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Commit aee8357d authored by Nicolás Peña Moreno's avatar Nicolás Peña Moreno Committed by Commit Bot
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[EventTiming] Add test to not observe JS click() 

Bug: 823744
Change-Id: I5a18e0650366001efd78055b529c36489e87ebfb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1600340
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Reviewed-by: default avatarTimothy Dresser <tdresser@chromium.org>
Cr-Commit-Position: refs/heads/master@{#658330}
parent 8ec1bfd1
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third_party/blink/web_tests/external/wpt/event-timing/programmatic-click-not-observed.html 0 → 100644
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<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<div id='div' onclick='delay()'>Click me</div>
<div id='div2'>No, click me!</div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=resources/event-timing-support.js></script>
<script>
let delayCalled = false;
let beforeClick;
function delay() {
const end = performance.now() + 150;
while(performance.now() < end) {}
delayCalled = true;
}
async_test(function(t) {
const observer = new PerformanceObserver(t.step_func_done((entryList) => {
const entries = entryList.getEntries().filter(e => e.name === 'click');
// There must only be one click entry: from the clickAndBlockMain() call.
assert_equals(entries.length, 1);
const entry = entries[0];
// This ensures that the entry is exposing timing from the second click, i.e.
// the one from the clickAndBlockMain() call.
assert_greater_than_equal(entry.processingStart, beforeClick);
}));
observer.observe({entryTypes: ['firstInput', 'event']});
document.getElementById('div').click();
// Take the timestamp after the programmatic click but before the next click.
beforeClick = performance.now();
// After the programmatic click, use another input to know when entries have been
// dispatched to the PerformanceObserver callback.
clickAndBlockMain('div2');
}, "Event Timing: events from programmatic click are not observed");
</script>
</html>
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