clipboard-apis/async-unsanitized-plaintext-formats-write-read.tentative.https.html

<!doctype html>
<meta charset="utf-8">
<title>Async Clipboard unsanitized write -> Async Clipboard unsanitized read test</title>
<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
<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="resources/user-activation.js"></script>
<script>
'use strict';

// Writes a payload with custom content and checks to ensure the correct data
// was written successfully.
promise_test(async t => {
  await tryGrantReadPermission();
  await tryGrantWritePermission();

  const dataToWrite = 'Test text.';
  const format1 = 'web text/plain';
  const format2 = 'text/plain';

  const blobInput1 = new Blob([dataToWrite], {type: format1});
  const blobInput2 = new Blob([dataToWrite], {type: format2});
  // Blob types are automatically converted to lower-case.
  assert_equals(blobInput1.type, format1.toLowerCase());
  assert_equals(blobInput2.type, format2.toLowerCase());
  const clipboardItemInput = new ClipboardItem(
      {[format1]: blobInput1, [format2]: blobInput2});
  await waitForUserActivation();
  await navigator.clipboard.write([clipboardItemInput]);

  // Items should be readable on a system clipboard after custom format write.
  await waitForUserActivation();
  const clipboardItems = await navigator.clipboard.read();
  assert_equals(clipboardItems.length, 1);
  const clipboardItem = clipboardItems[0];
  assert_true(clipboardItem instanceof ClipboardItem);

  const blobOutput1 = await clipboardItem.getType(format1);
  assert_equals(blobOutput1.type, format1);
  const data1 = await (new Response(blobOutput1)).text();
  assert_equals(data1, dataToWrite);

  // These examples use native text formats, so these formats should be
  // accessible as text.
  await waitForUserActivation();
  const textOutput = await navigator.clipboard.readText();
  assert_equals(textOutput, dataToWrite);
}, 'Verify write and read unsanitized content to the clipboard given standard and custom formats as input');
</script>