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94 lines
2.4 KiB
94 lines
2.4 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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var common = require('../common');
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var assert = require('assert');
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var Readable = require('_stream_readable');
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var Writable = require('_stream_writable');
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var EE = require('events').EventEmitter;
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var old = new EE;
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var r = new Readable({ highWaterMark: 10 });
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assert.equal(r, r.wrap(old));
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var ended = false;
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r.on('end', function() {
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ended = true;
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});
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var pauses = 0;
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var resumes = 0;
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old.pause = function() {
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pauses++;
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old.emit('pause');
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flowing = false;
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};
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old.resume = function() {
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resumes++;
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old.emit('resume');
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flow();
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};
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var flowing;
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var chunks = 10;
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var oldEnded = false;
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function flow() {
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flowing = true;
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while (flowing && chunks-- > 0) {
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old.emit('data', new Buffer('xxxxxxxxxx'));
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}
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if (chunks <= 0) {
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oldEnded = true;
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old.emit('end');
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}
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}
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var w = new Writable({ highWaterMark: 20 });
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var written = [];
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w._write = function(chunk, encoding, cb) {
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written.push(chunk.toString());
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setTimeout(cb);
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};
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var finished = false;
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w.on('finish', function() {
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finished = true;
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});
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var expect = new Array(11).join('xxxxxxxxxx');
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r.pipe(w);
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flow();
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process.on('exit', function() {
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assert.equal(pauses, 10);
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assert.equal(resumes, 9);
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assert(ended);
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assert(finished);
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assert(oldEnded);
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assert.equal(written.join(''), expect);
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console.log('ok');
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});
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