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_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_sub(self):
f = ex11.sub_functions(abs, math.sqrt)
self.assertEqual(f(9), 6)
self.assertEqual(f(1 / 4), -1 / 4)
def test_sub(self):
f = ex11.sub_functions(abs,math.sqrt)
self.assertEqual(f(9),6)
self.assertEqual(f(1/4),-1/4)