<!doctype html>
<meta charset="utf-8">
<title>
  Async Clipboard writeText -> read ([text/plain ClipboardItem]) 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 src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script>
async function readWriteTest(textInput) {
  promise_test(async t => {
    await test_driver.set_permission({name: 'clipboard-read'}, 'granted');
    await test_driver.set_permission({name: 'clipboard-write'}, 'granted');

    await navigator.clipboard.writeText(textInput);
    const clipboardItems = await navigator.clipboard.read();
    assert_equals(clipboardItems.length, 1);
    const clipboardItem = clipboardItems[0];
    assert_true(clipboardItem instanceof ClipboardItem);
    assert_equals(clipboardItem.types.length, 1);
    const blobOutput = await clipboardItem.getType('text/plain');
    assert_equals(blobOutput.type, 'text/plain');

    const textOutput = await (new Response(blobOutput)).text();
    assert_equals(textOutput, textInput);
  }, 'Verify write and read clipboard given text: ' + textInput);
}

readWriteTest('Clipboard write text -> read ([text/plain ClipboardItem]) test');
readWriteTest('non-Latin1 text encoding test データ');
</script>