public void testKmin() throws Exception { DiskTreap<String, Integer> strKeyIndex = new DiskTreap<String, Integer>(prepareDataStringKey()); Map<String, Integer> result = strKeyIndex.kmin(1); assertNotNull(result); assertEquals(new Integer(789), result.get("18 year")); strKeyIndex.close(); // ======= DiskTreap<Integer, String> intKeyIndex = new DiskTreap<Integer, String>(prepareDataFastIntKey()); Map<Integer, String> result_2 = intKeyIndex.kmin(1); assertNotNull(result_2); assertEquals("abc", result_2.get(-12)); intKeyIndex.close(); // ======= DiskTreap<FastString, byte[]> fastStringIndex = new DiskTreap<FastString, byte[]>(prepareDataFastStringKey()); Map<FastString, byte[]> result_3 = fastStringIndex.kmin(1); assertNotNull(result_3); assertEquals("11789", new String(result_3.get(new FastString("中科院计算所")))); fastStringIndex.close(); }