63 lines
1.2 KiB
JavaScript
63 lines
1.2 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const fixtures = require('../common/fixtures');
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let openCount = 0;
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const _fsopen = fs.open;
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const _fsclose = fs.close;
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const loopCount = 50;
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const totalCheck = 50;
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const emptyTxt = fixtures.path('empty.txt');
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fs.open = function() {
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openCount++;
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return _fsopen.apply(null, arguments);
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};
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fs.close = function() {
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openCount--;
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return _fsclose.apply(null, arguments);
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};
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function testLeak(endFn, callback) {
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console.log(`testing for leaks from fs.createReadStream().${endFn}()...`);
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let i = 0;
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let check = 0;
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function checkFunction() {
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if (openCount !== 0 && check < totalCheck) {
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check++;
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setTimeout(checkFunction, 100);
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return;
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}
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assert.strictEqual(
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openCount,
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0,
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`no leaked file descriptors using ${endFn}() (got ${openCount})`
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);
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openCount = 0;
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callback && setTimeout(callback, 100);
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}
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setInterval(function() {
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const s = fs.createReadStream(emptyTxt);
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s[endFn]();
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if (++i === loopCount) {
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clearTimeout(this);
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setTimeout(checkFunction, 100);
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}
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}, 2);
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}
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testLeak('close', function() {
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testLeak('destroy');
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});
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