f29762f4dd
Enable linting for the test directory. A number of changes was made so all tests conform the current rules used by lib and src directories. The only exception for tests is that unreachable (dead) code is allowed. test-fs-non-number-arguments-throw had to be excluded from the changes because of a weird issue on Windows CI. PR-URL: https://github.com/nodejs/io.js/pull/1721 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
'use strict';
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// FaketimeFlags: --exclude-monotonic -f '2014-07-21 09:00:00'
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var common = require('../common');
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var Timer = process.binding('timer_wrap').Timer;
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var assert = require('assert');
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var timerFired = false;
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var intervalFired = false;
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/*
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* This test case aims at making sure that timing utilities such
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* as setTimeout and setInterval are not vulnerable to time
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* drifting or inconsistent time changes (such as ntp time sync
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* in the past, etc.).
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*
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* It is run using faketime so that we change how
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* non-monotonic clocks perceive time movement. We freeze
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* non-monotonic time, and check if setTimeout and setInterval
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* work properly in that situation.
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*
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* We check this by setting a timer based on a monotonic clock
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* to fire after setTimeout's callback is supposed to be called.
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* This monotonic timer, by definition, is not subject to time drifting
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* and inconsistent time changes, so it can be considered as a solid
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* reference.
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*
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* When the monotonic timer fires, if the setTimeout's callback
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* hasn't been called yet, it means that setTimeout's underlying timer
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* is vulnerable to time drift or inconsistent time changes.
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*/
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var monoTimer = new Timer();
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monoTimer.ontimeout = function() {
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/*
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* Make sure that setTimeout's and setInterval's callbacks have
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* already fired, otherwise it means that they are vulnerable to
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* time drifting or inconsistent time changes.
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*/
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assert(timerFired);
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assert(intervalFired);
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};
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monoTimer.start(300, 0);
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var timer = setTimeout(function() {
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timerFired = true;
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}, 200);
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var interval = setInterval(function() {
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intervalFired = true;
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clearInterval(interval);
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}, 200);
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