def testpositive(self):
w = copy.deepcopy(self.w)
w.positive()
self.assertEqual(w, self.w)
a = copy.deepcopy(self.a)
a.positive()
self.assertEqual(a, vectors.Vector(1, 2, -3))
self.assertEqual(self.a, vectors.Vector(-1, -2, 3))
def setUp(self):
unittest.TestCase.setUp(self)
self.u = vectors.Vector3D(1, 2, 3)
self.v = vectors.Vector3D([4, 5, 6])
self.w = vectors.Vector(1, 0, 0)
self.x = vectors.Vector(1, 0, 0, 0, -5, 6)
self.a = vectors.Vector(-1, -2, 3)
self.b = vectors.Vector(0, 0, -1, -2, 3)
def test__delitem__(self):
del self.u[1]
del self.x[1]
del self.x[1]
self.assertEqual(len(self.u), 2)
self.assertEqual(self.u, vectors.Vector(1, 3))
self.assertEqual(len(self.x), 4)
self.assertEqual(self.x, vectors.Vector(1, 0, -5, 6))
def test__sub__(self):
self.assertEqual(self.v - self.u, vectors.Vector(3, 3, 3))
self.assertEqual(self.v - self.u, self.v + -self.u)
self.assertNotEqual(self.v - self.u, self.u - self.v)
func = lambda a, b: a - b
self.assertRaises(vectors.VectorOperationError, func, self.x, self.u)
def setUp(self):
unittest.TestCase.setUp(self)
self.u = vectors.Vector(1, 2, 3)
self.v = vectors.Vector([4, 5, 6])
self.w = vectors.Vector(1, 0, 0)
self.x = vectors.Vector(1, 0, 0, 0, -5, 6)
self.y = vectors.Vector([1, 2, 3, 4])
self.z = vectors.Vector(8, 9)
self.a = vectors.Vector(-1, -2, 3)
def test__getslice__(self):
self.assertEqual(self.u[1:], vectors.Vector(2, 3))
self.assertEqual(self.v[-2:], vectors.Vector(5, 6))
self.assertEqual(self.y[2:-1], vectors.Vector(3))
self.assertEqual(self.z[:], vectors.Vector(8, 9))
def testcross(self):
self.assertEqual(vectors.cross(self.u, self.v),
vectors.Vector(-3, 6, -3))
self.assertEqual(vectors.cross(self.u, self.u),
vectors.Vector(0, 0, 0))
def testpositive(self):
self.assertEqual(vectors.positive(self.a), vectors.Vector(1, 2, -3))
self.assertEqual(vectors.positive(self.b),
vectors.Vector(0, 0, 1, 2, -3))
self.assertEqual(vectors.positive(self.u), self.u)
def test__mul__(self):
self.assertEqual(2 * self.u, vectors.Vector(2, 4, 6))
self.assertEqual(2 * self.w, vectors.Vector(2, 0, 0))
self.assertEqual(2 * self.u, self.u * 2)
def test__neg__(self):
self.assertEqual(-self.u, vectors.Vector(-1, -2, -3))
self.assertEqual(-self.x, vectors.Vector(-1, 0, 0, 0, 5, -6))
def test__add__(self):
self.assertEqual(self.u + self.w, vectors.Vector(2, 2, 3))
self.assertEqual(self.u + self.v, self.v + self.u)
func = lambda a, b: a + b
self.assertRaises(vectors.VectorOperationError, func, self.x, self.u)