def test_max(self):
num_of_s1 = random.randint(50, 500)
num_of_s2 = random.randint(50, 500)
s1 = ''
s2 = ''
for i in range(num_of_s1):
s1 = str(random.randint(0, 9)) + s1
for i in range(num_of_s2):
s2 = str(random.randint(0, 9)) + s2
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s1, s2), test)
def test_random(self):
for i in range(10000):
num_of_s1 = random.randint(7, 20)
num_of_s2 = random.randint(7, 20)
s1 = ''
s2 = ''
for i in range(num_of_s1):
s1 = str(random.randint(0, 9)) + s1
for i in range(num_of_s2):
s2 = str(random.randint(0, 9)) + s2
s1 = s1.lstrip('0')
s2 = s2.lstrip('0')
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s1, s2), test)
def test_null_result(self):
s1 = '123456789'
test = str(abs(int(s1) - int(s1)))
self.assertEqual(BigMinus(s1, s1), test)
def test_simple(self):
s1 = '123456789'
s2 = '123'
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s1, s2), test)
def test_s2_null(self):
s2 = '0'
s1 = '123456789'
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s1, s2), test)
def test_max_simple(self):
s1 = '05048759779414119005038510062289068160'
s2 = '5869766005497162628819483892411104020636238'
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s2, s1), test)
def test_mode(self):
s1 = '1000000'
s2 = '9999'
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s1, s2), test)
def test_abs(self):
s1 = '0'
s2 = '1'
test = str(abs(int(s1) - int(s2)))
self.assertEqual(BigMinus(s1, s2), test)