// 6
public void testGetFirstNodeFromList() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
int first = 0;
Node expectedNode = list.get(first);
Node actualNode = list.first();
assertEquals(expectedNode, actualNode);
}
// 7
public void testGetLastNodeFromList() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
int last = list.size() - 1;
Node expectedNode = list.get(last);
Node actualNode = list.last();
assertEquals(expectedNode, actualNode);
}
// 8
public void testGetBeforeNodeFromList() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
Node node = list.get(2);
Node expectedNode = list.get(1);
Node actualNode = list.before(node);
assertEquals(expectedNode, actualNode);
}
// 4
public void testInsertAfterIndexN() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
int size = list.size();
int n = 2;
Node node = new Node();
node.setValue("Node 1");
node.setNextIndex(n + 1);
list.insertAfter(node, n);
assertTrue(size < list.size());
Node nodeInsert = list.get(n);
assertEquals(node.getValue(), nodeInsert.getValue());
assertEquals(node.getNextIndex(), nodeInsert.getNextIndex());
assertTrue(nodeInsert == node);
}
// 5
public void testDeleteFromList() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
int size = list.size();
int position = 2;
Node node = list.get(position);
list.delete(node);
assertTrue(size > list.size());
assertTrue(node != list.get(position));
}
// 3
public void testGetSizeOfLinkList() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
assertTrue(nodes.size() == list.size());
}
// 2
public void testCreateNewLinkListWithObjectList() {
List<Node> nodes = createNewNodes();
SingleLinkedList list = new SingleLinkedList(nodes);
assertEquals(nodes, list.getList());
}
// 1
public void testCreateNewLinkListWithEmptyList() {
List<Node> nodes = new ArrayList<Node>();
SingleLinkedList linkedList = new SingleLinkedList(nodes);
assertTrue(linkedList.getList().isEmpty());
}