cookie-deprecation-label-detached-iframe.https.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:
- /cookie-deprecation-label/cookie-deprecation-label-detached-iframe.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<body>

<script>

  promise_test(async t => {

    let label = await navigator.cookieDeprecationLabel.getValue();

    assert_equals(label, 'label_test');

    const iframe = document.createElement('iframe');

    iframe.src = "dummy.html";

    const iframeLoadedPromise = new Promise(resolve => {

      iframe.addEventListener('load', resolve, { once: true });

      document.body.append(iframe);

});

    await iframeLoadedPromise;

    const iframeNavigator = iframe.contentWindow.navigator;

    let iframeLabel = await iframeNavigator.cookieDeprecationLabel.getValue();

    assert_equals(iframeLabel, 'label_test');

    iframe.parentNode.removeChild(iframe);

    label = await navigator.cookieDeprecationLabel.getValue();

    assert_equals(label, 'label_test');

    iframeLabel = await iframeNavigator.cookieDeprecationLabel.getValue();

    assert_equals(iframeLabel, '');

  }, 'Test navigator.cookieDeprecationLabel behavior in detached iframes');

</script>

</body>