def test_inversion_count():
# get data from file
print("test inversion count.")
in_data = []
for line in fileinput.input("../../data/sort1.dat"):
in_data.append(int(line))
print("in_data", in_data)
from inversion_count import inversion_count
ret = inversion_count(in_data)
print("ret = ", ret)
assert (ret == 16)
def test_of_size_three(self):
array_a = [1, 3, 2]
array_b = [2, 3, 1]
self.assertEqual(inversion_count(array_a, array_b), 3)
def test_of_size_one(self):
array_a = [1]
array_b = [1]
self.assertEqual(inversion_count(array_a, array_b), 0)
def test_of_size_two(self):
array_a = [2, 1]
array_b = [1, 2]
self.assertEqual(inversion_count(array_a, array_b), 1)
