def test_merge_not_changed(self):
list1 = [1, 3, 5]
list2 = [0, 2, 4]
list3 = []
merged = merge(list1, list2)
self.assertEqual(
[1, 3, 5], list1,
"merge must not modified the lists passed as parameters!")
self.assertEqual(
[0, 2, 4], list2,
"merge must not modified the lists passed as parameters!")
merged = merge(list1, list3)
self.assertEqual(
[1, 3, 5], list1,
"merge must not modified the lists passed as parameters!")
self.assertEqual(
[], list3,
"merge must not modified the lists passed as parameters!")
merged = merge(list3, list1)
self.assertEqual(
[1, 3, 5], list1,
"merge must not modified the lists passed as parameters!")
self.assertEqual(
[], list3,
"merge must not modified the lists passed as parameters!")
def test_merge_overlapping_list(self):
self.assertEqual([1, 1, 2, 3, 4, 5, 5, 5],
merge([1, 3, 5], [1, 2, 4, 5, 5]),
"merge([1,3,5],[1,2,4,5,5]) incorrect")
def test_merge_empty(self):
self.assertEqual([], merge([], []), "merge([],[]) incorrect!")
self.assertEqual([1, 3, 5], merge([1, 3, 5], []),
"merge([1,3,5],[]) incorrect!")
self.assertEqual([1, 3, 5], merge([], [1, 3, 5]),
"merge([],[1,3,5]) incorrect!")
def test_merge_disjoint_list(self):
self.assertEqual([0, 1, 2, 3, 4, 5], merge([1, 3, 5], [0, 2, 4]),
"merge([1,3,5],[0,2,4]) incorrect")