<!DOCTYPE html>
<script src="../../../resources/js-test-pre.js"></script>
<script src="../resources/subpixel-utils.js"></script>
<style>
#container {
    width: 300px;
    font: 20px/1 Ahem;
    color: green;
}

#float {
    float: left;
    width: 100px;
    height: 100px;
    border-radius: 100px 0px;
    background-color: blue;
    background-clip: border-box;
    -webkit-shape-outside: border-box;
}
</style>
<body>
    <p>The green squares should follow the right side of the blue shape. They should not overlap the shape.</p>
    <div id="container">
        <div id="float"></div>
        <span id="a">X</span><br>
        <span id="b">X</span><br>
        <span id="c">X</span><br>
        <span id="d">X</span><br>
        <span id="e">X</span><br>
        <span id="f">X</span>
    </div>
    <div id="console"></div>
</body>
<script>
function elementRect(elementId) 
{
    var s = document.getElementById("container").getBoundingClientRect();
    var r = document.getElementById(elementId).getBoundingClientRect();
    return {right: (r.left - s.left) + r.width, top: r.top - s.top, width: r.width, height: r.height};
}

function borderXIntercept(y) 
{
    var radiusSquared = 100 * 100;
    var f = SubPixelLayout.snapToLayoutUnit(Math.sqrt(radiusSquared - y * y));
    return f + 20;  // will be compared with the right edge of a 20x20 Ahem char cell
}

var quiet = true; // PASS output depends on SubPixelLayout.isEnabled()

shouldBe("elementRect('a').top", "0");
shouldBe("elementRect('a').right", "120");

shouldBe("elementRect('b').top", "20");
shouldBeCloseTo("elementRect('b').right", borderXIntercept(20), 1, quiet);

shouldBe("elementRect('c').top", "40");
shouldBeCloseTo("elementRect('c').right", borderXIntercept(40), 1, quiet);

shouldBe("elementRect('d').top", "60");
shouldBeCloseTo("elementRect('d').right", borderXIntercept(60), 1, quiet);

shouldBe("elementRect('e').top", "80");
shouldBeCloseTo("elementRect('e').right", borderXIntercept(80), 1, quiet);

shouldBe("elementRect('f').top", "100");
shouldBe("elementRect('f').right", "20");
</script>