@Override public long get(long key1, long key2) {
        return super.get0(key1, key2);
    }
@Test
    public void testPutGetMany() {
        final long factor = 123456;
        final int k = 1000;

        for (int i = 1; i <= k; i++) {
            long key1 = (long) i;
            long key2 = key1 * factor;
            insert(key1, key2);
        }

        for (int i = 1; i <= k; i++) {
            long key1 = (long) i;
            long key2 = key1 * factor;
            long valueAddress = hsa.get(key1, key2);

            assertEquals(key1, mem.getLong(valueAddress));
            assertEquals(key2, mem.getLong(valueAddress + 8L));
        }
    }