def test_errors(self): def fake(x): raise Exception self.assertRaises(Exception,ex11.sum_functions(fake,abs),5) self.assertRaises(Exception,ex11.sub_functions(fake,abs),5) self.assertRaises(Exception,ex11.mul_functions(fake,abs),5) self.assertRaises(Exception,ex11.div_functions(fake,abs),5) self.assertRaises(Exception,ex11.compose(fake,abs),5) self.assertRaises(Exception,ex11.compose(abs,fake),5) self.assertRaises(Exception,ex11.inverse(fake),5) self.assertRaises(Exception,ex11.derivative(fake),5) self.assertRaises(Exception,ex11.integral_function(fake),5)
def test_derivative2(self): f = ex11.derivative(lambda x: x * x, 1) self.assertAlmostEqual(f(0), 1) self.assertAlmostEqual(f(9), 19)
def test_derivative1(self): f = ex11.derivative(lambda x: x * x) self.assertAlmostEqual(f(0), 1e-3) self.assertAlmostEqual(f(9), 18.001)
def test_derivative2(self): f = ex11.derivative(lambda x:x*x,1) self.assertAlmostEqual(f(0),1) self.assertAlmostEqual(f(9),19)
def test_derivative1(self): f = ex11.derivative(lambda x:x*x) self.assertAlmostEqual(f(0),1e-3) self.assertAlmostEqual(f(9),18.001)