private void testRevision(int rev) throws Exception {
manifestParser.reset();
eh.run("hg", "manifest", "--debug", "--rev", String.valueOf(rev == TIP ? -1 : rev));
revisions.clear();
new HgManifestCommand(repo).changeset(rev).execute(handler);
report("manifest " + (rev == TIP ? "TIP:" : "--rev " + rev));
}