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// 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');
});