def testGreaterDividend(self):
frac1 = Rational(4, 5)
frac2 = Rational(1, 6)
quotient = frac1.__div__(frac2)
self.assertEqual(24, quotient.n)
self.assertEqual(5, quotient.d)
def testSmallOverBig(self):
frac1 = Rational(3, 4)
frac2 = Rational(6234, 4345)
quotient = frac1.__div__(frac2)
self.assertEqual(4345, quotient.n)
self.assertEqual(8312, quotient.d)
def testWholeNumberDivisor(self):
frac1 = Rational(3, 4)
frac2 = Rational(6, 6)
quotient = frac1.__div__(frac2)
self.assertEqual(3, quotient.n)
self.assertEqual(4, quotient.d)
def testBigOverSmall(self):
frac1 = Rational(6542, 5456)
frac2 = Rational(1, 7)
quotient = frac1.__div__(frac2)
self.assertEqual(22897, quotient.n)
self.assertEqual(2728, quotient.d)
def testWholeNumberBoth(self):
frac1 = Rational(5, 5)
frac2 = Rational(2, 2)
quotient = frac1.__div__(frac2)
self.assertEqual(1, quotient.n)
self.assertEqual(1, quotient.d)
def testWholeNumberDividend(self):
frac1 = Rational(4, 4)
frac2 = Rational(1, 3)
quotient = frac1.__div__(frac2)
self.assertEqual(3, quotient.n)
self.assertEqual(1, quotient.d)
def testZeroDividend(self):
frac1 = Rational(0, 0)
frac2 = Rational(1, 5)
quotient = frac1.__div__(frac2)
self.assertEqual(0, quotient.n)
self.assertEqual(0, quotient.d)
def testEqual(self):
frac1 = Rational(3, 5)
frac2 = Rational(3, 5)
quotient = frac1.__div__(frac2)
self.assertEqual(1, quotient.n)
self.assertEqual(1, quotient.d)
def testGreaterDivisor(self):
frac1 = Rational(2, 5)
frac2 = Rational(6, 7)
quotient = frac1.__div__(frac2)
self.assertEqual(7, quotient.n)
self.assertEqual(15, quotient.d)
def testZeroDivisor(self):
frac1 = Rational(1, 6)
frac2 = Rational(0, 1)
with self.assertRaises(ValueError):
frac1.__div__(frac2)
def testNegatives(self):
frac1 = Rational(-1, 3)
frac2 = Rational(1, -4)
frac3 = Rational(-2, -5)
frac4 = Rational(3, 2)
quotient = frac1.__div__(frac2)
self.assertEqual(4, quotient.n)
self.assertEqual(3, quotient.d)
quotient = frac1.__div__(frac3)
self.assertEqual(-5, quotient.n)
self.assertEqual(6, quotient.d)
quotient = frac2.__div__(frac3)
self.assertEqual(-5, quotient.n)
self.assertEqual(8, quotient.d)
quotient = frac1.__div__(frac4)
self.assertEqual(-2, quotient.n)
self.assertEqual(9, quotient.d)
quotient = frac2.__div__(frac4)
self.assertEqual(-1, quotient.n)
self.assertEqual(6, quotient.d)
quotient = frac3.__div__(frac4)
self.assertEqual(4, quotient.n)
self.assertEqual(15, quotient.d)
# inverse
quotient = frac2.__div__(frac1)
self.assertEqual(3, quotient.n)
self.assertEqual(4, quotient.d)
quotient = frac3.__div__(frac1)
self.assertEqual(-6, quotient.n)
self.assertEqual(5, quotient.d)
quotient = frac3.__div__(frac2)
self.assertEqual(-8, quotient.n)
self.assertEqual(5, quotient.d)
quotient = frac4.__div__(frac1)
self.assertEqual(-9, quotient.n)
self.assertEqual(2, quotient.d)
quotient = frac4.__div__(frac2)
self.assertEqual(-6, quotient.n)
self.assertEqual(1, quotient.d)
quotient = frac4.__div__(frac3)
self.assertEqual(15, quotient.n)
self.assertEqual(4, quotient.d)