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Test Info: Warnings

<!doctype html>
<meta charset="utf-8">
Async Clipboard write ([text/html ClipboardItem]) -> readHtml (and remove scripts) tests
<body>Body needed for</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>
'use strict';
// This function removes extra spaces between tags in html. For example, the
// following html: "<p> Hello </p> <body> World </body>" would turn into this
// html: "<p> Hello </p> <body> World </body>"
// We remove the extra spaces because in html they are considered equivalent,
// but when we are comparing for equality the spaces make a difference.
function reformatHtml(html) {
const parser = new DOMParser();
const htmlString =
parser.parseFromString(html, 'text/html').documentElement.innerHTML;
const reformattedString = htmlString.replace(/\>\s*\</g, '> <');
return reformattedString;
// The string must be concatenated in this way because the html parser
// will recognize a script tag even in quotes as a real script tag. By
// splitting it up in this way we avoid that error.
const html_with_script =
'<title>Title of the document</title> <script>const a = 5;</scr'
+ 'ipt> <p>Hello World</p>';
const html_without_script =
'<title>Title of the document</title> <p>Hello World</p>';
promise_test(async t => {
await tryGrantReadPermission();
await tryGrantWritePermission();
const blobInput = new Blob([html_with_script], {type: 'text/html'});
const clipboardItem = new ClipboardItem({'text/html': blobInput});
await waitForUserActivation();
await navigator.clipboard.write([clipboardItem]);
await waitForUserActivation();
const clipboardItems = await;
const html = clipboardItems[0];
assert_equals(html.types.length, 1);
assert_equals(html.types[0], 'text/html');
const blobOutput = await html.getType('text/html');
assert_equals(blobOutput.type, 'text/html');
const blobText = await (new Response(blobOutput)).text();
const outputHtml = reformatHtml(blobText);
const inputHtml = reformatHtml(html_without_script);
assert_equals(outputHtml, inputHtml);
}, 'Verify write and read clipboard with scripts removed given text/html: '
+ html_with_script);