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53 lines
1.7 KiB
53 lines
1.7 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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require('../common');
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const assert = require('assert');
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const Duplex = require('stream').Duplex;
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const stream = new Duplex({ objectMode: true });
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assert(Duplex() instanceof Duplex);
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assert(stream._readableState.objectMode);
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assert(stream._writableState.objectMode);
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let written;
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let read;
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stream._write = (obj, _, cb) => {
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written = obj;
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cb();
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};
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stream._read = () => {};
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stream.on('data', (obj) => {
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read = obj;
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});
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stream.push({ val: 1 });
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stream.end({ val: 2 });
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process.on('exit', () => {
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assert.strictEqual(read.val, 1);
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assert.strictEqual(written.val, 2);
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});
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