def testNegativeDenominator(self):
fraction1 = Rational(-6, 1)
fraction2 = Rational(1, 1)
product = fraction1.__mul__(fraction2)
#Makes sure that the negative is in the numerator, as agreed upon on Feb. 17th, 2019, at 6:30pm
self.assertNotEqual(6, product.n)
self.assertNotEqual(-1, product.d)
self.assertEqual(-6, product.n)
self.assertEqual(1, product.d)
def testFractionNegative(self):
fraction1 = Rational(-6, 6)
fraction2 = Rational(9, 12)
product = fraction1.__mul__(fraction2)
#I am not sure if product.n or product.d holds the negative value of the resulting fraction
#to combat this, I check if the resulting fraction is negative, then check the absolute value of the numbers
realProduct = product.n / product.d
self.assertEqual(realProduct < 0, true)
self.assertEqual(abs(3), product.n)
self.assertEqual(abs(4), product.d)
def testRandom(self):
#Might cause problems if you don't know what the random numbers are...
for x in range(0, 20):
top1 = random.randint(-1000000, 1000000)
bot1 = random.randint(1, 1000000)
top2 = random.randint(-1000000, 1000000)
bot2 = random.randint(1, 1000000)
fraction1 = Rational(top1, bot1)
fraction2 = Rational(top2, bot2)
product = fraction1.__mul__(fraction2)
self.assertEqual(top1 * top2, product.n)
self.assertEqual(bot1 * bot2, product.d)
def testSame(self):
fraction1 = Rational(9, 9)
fraction2 = Rational(9, 9)
product = fraction1.__mul__(fraction2)
self.assertEqual(1, product.n)
self.assertEqual(1, product.d)
def testFractionWithTwoNegatives(self):
fraction1 = Rational(-6, -6)
fraction2 = Rational(9, 12)
product = fraction1.__mul__(fraction2)
self.assertEqual(9, product.n)
self.assertEqual(12, product.d)
def testWholeNumberOne(self):
fraction1 = Rational(6, 6)
fraction2 = Rational(9, 9)
product = fraction1.__mul__(fraction2)
self.assertEqual(1, product.n)
self.assertEqual(1, product.d)
def testZeroFormer(self):
fraction1 = Rational(0, 1)
fraction2 = Rational(1, 1)
product = fraction1.__mul__(fraction2)
self.assertEqual(0, product.n)
self.assertEqual(1, product.d)
