mozilla-release/testing/web-platform/tests/clipboard-apis/async-raw-write-read.tentative.https.html

<!doctype html>
<meta charset="utf-8">
<title> Async Clipboard raw write -> Async Clipboard raw read tests </title>
<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async function readWriteTest(rawInput) {
  promise_test(async t => {
    const blobInput = new Blob([rawInput], {type: 'chromium/x-test-format'});
    const clipboardItem = new ClipboardItem(
        {'chromium/x-test-format': blobInput}, {raw: true});

    await navigator.clipboard.write([clipboardItem]);
    // TODO(https://crbug.com/897289): Implement raw clipboard read.

  }, 'Verify write and read clipboard given arbitrary raw input: ' + rawInput);
}

readWriteTest('Async Clipboard raw write -> Async Clipboard raw read tests');
</script>
<p>
  Note: This is a manual test because it writes/reads to the shared system
  clipboard and thus cannot be run async with other tests that might interact
  with the clipboard.
</p>