chromium/third_party/blink/web_tests/external/wpt/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/document.open-03.html

<!DOCTYPE html>
<title>document.open and no singleton replacement</title>
<link rel="author" title="Ms2ger" href="mailto:[email protected]">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-document-open">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
var t = async_test();
function report(actual, expected, message) {
  t.step(function() {
    assert_equals(actual, expected, message);
  });
}
function done() {
  t.done();
}
</script>
<iframe src=document.open-03-frame.html></iframe>