def test_sides_may_be_floats(self): self.assertIs(is_scalene([0.5, 0.4, 0.6]), True)
def test_false_if_two_sides_are_equal(self): self.assertIs(is_scalene([4, 4, 3]), False)
def test_violation_of_triangle_inequality_not_is_scalene(self): self.assertIs(is_scalene([7, 3, 2]), False)
def test_may_not_violate_triangle_inequality(self): self.assertIs(is_scalene([7, 3, 2]), False)
def test_true_if_no_sides_are_equal(self): self.assertIs(is_scalene([5, 4, 6]), True)
def test_all_sides_are_equal(self): self.assertIs(is_scalene([4, 4, 4]), False)