def test_sin_cos_tan_known_Values(self):
#__sin__ should give known result with known input
x = PhysicalQuantity('0 rad')
x.sin()
self.assertEqual(x.sin(), math.sin(x.value))
self.assertEqual(x.cos(), math.cos(x.value))
self.assertEqual(x.tan(), math.tan(x.value))
x = PhysicalQuantity('1m')
try:
x.sin()
except TypeError as err:
self.assertEqual(str(err),"Argument of sin must be an angle")
else:
self.fail("TypeError expected")
try:
x.cos()
except TypeError as err:
self.assertEqual(str(err),"Argument of cos must be an angle")
else:
self.fail("TypeError expected")
try:
x.tan()
except TypeError as err:
self.assertEqual(str(err),"Argument of tan must be an angle")
else:
self.fail("TypeError expected")
def test_sin_cos_tan_known_Values(self):
#__sin__ should give known result with known input
x = PhysicalQuantity('0 rad')
x.sin()
self.assertEqual(x.sin(), math.sin(x.value))
self.assertEqual(x.cos(), math.cos(x.value))
self.assertEqual(x.tan(), math.tan(x.value))
x = PhysicalQuantity('1m')
try:
x.sin()
except TypeError as err:
self.assertEqual(str(err), "Argument of sin must be an angle")
else:
self.fail("TypeError expected")
try:
x.cos()
except TypeError as err:
self.assertEqual(str(err), "Argument of cos must be an angle")
else:
self.fail("TypeError expected")
try:
x.tan()
except TypeError as err:
self.assertEqual(str(err), "Argument of tan must be an angle")
else:
self.fail("TypeError expected")
