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chromium/third_party/blink/web_tests/external/wpt/html/rendering/non-replaced-elements/the-frameset-and-frame-elements/large-rows-relsize.html 

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#frames-and-framesets">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1116832">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1353277">
<script>
window.onload = () => {
  test(() => {
    const frameSet = document.querySelector('frameset');
    const frames = document.querySelectorAll('frame');
    assert_less_than(frames[0].offsetHeight, frameSet.offsetHeight);
    assert_greater_than(frames[0].offsetHeight, frames[1].offsetHeight);
    assert_greater_than_equal(frames[1].offsetHeight, 0);
  }, 'A large relative value should not produce weird sizes.');
};
</script>
<frameset rows="4294967227*,*" frameborder="0">
  <frame src="resources/green.html">
  <frame src="resources/red.html">
</frameset>