<!doctype html>
<title>Cross-Origin-Opener-Policy: about:blank</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
async_test(t => {
  const popup = window.open("resources/coop-coep.py?coop=same-origin&coep=&navigate=about:blank");
  assert_equals(window, popup.opener);
  t.step_timeout(() => {
    assert_equals(popup.location.href, "about:blank");
    popup.close();
    t.done();
  }, 500);
}, "Navigating a popup to about:blank");
</script>