def test_remove_when_item_is_present_and_head_item_is_removed_when_linkedlist_is_only_one_item(
self):
# Arrange
linkedlist = LinkedList()
linkedlist.push_back("Umair")
# Act
removed = linkedlist.remove("Umair")
# Assert
self.assertTrue(removed)
self.assertRaises(ValueError, linkedlist.find, "Umair")
self.assertTrue(linkedlist.size() == 0)
def test_remove_when_item_is_present_and_non_head_middle_item_is_removed_when_list_is_more_than_one_item(
self):
# Arrange
linkedlist = LinkedList()
linkedlist.push_back("Umair")
linkedlist.push_back("Aamir")
linkedlist.push_back("Usman")
# Act
removed = linkedlist.remove("Aamir")
# Assert
self.assertTrue(removed)
self.assertRaises(ValueError, linkedlist.find, "Aamir")
self.assertTrue(linkedlist.size() == 2)