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<!doctype html>
<html>
    <head>
        <title>touch-action: pan-left</title>
        <meta name="assert" content="TA15.3 - With `touch-action: pan-left` on a swiped or click/dragged element, only panning on the x-axis left direction should be possible.">
        <meta name="viewport" content="width=device-width">
        <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="pointerevent_support.js"></script>
        <style>
            #target0 {
            width: 700px;
            height: 430px;
            touch-action: pan-left;
            }
        </style>
    </head>
    <body onload="run()">
        <h1>Pointer Events touch-action attribute support</h1>
        <h4 id="desc">Test Description: Try to scroll element DOWN (drag up), then RIGHT (drag left), then LEFT (drag right). Tap Complete button under the rectangle when done. Expected: only pans in left direction.</h4>
        <p>Note: this test is for touch-devices only</p>
        <div id="target0">
            <p>
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                Ut wisis enim ad minim veniam, quis nostrud exerci tution ullamcorper suscipit
                lobortis nisl ut aliquip ex ea commodo consequat.
            </p>
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                lobortis nisl ut aliquip ex ea commodo consequat.
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                nonummy nibh euismod tincidunt ut lacreet dolore magna aliguam erat volutpat.
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                lobortis nisl ut aliquip ex ea commodo consequat.
            </p>
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        </div>
        <input type="button" id="btnComplete" value="Complete test">
        <script type='text/javascript'>
            var detected_pointertypes = {};
            var test_touchaction = async_test("touch-action attribute test");
            add_completion_callback(showPointerTypes);

            function run() {
                var target0 = document.getElementById("target0");
                var btnComplete = document.getElementById("btnComplete");
                target0.scrollLeft = 200;

                var scrollListenerExecuted = false;
                target0.addEventListener("scroll", function(event) {
                    scrollListenerExecuted = true;
                    assert_less_than_equal(target0.scrollLeft, 200);
                });

                // Check if "touch-action: pan-left" attribute works properly
                //TA: 15.3
                on_event(btnComplete, 'click', function(event) {
                    detected_pointertypes[event.pointerType] = true;
                    test_touchaction.step(function() {
                        assert_true(scrollListenerExecuted, "scroll listener should have been executed by the end of the test");
                        assert_less_than(target0.scrollLeft, 200, "scroll x offset should be less than 200 in the end of the test");
                        assert_equals(target0.scrollTop, 0, "scroll y offset should be 0 in the end of the test");
                    });
                    test_touchaction.done();
                    updateDescriptionComplete();
                });
            }
        </script>
        <h1>touch-action: pan-left</h1>
        <div id="complete-notice">
            <p>The following pointer types were detected: <span id="pointertype-log"></span>.</p>
        </div>
        <div id="log"></div>
    </body>
</html>