third_party/WebKit/LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html

<script src="../../../resources/js-test.js"></script>
<style>
    #pusher {
        width: 1000px;
        height: 1000px;
        outline: 1px solid black;
    }
</style>
<div id="console"></div>
<div id="testArea">
    <div id="pusher">This box is here to create scrollbars.</div>
</div>
<script>
    var event;
    var floatPrecision = 0.00001;

    function sendTouchStart(x, y)
    {
        if (window.eventSender) {
            eventSender.clearTouchPoints();
            eventSender.addTouchPoint(x, y);
            eventSender.touchStart();
        }
    }

    function zoomPageIn()
    {
        if (window.eventSender) {
            eventSender.zoomPageIn();
        }
    }

    function zoomPageOut()
    {
        if (window.eventSender) {
            eventSender.zoomPageOut();
        }
    }

    function scrollPage(x, y)
    {
        window.scrollTo(x, y);
    }

    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }

    // Default.
    function base(e)
    {
        event = e;
        debug("Base");
        shouldBe("event.touches[0].clientX", "100");
        shouldBe("event.touches[0].clientY", "100");
        shouldBe("event.touches[0].pageX", "100");
        shouldBe("event.touches[0].pageY", "100");
    }

    window.addEventListener("touchstart", base, false);
    
    sendTouchStart(100, 100);
    window.removeEventListener("touchstart", base, false);
    
    // Just zoomed.
    function justZoomed(e)
    {
        event = e;
        debug("\nJust zoomed");
        shouldBeCloseTo("event.touches[0].clientX", 83.33333, floatPrecision);
        shouldBeCloseTo("event.touches[0].clientY", 83.33333, floatPrecision);
        shouldBeCloseTo("event.touches[0].pageX", 83.33333, floatPrecision);
        shouldBeCloseTo("event.touches[0].pageY", 83.33333, floatPrecision);
    }
    window.addEventListener("touchstart", justZoomed, false);
    zoomPageIn();
    sendTouchStart(100, 100);
    zoomPageOut();
    window.removeEventListener("touchstart", justZoomed, false);

    // Just scrolled.
    function justScrolled(e)
    {
        event = e;
        debug("\nJust scrolled");
        shouldBe("event.touches[0].clientX", "100");
        shouldBe("event.touches[0].clientY", "100");
        shouldBe("event.touches[0].pageX", "150");
        shouldBe("event.touches[0].pageY", "150");
    }
    window.addEventListener("touchstart", justScrolled, false);
    scrollPage(50, 50);
    sendTouchStart(100, 100);
    scrollPage(0, 0);
    window.removeEventListener("touchstart", justScrolled, false);

    // Zoomed and scrolled.
    function zoomedAndScrolled(e)
    {
        event = e;
        debug("\nZoomed and scrolled");
        shouldBeCloseTo("event.touches[0].clientX", 83.33333, floatPrecision);
        shouldBeCloseTo("event.touches[0].clientY", 83.33333, floatPrecision);
        shouldBeCloseTo("event.touches[0].pageX", 133.33333, floatPrecision);
        shouldBeCloseTo("event.touches[0].pageY", 133.33333, floatPrecision);
    }
    window.addEventListener("touchstart", zoomedAndScrolled, false);
    zoomPageIn();
    scrollPage(50, 50);
    sendTouchStart(100, 100);
    zoomPageOut();
    scrollPage(0, 0);
    window.removeEventListener("touchstart", zoomedAndScrolled, false);

    if (window.eventSender) {
        eventSender.touchEnd();
        eventSender.clearTouchPoints();
    }
    
    if (window.testRunner) {
        var area = document.getElementById('testArea');
        area.parentNode.removeChild(area);
        isSuccessfullyParsed();
        testRunner.notifyDone();
    }
</script>