@Test public void howto_iterate_all_leafs_test() { createSimpleGraph(); List<String> levels = new ArrayList<String>(); BitSet knownLeafs = matrix.getLeafs(); levels.add(knownLeafs.toString()); BitSet newLeafs = matrix.findAncestorLeafs(knownLeafs); while (!newLeafs.isEmpty()) { levels.add(newLeafs.toString()); knownLeafs.or(newLeafs); newLeafs = matrix.findAncestorLeafs(knownLeafs); } assertThat(levels.get(0), is("{1}")); assertThat(levels.get(1), is("{4}")); assertThat(levels.get(2), is("{3}")); assertThat(levels.get(3), is("{2}")); assertThat(levels.get(4), is("{0}")); }
@Test public void return_leafs_of_graph() { createSimpleGraph(); assertThat(matrix.getLeafs().toString(), is("{1}")); }