Reader reader = new Reader(fs.open(path), fs.getFileStatus(path).getLen(), conf);
Scanner scanner = reader.createScanner();
byte[] vbuf = new byte[BUF_SIZE];
int vlen = scanner.entry().getValueLength();
scanner.entry().getValue(vbuf);
Assert.assertEquals(new String(vbuf, 0, vlen), VALUE + 0);
try {
scanner.entry().getValue(vbuf);
Assert.fail("Cannot get the value mlutiple times.");