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test: confirm globals not used internally

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PR-URL: https://github.com/nodejs/node/pull/5882
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
This commit is contained in:
Rich Trott 2016-03-24 15:11:36 -07:00
parent 9fa25c8ca0
commit f0367d0edc
1 changed files with 15 additions and 14 deletions
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29
test/parallel/test-timers-api-refs.js
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@ -1,20 +1,21 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const timers = require('timers');
// don't verify the globals for this test
common.globalCheck = false;
// delete global APIs to make sure they're not relied on by the internal timers
// code
delete global.setTimeout;
delete global.clearTimeout;
delete global.setInterval;
delete global.clearInterval;
delete global.setImmediate;
delete global.clearImmediate;
// try overriding global APIs to make sure
// they're not relied on by the timers
global.clearTimeout = assert.fail;
const timeoutCallback = () => { timers.clearTimeout(timeout); };
const timeout = timers.setTimeout(common.mustCall(timeoutCallback), 1);
// run timeouts/intervals through the paces
const intv = setInterval(function() {}, 1);
setTimeout(function() {
clearInterval(intv);
}, 100);
setTimeout(function() {}, 2);
const intervalCallback = () => { timers.clearInterval(interval); };
const interval = timers.setInterval(common.mustCall(intervalCallback), 1);
const immediateCallback = () => { timers.clearImmediate(immediate); };
const immediate = timers.setImmediate(immediateCallback);