chromium/third_party/blink/web_tests/fast/frames/frame-js-url-clientWidth.html

<script>
if (window.testRunner)
    testRunner.dumpAsText();
    
function log(s)
{
    if (window.testRunner)
        alert(s);
    else
        logger.document.write('<p>' + s + '</p>');
}

function shouldBe(a, b)
{
    var evalA;
    try {
        evalA = eval(a)
    } catch (e) {
        evalA = 'Caught exception: ' + e;
    }
    
    if (evalA == b)
        log('PASS: ' + a + ' should be ' + b + ' and is.\n');
    else
        log('FAIL: ' + a + ' should be ' + b + ' but instead is ' + evalA + '.\n');
}
</script>
<frameset rows="250, *">
<frameset cols="*, 250">
<frame name="logger">
<frame
    name="frame"
    src="javascript:
        top.log('This page tests whether an iframe correctly reports renderer-dependent values ' +
                'when executing a javascript: load. If the test passes, you\'ll see a series of ' +
                '\'PASS\' messages below.\n'
                );
        top.shouldBe('frame.frameElement.getBoundingClientRect().width', 250);
        top.shouldBe('frame.frameElement.clientWidth', 250);
        top.shouldBe('frame.frameElement.getBoundingClientRect().height', 250);
        top.shouldBe('frame.frameElement.clientHeight', 250);
    "
>
</frameset>
</frameset>