chromium/third_party/blink/web_tests/fast/overflow/float-in-relpositioned.html

<style>
    .overflow {
        width: 100px;
        height: 100px;
        overflow: auto;
        border: 1px solid black;
        margin: 10px;
    }

    .rel {
        width: 25px;
        height: 25px;
        background-color: black;
        position: relative;
    }

    .rel div {
        width: 75px;
        height: 75px;
        background-color: rgba(0, 0, 255, 0.5);
    }

    .float { float: left; }

    .abs { position: absolute; }
</style>

<p>
    Test for <i><a href="rdar://problem/6059648">rdar://problem/6059648</a>
    Some content not visible when the window is short at courtneyalbright.com</i>.
</p>
<p>
    Each black box below should have a scroll bar allowing the blue square to
    be scrolled fully into view.
</p>

<div class="overflow">
    <div class="rel" style="left: 50px;">
        <div class="float"></div>
    </div>
</div>

<div class="overflow">
    <div class="rel" style="top: 50px;">
        <div class="float"></div>
    </div>
</div>

<div class="overflow">
    <div class="rel" style="left: 50px;">
        <div class="abs"></div>
    </div>
</div>

<div class="overflow">
    <div class="rel" style="top: 50px;">
        <div class="abs"></div>
    </div>
</div>