public void AssertThat_IntersectWith_Intersects()
{
for (var i = 0; i < 10; i++)
{
_set.Add(i);
}
_set.IntersectWith(Enumerable.Range(7, 5));
for (var i = 0; i < 6; i++)
{
Assert.IsFalse(_set.Contains(i));
}
for (var i = 7; i < 10; i++)
{
Assert.IsTrue(_set.Contains(i));
}
for (var i = 10; i < 12; i++)
{
Assert.IsFalse(_set.Contains(i));
}
}