tal_free(path);
path = path_join(ctx, take(tal_strdup(ctx, "foo")),
take(tal_strdup(ctx, "bar")));
ok1(streq(path, "foo/bar"));
ok1(tal_parent(path) == ctx);
tal_free(path);
path = path_join(ctx, take(tal_strdup(ctx, "foo")),
take(tal_strdup(ctx, "bar")));
ok1(streq(path, "foo/bar"));
ok1(tal_parent(path) == ctx);