chromium/third_party/blink/web_tests/external/wpt/html/browsers/browsing-the-web/navigating-across-documents/012.html

<!doctype html>
<title>Link with onclick navigation to javascript url with delayed document.write and href navigation </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<iframe id="test" name="test"></iframe>
<!-- XXX: What is this test trying to do?  It's navigating the subframe, but
     doing a write() to _this_ document, and the "javascript:" in there is
     completely a red herring: it's a label, not a protocol.  There is no
     javascript url involved here, unlike what the title claims! -->
<a target="test" onclick="javascript:(function() {var x = new XMLHttpRequest(); x.open('GET', 'blank.html?pipe=trickle(d2)', false); x.send(); document.write('write<script>parent.postMessage(&quot;write&quot;, &quot;*&quot;)</script>'); return '<script>parent.postMessage(&quot;click&quot;, &quot;*&quot;)</script>'})()" href="href.html">Test</a>
<script>
var t = async_test();
t.step(function() {document.getElementsByTagName("a")[0].click()});
onmessage = t.step_func(
  function(e) {
    assert_equals(e.data, "href");
    t.done();
  });
</script>