def test_bad_input(self):
self.assertEqual(cube_volume.volume(-1, 2, 3),
"At least one of your inputs was invalid.")
self.assertEqual(cube_volume.volume(2, -1, 3),
"At least one of your inputs was invalid.")
self.assertEqual(cube_volume.volume(3, 2, -1),
"At least one of your inputs was invalid.")
self.assertEqual(cube_volume.volume(3, -2, "1c"),
"At least one of your inputs was invalid.")
self.assertEqual(cube_volume.volume("3a", "2b", -1),
"At least one of your inputs was invalid.")
self.assertEqual(cube_volume.volume("Bad input", -2, -1),
"At least one of your inputs was invalid.")
self.assertEqual(cube_volume.volume(3, 2, "Bad input"),
"At least one of your inputs was invalid.")
def test_integer_volume(self):
self.assertEqual(cube_volume.volume(2, 3, 4), 24)
self.assertEqual(cube_volume.volume(1, 1, 1), 1)
self.assertEqual(cube_volume.volume(1, 1, 0), 0)
self.assertEqual(cube_volume.volume(1, 3, 1), 3)
def test_decimal_inputs(self):
self.assertEqual(cube_volume.volume(1.0, 1.0, 1.0), 1)
self.assertEqual(cube_volume.volume(1.2, 1.3, 1.4), 2.184)
self.assertEqual(cube_volume.volume(0.5, 0.6, 0.7), 0.21)
self.assertEqual(cube_volume.volume(.5, .6, .7), .21)
def test_float(self):
result = cube_volume.volume(5.5)
self.assertEqual(result, 166.375)
def test_type_error(self):
with self.assertRaises(TypeError):
cube_volume.volume("hello")
def test_complex(self):
result = cube_volume.volume(1j)
# j * j = -1
# -1 * j = -j
self.assertEqual(result, -1j)