UrlWithScore k5 = new UrlWithScore("http://example.org/2", 3f);
// k1 is after k2, because score is lower
assertEquals(1, comp.compare(k1, k2));
// test symmetry
assertEquals(-1, comp.compare(k2, k1));
// k1 is before k3, k4 and k5, because url is lower
assertEquals(-1, compareBothRegularAndRaw(comp, k1, k3));
assertEquals(-1, compareBothRegularAndRaw(comp, k1, k4));
assertEquals(-1, compareBothRegularAndRaw(comp, k1, k5));