def test_comparing_derived_with_derived_force_less(self):
f1 = quantity.Force(1, "kg m s-2")
f2 = quantity.Force(2, "kg m s-2")
self.assertFalse(f1 == f2)
self.assertTrue(f1 <= f2)
self.assertFalse(f1 >= f2)
self.assertFalse(f1 > f2)
self.assertTrue(f1 < f2)
self.assertTrue(f1 != f2)
def test_force_name_kg_m_s2(self):
f = quantity.Force(2, "kg m s-2")
self.assertEquals(str(f), "2.0 kg m s\u207B\u00B2")
def test_convert_force(self):
f = quantity.Force(1.0, 'kg m s-2')
self.assertEqual(f('lb yd s-2'),
float('2.412061728866277343179999663'))