gistfile1.cs

public static void ShouldBeStructurallyEqualTo<T, U>(this IEnumerable<T> actual, IEnumerable<U> expected)
{
	var actualList = actual.ToList();
	var expectedList = expected.ToList();

	actualList.Should().HaveCount(expectedList.Count());
	bool isArrayOfValueType = typeof (T).IsArray && typeof (T).GetElementType().IsValueType;
	foreach (var pair in actualList.Zip(expectedList, Tuple.Create))
	{
		if (isArrayOfValueType)
			(pair.Item1 as IEnumerable).Should().BeEquivalentTo(pair.Item2 as IEnumerable);
		else
			pair.Item1.ShouldHave().AllProperties().IncludingNestedObjects().EqualTo(pair.Item2);
	}
}