diff --git a/test/parallel/test-fs-read-stream-fd-leak.js b/test/parallel/test-fs-read-stream-fd-leak.js new file mode 100644 index 00000000000000..abd954506b19d4 --- /dev/null +++ b/test/parallel/test-fs-read-stream-fd-leak.js @@ -0,0 +1,66 @@ +// Copyright io.js 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. + +var common = require('../common'); +var assert = require('assert'); +var fs = require('fs'); +var path = require('path'); + +var openCount = 0; +var _fsopen = fs.open; +var _fsclose = fs.close; + +var loopCount = 50; +var emptyTxt = path.join(common.fixturesDir, 'empty.txt'); + +fs.open = function() { + openCount++; + return _fsopen.apply(null, arguments); +} + +fs.close = function() { + openCount--; + return _fsclose.apply(null, arguments); +} + +function testLeak(endFn, callback) { + console.log('testing for leaks from fs.createReadStream().%s()...', endFn); + + var i = 0; + + setInterval(function() { + var s = fs.createReadStream(emptyTxt); + s[endFn](); + + if (++i === loopCount) { + clearTimeout(this); + setTimeout(function() { + assert.equal(0, openCount, 'no leaked file descriptors using ' + endFn + '() (got ' + openCount + ')'); + openCount = 0; + callback && setTimeout(callback, 100); + }, 100); + } + }, 2); +} + +testLeak('close', function() { + testLeak('destroy'); +});