| Index: third_party/WebKit/LayoutTests/fast/events/hr-timestamp/safe-resolution.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/events/hr-timestamp/safe-resolution.html b/third_party/WebKit/LayoutTests/fast/events/hr-timestamp/safe-resolution.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..bc3d519eb284cb3ce57d146faa81b564ae7389f8
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/events/hr-timestamp/safe-resolution.html
|
| @@ -0,0 +1,20 @@
|
| +<!DOCTYPE html>
|
| +
|
| +<script src="../../../resources/testharness.js"></script>
|
| +<script src="../../../resources/testharnessreport.js"></script>
|
| +<script type="text/javascript">
|
| +'use strict';
|
| +
|
| +test(function() {
|
| + let e1 = new MouseEvent('test1');
|
| + let e2 = new MouseEvent('test2');
|
| +
|
| + while (e1.timeStamp == e2.timeStamp)
|
| + e2 = new MouseEvent('test2');
|
| +
|
| + let expectedResolutionMilliseconds = 0.005;
|
| + let integerMultipleOfResolution = (e2.timeStamp - e1.timeStamp) / expectedResolutionMilliseconds;
|
| + let shouldBeNearZeroOrOne = integerMultipleOfResolution % 1;
|
| + assert_true(shouldBeNearZeroOrOne < 1e-10 || Math.abs(shouldBeNearZeroOrOne - 1) < 1e-10);
|
| +}, 'Event timestamp should not have a resolution better that 5 microseconds');
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 1352523002:
Use high precision timestamp for Event.timestamp (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master