<!DOCTYPE html>
<html>
    <head>
        <style>
            #outer-container {
                width: 300px;
                height: 300px;
                overflow-y: hidden;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
            }
            #inner-container {
                width: 1800px;
                height: 300px;
            }
            .snap-child {
                height: 300px;
                float: left;
                min-width: 200px;
                scroll-snap-align: start;
                border: 1px solid black;
                box-sizing: border-box;
            }
        </style>
        <script src="../../resources/js-test.js"></script>
        <script>
            function runTest()
            {
                var container = document.getElementById("outer-container");
                debug("Scroll-snap offsets: " + window.internals.scrollSnapOffsets(container));

                finishJSTest();
            }

            function onLoad()
            {
                jsTestIsAsync = true;
                if (window.testRunner)
                    setTimeout(runTest, 0);
            }
        </script>
    </head>
    <body onload=onLoad()>
        <div style="position: relative; height: 500px; width: 500px">
            <div id="outer-container">
                <div id="inner-container">
                    <div id="item0" class="snap-child"></div>
                    <div id="item1" class="snap-child"></div>
                    <div id="item2" class="snap-child"></div>
                    <div id="item3" class="snap-child"></div>
                    <div id="item4" class="snap-child"></div>
                    <div id="item5" class="snap-child"></div>
                </div>
            </div>
        </div>
    </body>
</html>