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