def test_comparing_derived_with_derived_acceleration_less(self):
a1 = quantity.Acceleration(1, "m s-2")
a2 = quantity.Acceleration(2, "m s-2")
self.assertFalse(a1 == a2)
self.assertTrue(a1 <= a2)
self.assertFalse(a1 >= a2)
self.assertFalse(a1 > a2)
self.assertTrue(a1 < a2)
self.assertTrue(a1 != a2)
def test_acceleration_name_m_s2(self):
a = quantity.Acceleration(2, "m s2")
self.assertEquals(str(a), "2.0 m s\u207B\u00B2")
def test_force_from_m_a_233(self):
m = quantity.Mass(2.33, "kg")
a = quantity.Acceleration(1, 'm s-2')
f1 = m * a
self.assertEqual(f1('kg m s-2'), float('2.33'))
def test_force_from_m_a_zero(self):
m = quantity.Mass(0, "g")
a = quantity.Acceleration(0, 'm s-2')
f1 = m * a
self.assertIsInstance(f1, quantity.Force)
self.assertEqual(f1('kg m s-2'), float('0.'))
def test_converting_acceleration(self):
a = quantity.Acceleration(1.0, 'm s-2')
self.assertEqual(a('in s-2'), float('39.37007874015748031496062992'))
self.assertEqual(a('in ms-2'),
float('0.00003937007874015748031496062992'))
