programmatic-click-not-observed.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /event-timing/programmatic-click-not-observed.html - WPT Dashboard Interop Dashboard

<!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-test-utils.js></script>

<script>

  let delayCalled = false;

  let beforeClick;

  function delay() {

    const end = performance.now() + 150;

    while(performance.now() < end) {}

    delayCalled = true;

  promise_test(function(t) {

    assert_implements(window.PerformanceEventTiming, 'Event Timing is not supported.');

    let observedPointerDown = false;

    const observerPromise = new Promise(resolve => {

      const observer = new PerformanceObserver(t.step_func(entryList => {

        const pointerDowns = entryList.getEntriesByName('pointerdown');

        // Ignore cases in which there is no pointerdown.

        if (pointerDowns.length === 0)

          return;

        assert_false(observedPointerDown, 'There must only be one pointerdown entry.');

        assert_equals(pointerDowns.length, 1);

        const entry = pointerDowns[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);

        verifyClickEvent(entry, 'div2', true);

        observedPointerDown = true;

        resolve();

      }));

      observer.observe({entryTypes: ['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.

    const clickPromise = clickAndBlockMain('div2');

    return Promise.all([observerPromise, clickPromise]);

  }, "Event Timing: events from programmatic click are not observed");

</script>

</html>