private static MethodInfo?GetMethodOnInterfaceTypeImplementedByMethod(Type type, FakeItEasy.Compatibility.MethodInfoWrapper methodWrapper)
{
var reflectedType = methodWrapper.ReflectedType;
if (reflectedType.GetTypeInfo().IsInterface)
{
return(null);
}
var allInterfaces =
from i in type.GetInterfaces()
where TypeImplementsInterface(reflectedType, i)
select i;
foreach (var interfaceType in allInterfaces)
{
var interfaceMap = reflectedType.GetTypeInfo().GetRuntimeInterfaceMap(interfaceType);
var foundMethod =
(from methodTargetPair in interfaceMap.InterfaceMethods
.Zip(interfaceMap.TargetMethods, (interfaceMethod, targetMethod) => new { InterfaceMethod = interfaceMethod, TargetMethod = targetMethod })
where methodWrapper.Method.HasSameBaseMethodAs(methodTargetPair.TargetMethod)
select MakeGeneric(methodTargetPair.InterfaceMethod, methodWrapper.Method)).FirstOrDefault();
if (foundMethod is object)
{
return(GetMethodOnTypeThatImplementsInterfaceMethod(type, foundMethod));
}
}
return(null);
}
private static MethodInfo?FindMethodOnTypeThatWillBeInvokedByMethodInfo(Type type, FakeItEasy.Compatibility.MethodInfoWrapper methodWrapper)
{
return
((from typeMethod in type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
where typeMethod.HasSameBaseMethodAs(methodWrapper.Method)
select MakeGeneric(typeMethod, methodWrapper.Method)).FirstOrDefault()
?? GetMethodOnTypeThatImplementsInterfaceMethod(type, methodWrapper.Method)
?? GetMethodOnInterfaceTypeImplementedByMethod(type, methodWrapper));
}
