/// <summary>
/// Handle a method call for the underlying mocked object
/// </summary>
/// <param name="invocation"></param>
/// <param name="method"></param>
/// <param name="arguments"></param>
/// <returns></returns>
public object HandleMethodCall(IInvocation invocation, MethodInfo method, object[] arguments)
{
if (arguments == null)
{
arguments = new object[0];
}
if (method.IsSpecialName)
{
var methodName = method.Name;
if (methodName.StartsWith("get_", StringComparison.Ordinal) ||
methodName.StartsWith("set_", StringComparison.Ordinal))
{
if (container.Any(x => x.Type == ExpectationType.Property))
{
return(HandlePropertyCall(invocation, method, arguments));
}
}
if (methodName.StartsWith("add_", StringComparison.Ordinal) ||
methodName.StartsWith("remove_", StringComparison.Ordinal))
{
if (container.Any(x => x.Type == ExpectationType.Event))
{
return(HandleEventCall(invocation, method, arguments));
}
}
}
var actual = new Actuals(method, arguments);
actuals.Add(actual);
var methodCollection = container
.Where(x => x.Type == ExpectationType.Method)
.ToArray();
Expectation expectation = null;
for (int entryIndex = 0; entryIndex < methodCollection.Length; entryIndex++)
{
var entry = methodCollection[entryIndex];
if (!entry.MatchesCall(method, arguments))
{
continue;
}
if (entry.ExpectationSatisfied)
{
continue;
}
expectation = entry;
break;
}
//NOTE: this could be where a "strict" mock call would throw an exception
if (expectation == null)
{
for (int entryIndex = 0; entryIndex < methodCollection.Length; entryIndex++)
{
var entry = methodCollection[entryIndex];
if (!entry.MatchesCall(method, arguments))
{
continue;
}
if (entry.ExpectationSatisfied)
{
entry.AddActualCall(actual);
continue;
}
}
return(HandleUnexpectedMethodCall(invocation, method, arguments));
}
RhinoMocks.Logger.LogExpectedMethodCall(invocation);
expectation.AddActualCall(actual);
if (expectation.HasDelegateToInvoke)
{
var methodParameters = method.GetParameters();
var callback = expectation.DelegateToInvoke;
var callbackParameters = callback.Method.GetParameters();
try
{
if (callbackParameters.Length == 0)
{
var value = callback.DynamicInvoke(new object[0]);
if (callback.Method.ReturnType != (typeof(void)) &&
expectation.DelegateReturnsValue)
{
expectation.SetReturnValue(value);
}
}
else
{
var invokeCallback = true;
var invokeArguments = new object[callbackParameters.Length];
for (int index = 0; index < callbackParameters.Length; index++)
{
var parameter = callbackParameters[index];
var parameterType = parameter.ParameterType;
var argument = methodParameters[index];
var argumentType = argument.ParameterType;
if (!parameterType.IsAssignableFrom(argumentType))
{
invokeCallback = false;
break;
}
}
if (invokeCallback)
{
var value = callback.DynamicInvoke(arguments);
if (callback.Method.ReturnType != (typeof(void)) &&
expectation.DelegateReturnsValue)
{
expectation.SetReturnValue(value);
}
}
}
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
}
if (expectation.ReturnArguments != null && expectation.ReturnArguments.Any())
{
var lenth = expectation.ReturnArguments.Length;
var parameters = method.GetParameters();
for (int index = 0, returnIndex = 0; index < parameters.Length && returnIndex < lenth; index++)
{
var parameter = parameters[index];
if (!parameter.IsOut && !parameter.ParameterType.IsByRef)
{
continue;
}
arguments[index] = expectation.ReturnArguments[returnIndex];
returnIndex++;
}
}
if (expectation.ThrowsException)
{
throw expectation.ExceptionToThrow;
}
if (expectation.ForceProceed)
{
invocation.Proceed();
if (expectation.HasDelegateToIntercept)
{
expectation.DelegateToIntercept(new MethodInvocation(invocation));
}
return(invocation.ReturnValue);
}
invocation.ReturnValue = expectation.ReturnValue;
if (expectation.HasDelegateToIntercept)
{
expectation.DelegateToIntercept(new MethodInvocation(invocation));
}
return(invocation.ReturnValue);
}