52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
// 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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const common = require('../common');
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const assert = require('assert');
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const stream = require('stream');
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const PassThrough = stream.PassThrough;
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const src = new PassThrough({ objectMode: true });
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const tx = new PassThrough({ objectMode: true });
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const dest = new PassThrough({ objectMode: true });
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const expect = [ -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
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const results = [];
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dest.on('data', common.mustCall(function(x) {
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results.push(x);
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}, expect.length));
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src.pipe(tx).pipe(dest);
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let i = -1;
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const int = setInterval(common.mustCall(function() {
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if (results.length === expect.length) {
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src.end();
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clearInterval(int);
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assert.deepStrictEqual(results, expect);
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} else {
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src.write(i++);
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}
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}, expect.length + 1), 1);
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