list-rule-eagerness-conservative-pointerdown.https.html

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prefetch/list-rule-eagerness-conservative-pointerdown.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Speculation rules: conservative eagerness list rule prefetches on pointer down</title>

<meta name="timeout" content="long">

<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/testdriver-actions.js"></script>

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="/common/utils.js"></script>

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

<script src="resources/utils.sub.js"></script>

<body>

<script>

  setup(() => assertSpeculationRulesIsSupported());

  promise_test(async t => {

    const url = getPrefetchUrl();

    const link = addLink(url);

    // Give the link a box so the pointer has something to press.

    link.textContent = 'press me';

    insertSpeculationRules({

      prefetch: [{ source: 'list', urls: [url], eagerness: 'conservative' }]

});

    await new Promise(resolve => t.step_timeout(resolve, 2000));

    assert_equals(await isUrlPrefetched(url), 0,

        'conservative candidate must not be prefetched before any interaction');

    await new test_driver.Actions()

        .addPointer('mouse')

        .pointerMove(0, 0, { origin: link })

        .send();

    await new Promise(resolve => t.step_timeout(resolve, 2000));

    assert_equals(await isUrlPrefetched(url), 0,

        'conservative candidate must not be prefetched by hover alone');

    // Release the pointer away from the link so that no click navigates.

    await new test_driver.Actions()

        .addPointer('mouse')

        .pointerMove(0, 0, { origin: link })

        .pointerDown()

        .pointerMove(0, 0)

        .pointerUp()

        .send();

    assert_equals(await waitUntilPrefetched(t, url, 2000), 1,

        'conservative candidate must be prefetched after pointer down on the link');

  }, 'conservative eagerness list rule prefetches after pointer down on the link');

</script>

</body>