def test_2(self):
l3_0 = ListNode(0)
l4_0 = ListNode(0)
sum_list_node_0 = add_two_numbers(l3_0, l4_0)
self.assertEqual(stringify_list(sum_list_node_0), '0')
def test_2(self):
l1 = None
l2 = ListNode(0)
expected = '0'
merged = merge_two_lists(l1, l2)
self.assertEqual(stringify_list(merged), expected)
def test_4(self):
l7_0 = ListNode(9)
l7_1 = ListNode(9)
l7_0.next = l7_1
l8_0 = ListNode(1)
sum_list_node_0 = add_two_numbers(l7_0, l8_0)
self.assertEqual(stringify_list(sum_list_node_0), '0 -> 0 -> 1')
def test_2(self):
l1 = ListNode(2)
l0 = ListNode(1)
l0.next = l1
new_l = remove_nth_from_end(l0, 2)
str_new_l = stringify_list(new_l)
self.assertEqual(str_new_l, '2')
def test_2(self):
k = [
None,
None
]
expected = ''
merged = merge_k_lists(k)
self.assertEqual(stringify_list(merged), expected)
def test_3(self):
k = [
ListNode(1),
ListNode(0)
]
expected = '0 -> 1'
merged = merge_k_lists(k)
self.assertEqual(stringify_list(merged), expected)
def test_4(self):
k = [
ListNode(1, ListNode(2, ListNode(2))),
ListNode(1, ListNode(1, ListNode(2)))
]
expected = '1 -> 1 -> 1 -> 2 -> 2 -> 2'
merged = merge_k_lists(k)
self.assertEqual(stringify_list(merged), expected)
def test_1(self):
k = [
ListNode(1, ListNode(4, ListNode(5))),
ListNode(1, ListNode(3, ListNode(4))),
ListNode(2, ListNode(6))
]
expected = '1 -> 1 -> 2 -> 3 -> 4 -> 4 -> 5 -> 6'
merged = merge_k_lists(k)
self.assertEqual(stringify_list(merged), expected)
def test_1(self):
l4 = ListNode(5)
l3 = ListNode(4)
l3.next = l4
l2 = ListNode(3)
l2.next = l3
l1 = ListNode(2)
l1.next = l2
l0 = ListNode(1)
l0.next = l1
new_l = remove_nth_from_end(l0, 2)
str_new_l = stringify_list(new_l)
self.assertEqual(str_new_l, '1 -> 2 -> 3 -> 5')
def test_1(self):
l1_2 = ListNode(4)
l1_1 = ListNode(2)
l1_1.next = l1_2
l1_0 = ListNode(1)
l1_0.next = l1_1
l2_2 = ListNode(4)
l2_1 = ListNode(3)
l2_1.next = l2_2
l2_0 = ListNode(1)
l2_0.next = l2_1
expected = '1 -> 1 -> 2 -> 3 -> 4 -> 4'
merged = merge_two_lists(l1_0, l2_0)
self.assertEqual(stringify_list(merged), expected)
def test_1(self):
# Build list 1
l1_2 = ListNode(3)
l1_1 = ListNode(4)
l1_1.next = l1_2
l1_0 = ListNode(2)
l1_0.next = l1_1
# Build list 2
l2_2 = ListNode(4)
l2_1 = ListNode(6)
l2_1.next = l2_2
l2_0 = ListNode(5)
l2_0.next = l2_1
sum_list_node_0 = add_two_numbers(l1_0, l2_0)
self.assertEqual(stringify_list(sum_list_node_0), '7 -> 0 -> 8')
def test_1(self):
l = ListNode(1, ListNode(1, ListNode(2)))
trimmed = delete_duplicates(l)
expected = '1 -> 2'
self.assertEqual(stringify_list(trimmed), expected)
def test_3(self):
head = ListNode(1, ListNode(2, ListNode(3, ListNode(4, ListNode(5, ListNode(6))))))
head = swap_pairs(head)
s = stringify_list(head)
self.assertEqual(s, "2 -> 1 -> 4 -> 3 -> 6 -> 5")
def test_4(self):
head = ListNode(1, ListNode(2))
head = swap_pairs(head)
s = stringify_list(head)
self.assertEqual(s, "2 -> 1")
def test_1(self):
head = ListNode(1, ListNode(2, ListNode(3, ListNode(4))))
head = swap_pairs(head)
s = stringify_list(head)
self.assertEqual(s, "2 -> 1 -> 4 -> 3")
def test_single(self):
l0 = ListNode(1)
new_l = remove_nth_from_end(l0, 1)
str_new_l = stringify_list(new_l)
self.assertEqual(str_new_l, '')
def test_3(self):
l5_0 = ListNode(5)
l6_0 = ListNode(5)
sum_list_node_0 = add_two_numbers(l5_0, l6_0)
self.assertEqual(stringify_list(sum_list_node_0), '0 -> 1')