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Timestamp fix for issue #5690

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Wafflespeanut 2015-06-05 21:57:19 +05:30
parent ad5846f2e1
commit 1612f723a8
4 changed files with 23 additions and 1 deletions
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12
tests/wpt/web-platform-tests/hr-time/basic.html
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@ -24,6 +24,18 @@ test(function() {
test(function() {
assert_equals(typeof window.performance.now(), "number", "window.performance.now() returns a number");
}, "window.performance.now() returns a number", {assert: "The now method MUST return a DOMHighResTimeStamp"});
async_test(function() {
// Check whether the performance.now() method is close to Date() within 30ms (due to inaccuracies)
var initial_hrt = performance.now();
var initial_date = Date.now();
setTimeout(this.step_func(function() {
var final_hrt = performance.now();
var final_date = Date.now();
assert_approx_equals(final_hrt - initial_hrt, final_date - initial_date, 30, 'High resolution time value increased by approximately the same amount as time from date object');
this.done();
}), 2000);
}, 'High resolution time has approximately the right relative magnitude');
</script>
</head>
<body>