def test_tanh_string(self):
"""test case for tanh(-55.7)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh("sss"), "value error(enter a number)")
def test_tanh_integer(self):
"""test case for tanh(4)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh(4), 0.9993292997390669)
def test_tanh_fnegative(self):
"""test case for tanh(-55.7)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh(-55.7), -1.0)
def test_tanh_float(self):
"""test case for tanh(8.9)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh(8.1), 0.9999998157280002)
def test_tanh_negative(self):
"""test case for tanh(-14)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh(-14), -0.9999999999986172)
def test_tanh_integer500(self):
"""test case for tanh(500)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh(500), 1.0)
def test_tanh_zero(self):
"""test case for tanh(0)"""
calc = ScientificCalc()
self.assertEqual(calc.calculate_tanh(0), 0.0)