<!DOCTYPE html>
<html>
<head>
<!-- we have to allowlist the actual script that spawns the tests,
hence the nonce.-->
<meta http-equiv="Content-Security-Policy" content="default-src 'none';
script-src 'nonce-foo'; style-src 'nonce-foo'">
<script nonce="foo" src="/tests/SimpleTest/SimpleTest.js">
</script>
<link nonce="foo" rel="stylesheet" type="text/css"
href="/tests/SimpleTest/test.css"/>
<!-- this script block with window.open and document.open will not
be executed, since default-src is none -->
<script>
let win = window.open('file_default_src_none_csp.html');
document.open();
document.write("