def equaldivision(self):
frac1 = Rational(5, 5)
frac2 = Rational(6, 6)
quotient = frac1.__sub__(frac2)
self.assertEqual(0, quotient.n)
self.assertEqual(1, quotient.d)
def testsubtractingnegative(self):
frac1 = Rational(2, 5)
frac2 = Rational(-6, 10)
quotient = frac1.__sub__(frac2)
self.assertEqual(0, quotient.n)
self.assertEqual(1, quotient.d)
def subtractingfrombigvalues(self):
frac1 = Rational(100000000, 1)
frac2 = Rational(1, 1)
quotient = frac1.__sub__(frac2)
self.assertEqual(99999999, quotient.n)
self.assertEqual(1, quotient.d)
def subtractingbigvalues(self):
frac1 = Rational(5, 2)
frac2 = Rational(10000000, 2)
quotient = frac1.__sub__(frac2)
self.assertEqual(-9999995, quotient.n)
self.assertEqual(2, quotient.d)
def subtractingzerovalue(self):
frac1 = Rational(5, 2)
frac2 = Rational(0, 100)
quotient = frac1.__sub__(frac2)
self.assertEqual(5, quotient.n)
self.assertEqual(2, quotient.d)
def bottomnumberchangeonly(self):
frac1 = Rational(1, 10)
frac2 = Rational(1, 5)
quotient = frac2.__sub__(frac1)
self.assertEqual(1, quotient.n)
self.assertEqual(10, quotient.d)
def testtopnumberchangeonly(self):
frac1 = Rational(3, 5)
frac2 = Rational(2, 5)
quotient = frac1.__sub__(frac2)
self.assertEqual(0, quotient.n)
self.assertEqual(1, quotient.d)