int klen = scanner.entry().getKeyLength();
scanner.entry().getKey(kbuf);
Assert.assertEquals(new String(kbuf, 0, klen), "keyZ");
byte[] vbuf = new byte[BUF_SIZE];
int vlen = scanner.entry().getValueLength();
scanner.entry().getValue(vbuf);
Assert.assertEquals(new String(vbuf, 0, vlen), "valueZ");
scanner.advance();