clipboard-write-enabled-by-feature-policy-attribute-cross-origin-tentative.https.sub.html

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This WPT test may be referenced by the following Test IDs:
- /clipboard-apis/feature-policy/clipboard-write/clipboard-write-enabled-by-feature-policy-attribute-cross-origin-tentative.https.sub.html - WPT Dashboard Interop Dashboard

<!doctype html>

<body>Body needed for test_driver.click()</body>

<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="/feature-policy/resources/featurepolicy.js"></script>

<script src="../../resources/user-activation.js"></script>

<script>

'use strict';

const same_origin_src =

  '/feature-policy/resources/feature-policy-clipboard-write.html';

const cross_origin_src =

  'https://{{hosts[alt][]}}:{{ports[https][0]}}' + same_origin_src;

// TODO(https://github.com/whatwg/html/issues/5493, https://crbug.com/1074482):

// In Chrome and Firefox, Cross-origin focus requires user gesture. In Chrome

// only, cross-origin focus is asynchronous. Implement WPT support for

// cross-origin focus.

promise_test(async t => {

  await waitForUserActivation();

  test_feature_availability(

    'navigator.clipboard.writeText("test text")',

t,

    cross_origin_src,

    expect_feature_available_default,

    'clipboard-write'

);

}, 'Feature policy "clipboard-write" can be enabled in cross-origin iframe using allow="clipboard-write" attribute');

</script>