interesttarget-anchor-event-dispatch.tentative.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/the-button-element/interest-target/interesttarget-anchor-event-dispatch.tentative.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8" />

<link rel="author" title="Keith Cirkel" href="mailto:keithamus@github.com" >

<link rel="author" title="Luke Warlow" href="mailto:lwarlow@igalia.com" >

<link rel=author href="mailto:masonf@chromium.org">

<link rel="help" href="https://open-ui.org/components/interest-invokers.explainer">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-actions.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<script src="resources/invoker-utils.js"></script>

<div id="interestee"></div>

<a id="nohref" interesttarget="interestee">Anchor</a>

<a href="/" id="interestanchor" interesttarget="interestee">Anchor</a>

<button id="otherbutton">Other Button</button>

<style>

  [interesttarget] {

    interest-target-delay: 0s;

</style>

<script>

  promise_test(async function (t) {

    t.add_cleanup(async () => {

      await hoverOver(otherbutton);

});

    let gotEvent = false;

    interestee.addEventListener("interest", () => (gotEvent = true));

    await hoverOver(nohref);

    assert_false(gotEvent, "InterestEvent should not get fired");

    nohref.setAttribute('href','foo');

    await hoverOver(nohref);

    assert_false(gotEvent, "adding href while the element is already hovered should not fire interest");

    await hoverOver(otherbutton);

    await hoverOver(nohref);

    assert_true(gotEvent, "interest should now be fired");

  }, "InterestEvent is not dispatched unless the anchor has an href");

  promise_test(async function (t) {

    t.add_cleanup(async () => {

      await hoverOver(otherbutton);

});

    let event = null;

    interestee.addEventListener("interest", (e) => (event = e), { once: true });

    await hoverOver(interestanchor);

    assert_true(!!event, "InterestEvent is fired");

    assert_true(event instanceof InterestEvent, "event is InterestEvent");

    assert_equals(event.type, "interest", "type");

    assert_equals(event.bubbles, false, "bubbles");

    assert_equals(event.composed, true, "composed");

    assert_equals(event.isTrusted, true, "isTrusted");

    assert_equals(event.target, interestee, "target");

    assert_equals(event.source, interestanchor, "source");

  }, "InterestEvent dispatches on anchor hover");

</script>

<br>

<a href="/" id="parentanchor" interesttarget="childdiv"><span>Anchor</span>

  <div id="childdiv">Child div</div>

</a>

<script>

  promise_test(async function (t) {

    let events = [];

    childdiv.addEventListener("interest", (e) => (events.push('interest')));

    childdiv.addEventListener("loseinterest", (e) => (events.push('loseinterest')));

    const justAnchor = parentanchor.firstChild;

    assert_true(justAnchor instanceof HTMLSpanElement);

    await hoverOver(justAnchor);

    assert_array_equals(events,['interest'],'Hovering anchor should show interest');

    await hoverOver(childdiv);

    assert_array_equals(events,['interest'],'Hovering the target shouldn\'t fire any new events');

    await hoverOver(justAnchor);

    assert_array_equals(events,['interest'],'Hovering back on the anchor shouldn\'t fire new events');

    await hoverOver(otherbutton);

    assert_array_equals(events,['interest','loseinterest'],'De-hovering both should fire loseinterest');

  }, "Nested invoker and invokee");

</script>