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'use strict';
var common = require('../common');
var assert = require('assert');
var Duplex = require('stream').Transform;
var stream = new Duplex({ objectMode: true });
assert(stream._readableState.objectMode);
assert(stream._writableState.objectMode);
var written;
var read;
stream._write = function(obj, _, cb) {
written = obj;
cb();
};
stream._read = function() {};
stream.on('data', function(obj) {
read = obj;
});
stream.push({ val: 1 });
stream.end({ val: 2 });
process.on('exit', function() {
assert(read.val === 1);
assert(written.val === 2);
});