public void Intersect_returns_intersection_using_provided_equality_function()
{
var setA = new[] { "a", "b" };
var setB = new[] { "A", "C" };
Assert.True(
new[] { "a" }.SequenceEqual(
setA.Intersect(setB, (a, b) => a.Equals(b, StringComparison.OrdinalIgnoreCase))));
}
public void IntersectTest()
{
// ARRANGE
var list1 = new[] { "a", "aa", "aaa", "aaaa" };
var list2 = new[] { "dd", "eeee" };
// ACT
var intersect = list1.Intersect(list2, x => x.Length).ToList();
// ASSERT
CollectionAssert.AreEqual(new[] { "aa", "aaaa" }, intersect);
}