DataOutputBuffer buffer = new DataOutputBuffer();
info.write(buffer);
DataInputBuffer in = new DataInputBuffer();
in.reset(buffer.getData(), 0, buffer.getLength());
MergeInfo info2 = new MergeInfo();
info2.readFields(in);
Assert.assertEquals(info.range, info2.range);
Assert.assertEquals(info.state, info2.state);
Assert.assertEquals(info.operation, info2.operation);
return info2;
}