Python LinkedList.push_front Examples

Example #1

File: test_linkedlist.py Project: Mariyamahnoor95/DataStructuresNoorifyClass

    def test_push_front_when_single_item_linked_list(self):
        # Arrange
        linkedlist = LinkedList()
        linkedlist.push_front("Umair")

        # Act
        pushed = linkedlist.push_front("Aamir")

        # Assert
        self.assertTrue(pushed)
        self.assertTrue(linkedlist.size() == 2)
        self.assertTrue(linkedlist.head.data == "Aamir")

Example #2

File: test_linkedlist.py Project: Mariyamahnoor95/DataStructuresNoorifyClass

    def test_push_front_when_more_than_one_items_linked_list(self):
        # Arrange
        linkedlist = LinkedList()
        linkedlist.push_front("Umair")
        linkedlist.push_front("Aamir")

        # Act
        pushed = linkedlist.push_front("Rayan")

        # Assert
        self.assertTrue(pushed)
        self.assertTrue(linkedlist.size() == 3)
        self.assertTrue(linkedlist.head.data == "Rayan")

Example #3

File: test_linkedlist.py Project: Mariyamahnoor95/DataStructuresNoorifyClass

    def test_push_front_when_empty_linked_list(self):
        # Arrange
        linkedlist = LinkedList()

        # Act
        pushed = linkedlist.push_front("Umair")

        # Assert
        self.assertTrue(pushed)
        self.assertTrue(linkedlist.size() == 1)
        self.assertTrue(linkedlist.find("Umair"))