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.getExtent(), info2.getExtent());
Assert.assertEquals(info.getState(), info2.getState());
Assert.assertEquals(info.getOperation(), info2.getOperation());
return info2;
}