEventAttach())
{
var eventInfo = GetEventFromName(invocation.Method.Name.Substring("add_".Length), mock);
if (eventInfo != null)
{
// TODO: We could compare `invocation.Method` and `eventInfo.GetAddMethod()` here.
// If they are equal, then `invocation.Method` is definitely an event `add` accessor.
// Not sure whether this would work with F# and COM; see commit 44070a9.
if (mock.CallBase && !invocation.Method.IsAbstract)
{
invocation.ReturnBase();
return(InterceptionAction.Stop);
}
else if (invocation.Arguments.Length > 0 && invocation.Arguments[0] is Delegate delegateInstance)
{
mock.EventHandlers.Add(eventInfo.Name, delegateInstance);
invocation.Return();
return(InterceptionAction.Stop);
}
}
}
else if (methodName[0] == 'r' && methodName.Length > 7 && methodName[6] == '_' && invocation.Method.LooksLikeEventDetach())
{
var eventInfo = GetEventFromName(invocation.Method.Name.Substring("remove_".Length), mock);
if (eventInfo != null)
{
// TODO: We could compare `invocation.Method` and `eventInfo.GetRemoveMethod()` here.
// If they are equal, then `invocation.Method` is definitely an event `remove` accessor.
// Not sure whether this would work with F# and COM; see commit 44070a9.
if (mock.CallBase && !invocation.Method.IsAbstract)
{
invocation.ReturnBase();
return(InterceptionAction.Stop);
}
else if (invocation.Arguments.Length > 0 && invocation.Arguments[0] is Delegate delegateInstance)
{
mock.EventHandlers.Remove(eventInfo.Name, delegateInstance);
invocation.Return();
return(InterceptionAction.Stop);
}
}
}
}
// Save to support Verify[expression] pattern.
mock.MutableInvocations.Add(invocation);
return(InterceptionAction.Continue);
}
public override void Execute(Invocation invocation)
{
base.Execute(invocation);
if (this.returnValueKind == ReturnValueKind.CallBase)
{
invocation.ReturnBase();
}
else if (this.valueDel != null)
{
invocation.Return(this.valueDel.HasCompatibleParameterList(new ParameterInfo[0])
? valueDel.InvokePreserveStack() //we need this, for the user to be able to use parameterless methods
: valueDel.InvokePreserveStack(invocation.Arguments)); //will throw if parameters mismatch
}
else if (this.Mock.Behavior == MockBehavior.Strict)
{
throw MockException.ReturnValueRequired(invocation);
}
else
{
invocation.Return(this.ReturnType.GetDefaultValue());
}
this.afterReturnCallback?.Invoke(invocation.Arguments);
}
public override InterceptionAction Handle(Invocation invocation, Mock mock)
{
Debug.Assert(invocation.Method != null);
Debug.Assert(invocation.Method.ReturnType != null);
var method = invocation.Method;
if (mock.CallBase && !method.IsAbstract)
{
invocation.ReturnBase();
}
else if (method.ReturnType == typeof(void))
{
invocation.Return();
}
else if (mock.InnerMocks.TryGetValue(method, out var inner))
{
invocation.Return(inner.WrappedMockObject);
}
else
{
invocation.Return(mock.GetDefaultValue(method));
}
return(InterceptionAction.Stop);
}
public override void Execute(Invocation invocation)
{
this.invoked = true;
if (this.responses.TryDequeue(out var response))
{
var(kind, arg) = response;
switch (kind)
{
case ResponseKind.Pass:
invocation.Return();
break;
case ResponseKind.CallBase:
invocation.ReturnBase();
break;
case ResponseKind.Returns:
invocation.Return(arg);
break;
case ResponseKind.Throws:
throw (Exception)arg;
case ResponseKind.InvokeFunc:
invocation.Return(((Func <object>)arg)());
break;
}
}
else
{
// we get here if there are more invocations than configured responses.
// if the setup method does not have a return value, we don't need to do anything;
// if it does have a return value, we produce the default value.
var returnType = invocation.Method.ReturnType;
if (returnType == typeof(void))
{
}
else
{
invocation.Return(returnType.GetDefaultValue());
}
}
}
public override void Execute(Invocation invocation)
{
base.Execute(invocation);
if (this.responses.TryDequeue(out Tuple <ResponseKind, object> response))
{
switch (response.Item1)
{
case ResponseKind.Pass:
invocation.Return();
break;
case ResponseKind.CallBase:
invocation.ReturnBase();
break;
case ResponseKind.Returns:
invocation.Return(response.Item2);
break;
case ResponseKind.Throws:
throw (Exception)response.Item2;
}
}
else
{
// we get here if there are more invocations than configured responses.
// if the setup method does not have a return value, we don't need to do anything;
// if it does have a return value, we produce the default value.
var returnType = invocation.Method.ReturnType;
if (returnType == typeof(void))
{
}
else
{
invocation.Return(returnType.GetTypeInfo().IsValueType ? Activator.CreateInstance(returnType)
: null);
}
}
}
public override InterceptionAction Handle(Invocation invocation, Mock mock)
{
Debug.Assert(invocation.Method != null);
Debug.Assert(invocation.Method.ReturnType != null);
var method = invocation.Method;
if (mock.CallBase)
{
var declaringType = method.DeclaringType;
if (declaringType.IsInterface)
{
if (mock.TargetType.IsInterface)
{
// Case 1: Interface method of an interface proxy.
// There is no base method to call, so fall through.
}
else
{
Debug.Assert(mock.TargetType.IsClass);
Debug.Assert(mock.ImplementsInterface(declaringType));
// Case 2: Explicitly implemented interface method of a class proxy.
if (mock.InheritedInterfaces.Contains(declaringType))
{
// Case 2a: Re-implemented interface.
// The base class has its own implementation. Only call base method if it isn't an event accessor.
if (!method.LooksLikeEventAttach() && !method.LooksLikeEventDetach())
{
invocation.ReturnBase();
return(InterceptionAction.Stop);
}
}
else
{
Debug.Assert(mock.AdditionalInterfaces.Contains(declaringType));
// Case 2b: Additional interface.
// There is no base method to call, so fall through.
}
}
}
else
{
Debug.Assert(declaringType.IsClass);
// Case 3: Non-interface method of a class proxy.
// Only call base method if it isn't abstract.
if (!method.IsAbstract)
{
invocation.ReturnBase();
return(InterceptionAction.Stop);
}
}
}
if (method.ReturnType == typeof(void))
{
invocation.Return();
}
else
{
var returnValue = mock.GetDefaultValue(method, out var innerMock);
if (innerMock != null)
{
mock.AddInnerMockSetup(invocation, returnValue);
}
invocation.Return(returnValue);
}
return(InterceptionAction.Stop);
}
public static bool Handle(Invocation invocation, Mock mock)
{
const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly;
var methodName = invocation.Method.Name;
// Special case for event accessors. The following, seemingly random character checks are guards against
// more expensive checks (for the common case where the invoked method is *not* an event accessor).
if (methodName.Length > 4)
{
if (methodName[0] == 'a' && methodName[3] == '_' && invocation.Method.IsEventAddAccessor())
{
var implementingMethod = invocation.Method.GetImplementingMethod(invocation.ProxyType);
var @event = implementingMethod.DeclaringType.GetEvents(bindingFlags).SingleOrDefault(e => e.GetAddMethod(true) == implementingMethod);
if (@event != null)
{
bool doesntHaveEventSetup = !mock.MutableSetups.HasEventSetup;
if (mock.CallBase && !invocation.Method.IsAbstract)
{
if (doesntHaveEventSetup)
{
invocation.ReturnBase();
}
}
else if (invocation.Arguments.Length > 0 && invocation.Arguments[0] is Delegate delegateInstance)
{
mock.EventHandlers.Add(@event, delegateInstance);
if (doesntHaveEventSetup)
{
invocation.Return();
}
}
return(doesntHaveEventSetup);
}
}
else if (methodName[0] == 'r' && methodName.Length > 7 && methodName[6] == '_' && invocation.Method.IsEventRemoveAccessor())
{
var implementingMethod = invocation.Method.GetImplementingMethod(invocation.ProxyType);
var @event = implementingMethod.DeclaringType.GetEvents(bindingFlags).SingleOrDefault(e => e.GetRemoveMethod(true) == implementingMethod);
if (@event != null)
{
bool doesntHaveEventSetup = !mock.MutableSetups.HasEventSetup;
if (mock.CallBase && !invocation.Method.IsAbstract)
{
if (doesntHaveEventSetup)
{
invocation.ReturnBase();
}
}
else if (invocation.Arguments.Length > 0 && invocation.Arguments[0] is Delegate delegateInstance)
{
mock.EventHandlers.Remove(@event, delegateInstance);
if (doesntHaveEventSetup)
{
invocation.Return();
}
}
return(doesntHaveEventSetup);
}
}
}
return(false);
}
public static bool Handle(Invocation invocation, Mock mock)
{
var methodName = invocation.Method.Name;
// Special case for event accessors. The following, seemingly random character checks are guards against
// more expensive checks (for the common case where the invoked method is *not* an event accessor).
if (methodName.Length > 4)
{
if (methodName[0] == 'a' && methodName[3] == '_' && invocation.Method.IsEventAddAccessor())
{
var eventInfo = GetEventFromName(invocation.Method.Name.Substring("add_".Length), mock);
if (eventInfo != null)
{
// TODO: We could compare `invocation.Method` and `eventInfo.GetAddMethod()` here.
// If they are equal, then `invocation.Method` is definitely an event `add` accessor.
// Not sure whether this would work with F# and COM; see commit 44070a9.
bool doesntHaveEventSetup = !mock.Setups.HasEventSetup;
if (mock.CallBase && !invocation.Method.IsAbstract)
{
if (doesntHaveEventSetup)
{
invocation.ReturnBase();
}
}
else if (invocation.Arguments.Length > 0 && invocation.Arguments[0] is Delegate delegateInstance)
{
mock.EventHandlers.Add(eventInfo.Name, delegateInstance);
if (doesntHaveEventSetup)
{
invocation.Return();
}
}
return(doesntHaveEventSetup);
}
}
else if (methodName[0] == 'r' && methodName.Length > 7 && methodName[6] == '_' && invocation.Method.IsEventRemoveAccessor())
{
var eventInfo = GetEventFromName(invocation.Method.Name.Substring("remove_".Length), mock);
if (eventInfo != null)
{
// TODO: We could compare `invocation.Method` and `eventInfo.GetRemoveMethod()` here.
// If they are equal, then `invocation.Method` is definitely an event `remove` accessor.
// Not sure whether this would work with F# and COM; see commit 44070a9.
bool doesntHaveEventSetup = !mock.Setups.HasEventSetup;
if (mock.CallBase && !invocation.Method.IsAbstract)
{
if (doesntHaveEventSetup)
{
invocation.ReturnBase();
}
}
else if (invocation.Arguments.Length > 0 && invocation.Arguments[0] is Delegate delegateInstance)
{
mock.EventHandlers.Remove(eventInfo.Name, delegateInstance);
if (doesntHaveEventSetup)
{
invocation.Return();
}
}
return(doesntHaveEventSetup);
}
}
}
return(false);
}
