public EquivalencyResult Handle(Comparands comparands, IEquivalencyValidationContext context, IEquivalencyValidator nestedValidator)
{
if (!IsCollection(comparands.GetExpectedType(context.Options)))
{
return(EquivalencyResult.ContinueWithNext);
}
if (AssertSubjectIsCollection(comparands.Subject))
{
var validator = new EnumerableEquivalencyValidator(nestedValidator, context)
{
Recursive = context.CurrentNode.IsRoot || context.Options.IsRecursive,
OrderingRules = context.Options.OrderingRules
};
validator.Execute(ToArray(comparands.Subject), ToArray(comparands.Expectation));
}
return(EquivalencyResult.AssertionCompleted);
}
#pragma warning restore SA1110
public EquivalencyResult Handle(Comparands comparands, IEquivalencyValidationContext context, IEquivalencyValidator nestedValidator)
{
Type expectedType = comparands.GetExpectedType(context.Options);
if (comparands.Expectation is null || !IsGenericCollection(expectedType))
{
return(EquivalencyResult.ContinueWithNext);
}
Type[] interfaceTypes = GetIEnumerableInterfaces(expectedType);
AssertionScope.Current
.ForCondition(interfaceTypes.Length == 1)
.FailWith(() => new FailReason("{context:Expectation} implements {0}, so cannot determine which one " +
"to use for asserting the equivalency of the collection. ",
interfaceTypes.Select(type => "IEnumerable<" + type.GetGenericArguments().Single() + ">")));
if (AssertSubjectIsCollection(comparands.Subject))
{
var validator = new EnumerableEquivalencyValidator(nestedValidator, context)
{
Recursive = context.CurrentNode.IsRoot || context.Options.IsRecursive,
OrderingRules = context.Options.OrderingRules
};
Type typeOfEnumeration = GetTypeOfEnumeration(expectedType);
var subjectAsArray = EnumerableEquivalencyStep.ToArray(comparands.Subject);
try
{
HandleMethod.MakeGenericMethod(typeOfEnumeration).Invoke(null, new[] { validator, subjectAsArray, comparands.Expectation });
}
catch (TargetInvocationException e)
{
e.Unwrap().Throw();
}
}
return(EquivalencyResult.AssertionCompleted);
}
private static void HandleImpl <T>(EnumerableEquivalencyValidator validator, object[] subject, IEnumerable <T> expectation) => validator.Execute(subject, expectation?.ToArray());