async-navigator-clipboard-events.https.html

<!doctype html>
<meta charset="utf-8">
<title>Async Clipboard - verfiying API accessible in relevant event handler</title>
<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
<body>Foo</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>

'use strict';

function writeToClipboard() {
  const html_text = "<p style='color: red; font-style: oblique;'>Test</p>";
  return navigator.clipboard.write([
    new ClipboardItem({
          'text/html': Promise.resolve(new Blob([html_text], {type: 'text/html'}))
        }),
    ]);
}

async_test(t => {
  assert_implements(window.internals, 'window.internals is required');
  document.addEventListener('paste', t.step_func_done(async () => {
    const result = await navigator.clipboard.read();
    assert_true(result instanceof Object);
    assert_true(result[0] instanceof ClipboardItem);
  }));
  internals.executeCommand(document, 'paste', '');
}, 'navigator.clipboard.read() succeeds in paste event');

async_test(t => {
  assert_implements(window.internals, 'window.internals is required');
  document.addEventListener('cut', t.step_func_done(async () => {
    const result = await writeToClipboard();
  }));
  internals.executeCommand(document, 'cut', '');
}, 'navigator.clipboard.write() succeeds in cut event');

async_test(t => {
  assert_implements(window.internals, 'window.internals is required');
  document.addEventListener('copy', t.step_func_done(async () => {
    const result = await writeToClipboard();
  }));
  internals.executeCommand(document, 'copy', '');
}, 'navigator.clipboard.write() succeeds in copy event');

</script>
chromium/third_party/blink/web_tests/wpt_internal/clipboard-apis/async-navigator-clipboard-events.https.html
