/** To test if deleting the node following the current node */
@Test
public void testDeleteNext() {
// delete the node after the current node
filledTest.deleteNext(filledTest.getFirstNode());
// the e should have been deleted
assertEquals("tstString", filledTest.toString());
}
/** To test if inserting after a node works */
@Test
public void testInsertAfter() {
// insert a Z at the spot after the head
filledTest.insertAfter(filledTest.getFirstNode(), "Z");
// insert a Z at the spot after the head
twoTest.insertAfter(twoTest.getFirstNode(), "Z");
// insert a Z at the spot after the head
oneTest.insertAfter(oneTest.getFirstNode(), "Z");
// the spot after the head should hold a "Z"
assertEquals("Z", filledTest.getFirstNode().getNext().toString());
assertEquals("Z", twoTest.getFirstNode().getNext().toString());
assertEquals("Z", oneTest.getFirstNode().getNext().toString());
}
