assertNull(helper.getParent("node1")); assertEquals(0, helper.getAncestors("node1").size()); assertEquals(1, helper.getAncestors("node12").size()); assertTrue(helper.getAncestors("node12").contains("node1")); assertEquals(2, helper.getAncestors("node112").size()); assertTrue(helper.getAncestors("node112").contains("node11")); assertTrue(helper.getAncestors("node112").contains("node1"));
helper.getAncestors("node1"); } catch (RuntimeException e) { fail = false;
helper.getAncestors("node1"); } catch (RuntimeException e) { fail = false;