[TestMethod] public void DistinctTest()
{
list = SystemEnumerable.Distinct(list).ToList();
Assert.AreEqual(5, list.Count);
Assert.AreEqual(1, list[0]);
Assert.AreEqual(3, list[1]);
Assert.AreEqual(2, list[2]);
Assert.AreEqual(4, list[3]);
Assert.AreEqual(6, list[4]);
}
[TestMethod] public void DistinctWithNullArgumentsTest()
{
Assert.AreEqual(0, SystemEnumerable.Distinct((IEnumerable <int>)null).Count());
}
