def test_poly_five(self):
"""Test the construction of a fifth order polynomial."""
p_five = func.Polynomial([(0, 1), (1, 1), (2, 1), (3, 1), (4, 1),
(5, 1)])
self.assertEqual(p_five(0), 1)
self.assertEqual(p_five(1), 6)
self.assertEqual(p_five(-1), 0)
def test_poly_properform(self):
"""Test that the polynomial class will combine like terms."""
f_x = func.Polynomial([(7, 3.5), (7, 6.5)])
g_x = func.Polynomial([(7, 10)])
self.assertEqual(f_x, g_x)
def test_poly_equalitytrue(self):
"""Test that equal polynomials evaluate to equal."""
f_x = func.Polynomial([(0, 1), (3, 5)])
g_x = func.Polynomial([(3, 5), (0, 1)])
self.assertEqual(f_x, g_x)
def test_poly_one(self):
"""Test the construction of a first order polynomial."""
p_one = func.Polynomial([(0, 0), (1, 5)])
self.assertEqual(p_one(0), 0)
self.assertEqual(p_one(1), 5)
self.assertEqual(p_one(-1), -5)
def test_poly_zero(self):
"""Test the construction of a zero-th order polynomial."""
p_zero = func.Polynomial([(0, 3)])
self.assertEqual(p_zero(0), 3)
self.assertEqual(p_zero(1), 3)
self.assertEqual(p_zero(-1), 3)