@Test
  public void testGetSliceWithCollision() throws Exception {
    Keyspace keyspace = Keyspace.open(KEYSPACE);
    ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF);
    cfs.clearUnsafe();

    insert("k1", "k2", "k3"); // token = 2
    insert("key1", "key2", "key3"); // token = 4
    insert("longKey1", "longKey2"); // token = 8

    List<Row> rows =
        cfs.getRangeSlice(
            new Bounds<RowPosition>(dk("k2"), dk("key2")), null, new IdentityQueryFilter(), 10000);
    assert rows.size() == 4 : "Expecting 4 keys, got " + rows.size();
    assert rows.get(0).key.key.equals(ByteBufferUtil.bytes("k2"));
    assert rows.get(1).key.key.equals(ByteBufferUtil.bytes("k3"));
    assert rows.get(2).key.key.equals(ByteBufferUtil.bytes("key1"));
    assert rows.get(3).key.key.equals(ByteBufferUtil.bytes("key2"));
  }
 private void insert(String key) {
   Mutation rm;
   rm = new Mutation(KEYSPACE, ByteBufferUtil.bytes(key));
   rm.add(CF, Util.cellname("column"), ByteBufferUtil.bytes("asdf"), 0);
   rm.apply();
 }
 public Token<BigInteger> fromByteArray(ByteBuffer bytes) {
   return new BigIntegerToken(new BigInteger(ByteBufferUtil.getArray(bytes)));
 }