@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}"));
}
