downloadurl-list-custom-clipboard-data.tentative.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:
- /clipboard-apis/downloadurl-list-custom-clipboard-data.tentative.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

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

<title>DownloadURL-list is excluded from custom clipboard data</title>

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

<body>

  <button id="copy-button">Copy test data</button>

<script>

'use strict';

const copyButton = document.getElementById('copy-button');

const downloadUrlListType = 'downloadurl-list';

const downloadUrlListData = 'test data';

// Set a custom data type as a control for testing.

const controlType = 'application/x-downloadurl-list-control';

const controlData = 'control data';

copyButton.addEventListener('click', () => document.execCommand('copy'));

document.addEventListener('copy', event => {

  event.preventDefault();

  event.clipboardData.setData(downloadUrlListType, downloadUrlListData);

  event.clipboardData.setData(controlType, controlData);

});

async function readPasteData() {

  const pastePromise = new Promise(resolve => {

    document.addEventListener('paste', event => {

      event.preventDefault();

      resolve({

        types: Array.from(event.clipboardData.types),

        downloadUrlList: event.clipboardData.getData(downloadUrlListType),

        control: event.clipboardData.getData(controlType),

});

    }, {once: true});

});

  await sendPasteShortcutKey();

  return pastePromise;

promise_test(async () => {

  await test_driver.click(copyButton);

  const pasteData = await readPasteData();

  assert_false(pasteData.types.includes(downloadUrlListType));

  assert_equals(pasteData.downloadUrlList, '');

  assert_true(pasteData.types.includes(controlType));

  assert_equals(pasteData.control, controlData);

}, 'DownloadURL-list is not exposed as custom clipboard data');

</script>

</body>