node/test/parallel/test-stream2-unpipe-drain.js
James M Snell 98e54b0bd4 meta: restore original copyright header
A prior io.js era commit inappropriately removed the
original copyright statements from the source. This
restores those in any files still remaining from that
edit.

Ref: https://github.com/nodejs/TSC/issues/174
Ref: https://github.com/nodejs/node/pull/10599
PR-URL: https://github.com/nodejs/node/pull/10155

Note: This PR was required, reviewed-by and approved
by the Node.js Foundation Legal Committee and the TSC.
There is no `Approved-By:` meta data.
2017-03-10 11:23:48 -08:00

76 lines
2.1 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
require('../common');
const assert = require('assert');
const stream = require('stream');
const util = require('util');
function TestWriter() {
stream.Writable.call(this);
}
util.inherits(TestWriter, stream.Writable);
TestWriter.prototype._write = function(buffer, encoding, callback) {
console.log('write called');
// super slow write stream (callback never called)
};
const dest = new TestWriter();
function TestReader(id) {
stream.Readable.call(this);
this.reads = 0;
}
util.inherits(TestReader, stream.Readable);
TestReader.prototype._read = function(size) {
this.reads += 1;
this.push(Buffer.alloc(size));
};
const src1 = new TestReader();
const src2 = new TestReader();
src1.pipe(dest);
src1.once('readable', function() {
process.nextTick(function() {
src2.pipe(dest);
src2.once('readable', function() {
process.nextTick(function() {
src1.unpipe(dest);
});
});
});
});
process.on('exit', function() {
assert.strictEqual(src1.reads, 2);
assert.strictEqual(src2.reads, 2);
});