Python LinkedList.get_head_node Beispiele

Beispiel #1

def test_remove_all_nodes_with_value_length2():
    my_linked_list = LinkedList()
    my_linked_list.append_nodes([0, 1])
    my_linked_list.remove_all_nodes_with_value(1)
    assert my_linked_list.get_node_count() == 1
    assert my_linked_list.get_head_node().value == 0
    my_linked_list.append_node(1)
    my_linked_list.remove_all_nodes_with_value(0)
    assert my_linked_list.get_node_count() == 1
    assert my_linked_list.get_head_node().value == 1
    assert my_linked_list.get_value_at_position(2) is None

Beispiel #2

def test_remove_all_nodes_with_value_empty():
    my_linked_list = LinkedList()
    my_linked_list.remove_all_nodes_with_value(0)
    assert my_linked_list.get_node_count() == 0
    assert my_linked_list.get_head_node() is None
    assert my_linked_list.get_value_at_position(0) is None
    assert my_linked_list.get_value_at_position(1) is None

Beispiel #3

def test_remove_head_node_length3():
    my_linked_list = LinkedList()
    my_linked_list.append_nodes([0, 1, 2])
    my_linked_list.remove_head_node()
    assert my_linked_list.get_node_count() == 2
    assert my_linked_list.get_head_node().value == 1 
    assert my_linked_list.get_value_at_position(1) == 2   

Beispiel #4

def test_remove_head_node_length1():
    my_linked_list = LinkedList()
    my_linked_list.append_node(0)
    my_linked_list.remove_head_node()
    assert my_linked_list.get_node_count() == 0
    assert my_linked_list.get_head_node() is None
    assert my_linked_list.get_value_at_position(0) is None    

Beispiel #5

def test_remove_duplicate_values_length1():
    my_linked_list = LinkedList()
    my_linked_list.append_node(0)
    my_linked_list.remove_duplicate_values()
    assert my_linked_list.get_node_count() == 1
    assert my_linked_list.get_head_node().value == 0
    assert my_linked_list.get_value_at_position(0) == 0

Beispiel #6

def test_single_node():
    my_linked_list = LinkedList()
    my_linked_list.append_node(0)
    assert my_linked_list.get_node_count() == 1
    assert my_linked_list.get_head_node().value == 0
    assert my_linked_list.get_value_at_position(0) == 0
    assert my_linked_list.get_value_at_position(1) is None
    assert my_linked_list.get_value_at_position(1) is None

Beispiel #7

def test_remove_head_node_empty_list():
    my_linked_list = LinkedList()
    my_linked_list.remove_head_node()
    assert my_linked_list.get_node_count() == 0
    assert my_linked_list.get_head_node() is None  

Beispiel #8

def test_empty_list():
    my_linked_list = LinkedList()
    assert my_linked_list.get_node_count() == 0
    assert my_linked_list.get_head_node() is None
    assert my_linked_list.get_value_at_position(0) is None
    assert my_linked_list.get_value_at_position(1) is None

Beispiel #9

def test_remove_duplicate_values_empty():
    my_linked_list = LinkedList()
    my_linked_list.remove_duplicate_values()
    assert my_linked_list.get_node_count() == 0
    assert my_linked_list.get_head_node() is None
    assert my_linked_list.get_value_at_position(0) is None