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TestLinkedList.java
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65 lines (56 loc) · 1.71 KB
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import static org.junit.Assert.*;
import org.junit.Test;
import solutions.LinkedList;
import structures.LinkedListNode;
public class TestLinkedList {
@Test
public void testNode() {
int[] lla={0,0,1,1,2,2,3,3,4,4,5};
LinkedListNode lL=LinkedListNode.linkedListFromArray(lla);
lL.printLinkedList();
int[] lla1={};
LinkedListNode lL1=LinkedListNode.linkedListFromArray(lla1);
assertNull(lL1);
}
@Test
public void testremoveDuplicates() {
int[] lLIA={0,0,1,1,2,2,3,3,4,4,5};
LinkedListNode lL=LinkedListNode.linkedListFromArray(lLIA);
//lL.printLinkedList();
lL=LinkedList.removeDuplicates(lL);
//lL.printLinkedList();
int[] lLIA2={0,0,1,1,2,2,3,3,4,4};
LinkedListNode lL2=LinkedListNode.linkedListFromArray(lLIA2);
//lL2.printLinkedList();
lL2=LinkedList.removeDuplicates(lL2);
//lL2.printLinkedList();
}
@Test
public void testfindNthLastElement(){
int[] lLIA={0,1,2,3,4,5};
LinkedListNode lL=LinkedListNode.linkedListFromArray(lLIA);
LinkedListNode thirdlast = LinkedList.findNthLastElement(lL, 3);
assertEquals("3rd last element is 2", 2, thirdlast.data);
}
@Test
public void testdeleteMiddleNode(){
int[] lLIA={0,1,2,3,4,5};
LinkedListNode lL=LinkedListNode.linkedListFromArray(lLIA);
lL.printLinkedList();
LinkedListNode middle=lL.next;
LinkedList.deleteMiddleNode(middle);
lL.printLinkedList();;
}
@Test
public void testAddLL(){
System.out.println("p2.4");
int[] lLIA={1,3,5};
LinkedListNode lL=LinkedListNode.linkedListFromArray(lLIA);
lL.printLinkedList();
int[] lLIA2={2,5,5,9};
LinkedListNode lL2=LinkedListNode.linkedListFromArray(lLIA2);
lL2.printLinkedList();
LinkedListNode result=LinkedList.addLL(lL, lL2);
result.printLinkedList();
}
}