public void Index2LengthTest() { int length = 2; Index2 i1 = new Index2(length, 0); Index2 i2 = new Index2(0, length); Assert.Equals(i1.LengthSquared(), 4.0); Assert.Equals(i2.LengthSquared(), 4.0); Assert.Equals(i1.Length(), 2.0); Assert.Equals(i2.Length(), 2.0); Index2 i3 = new Index2(3, 4); Index2 i4 = new Index2(4, 3); Assert.Equals(i3.LengthSquared(), 25.0); Assert.Equals(i4.LengthSquared(), 25.0); Assert.Equals(i3.Length(), 5.0); Assert.Equals(i4.Length(), 5.0); }