@Test
public void testInOrderIteratorSingleValue() {
final Tree<Integer> target = new Tree<Integer>();
target.setValue(1);
final Iterator<Integer> iter = target.inOrderIterator();
assertEquals(new Integer(1), iter.next());
assertFalse(iter.hasNext());
}
/** Test method for {@link com.fuerve.whiteboard.milestone2.structures.Tree#inOrderIterator()}. */
@Test
public void testInOrderIterator() {
final Tree<Integer> target = new Tree<Integer>();
final Tree<Integer> child1 = new Tree<Integer>();
final Tree<Integer> child2 = new Tree<Integer>();
final Tree<Integer> child1_1 = new Tree<Integer>();
child1_1.setValue(1);
child1.setValue(2);
target.setValue(3);
child2.setValue(4);
target.addChild(child1);
target.addChild(child2);
child1.addChild(child1_1);
final Iterator<Integer> iter = target.inOrderIterator();
for (int i = 1; i <= 4; i++) {
assertEquals(new Integer(i), iter.next());
}
}