def test_strx(self):
''' This code tests the scenario when x is a string '''
res = karatsuba_main('abc',128)
self.assertIsNone(res)
def test_posx_oney(self): ''' This code tests the scenario when x is a positive integer and y is 1 ''' res = karatsuba_main(2089,1) self.assertEqual(res,2089)
def test_negx_oney(self): ''' This code tests the scenario when x is a negative integer and y is 1 ''' res = karatsuba_main(-15689,1) self.assertEqual(res,-15689)
def test_neg_neg(self): ''' This code tests the multiplication of two negative numbers ''' res = karatsuba_main(-281,-9067) self.assertEqual(res,2547827)
def test_onex_negy(self): ''' This code tests the scenario when x = 1 and y is a negative integer ''' res = karatsuba_main(1,-1098) self.assertEqual(res,-1098)
def test_odd_digits(self): ''' This code tests the multiplication of two numbers which have odd number of digits ''' res = karatsuba_main(42789,31890) self.assertEqual(res,1364541210)
def test_odd_even(self): ''' This code tests the multiplication of an even digit number and an odd digit number ''' res = karatsuba_main(5691,478) self.assertEqual(res,2720298)
def test_posx_zeroy(self): ''' This code tests the scenario when x is a positive integer and y is zero ''' res = karatsuba_main(250,0) self.assertEqual(res,0)
def test_negx_zeroy(self): ''' This code tests the scenario when x is a negative integer and y is zero ''' res = karatsuba_main(-1200,0) self.assertEqual(res,0)
def test_zerox_posy(self): ''' This code tests the scenario when x = 0 and y is a positive integer ''' res = karatsuba_main(0,1000) self.assertEqual(res,0)
def test_zerox_negy(self): ''' This code tests the scenario when x = 0 and y is a negative integer ''' res = karatsuba_main(-500,0) self.assertEqual(res,0)
def test_zero_mul(self):
''' This code tests if multiplying a zero by zero produces the desired result '''
res = karatsuba_main(0,0)
self.assertEqual(res, 0)
def test_primes(self): ''' This code tests the multiplication of two prime numbers ''' res = karatsuba_main(31,37) self.assertEqual(res,1147)
def test_square(self): ''' This code tests the multiplication of the same number twice ''' res1 = karatsuba_main(13,13) self.assertEqual(res1,169) res2 = karatsuba_main(6,6) self.assertEqual(res2,36)
def test_stry(self): ''' This code tests the scenario when y is a string ''' res = karatsuba_main(1089,'d') self.assertIsNone(res)
def test_floatx(self): ''' This code tests the scenario when x is a floating point number ''' res = karatsuba_main(12.782,13) self.assertEqual(res,156)
def test_large(self): ''' This code tests the multiplication of two large numbers ''' res = karatsuba_main(1089276,1909831) self.assertEqual(res,2080333072356)
def test_floaty(self):
''' This code tests the scenario when y is a floating point number '''
res = karatsuba_main(12,-13.28)
self.assertEqual(res,-156)
def test_even_digits(self): ''' This code tests the multiplication of two even digit numbers ''' res = karatsuba_main(6789,2391) self.assertEqual(res,16232499)
def test_onex_posy(self): ''' This code tests the scenario when x = 1 and y is a positive integer ''' res = karatsuba_main(1,10191) self.assertEqual(res,10191)
def test_single_digit(self): ''' This code tests the multiplication of a single digit number with other number ''' res = karatsuba_main(3458,9) self.assertEqual(res,31122)
def test_neg_pos(self): ''' This code tests the multiplication of a negative number with a positive number ''' res1 = karatsuba_main(-678,28) self.assertEqual(res1,-18984) res2 = karatsuba_main(28,-678) self.assertEqual(res2,-18984)