@Test
public void testLeafs() {
TreeIterator<TreeNode> it = this.tree.getLeafIterator();
while (it.hasNext()) {
TreeNode node = it.next();
assertThat(node.getChildren(), is(empty()));
}
}
@Test
public void testTreeTraverse() {
TreeIterator<TreeNode> it = this.tree.getIterator();
int index = 0;
while (it.hasNext()) {
String nodeName = it.next().toString();
Assert.assertEquals(nodeName, index == 0 ? "root" : "c" + index);
index++;
}
}