@Test
public void testDuplicateSuppression() throws Exception {
DependencyNode root = parse("cycles.txt");
PreorderNodeListGenerator visitor = new PreorderNodeListGenerator();
root.accept(visitor);
assertSequence(visitor.getNodes(), "a", "b", "c", "d", "e");
}
@Test
public void testOrdering() throws Exception {
DependencyNode root = parse("simple.txt");
PreorderNodeListGenerator visitor = new PreorderNodeListGenerator();
root.accept(visitor);
assertSequence(visitor.getNodes(), "a", "b", "c", "d", "e");
}