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<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width; initial-scale=1.0">
  <title>Test pointercancel doesn't get sent for horizontal panning on a pan-y element</title>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <script type="application/javascript" src="apz_test_utils.js"></script>
  <script type="application/javascript" src="apz_test_native_event_utils.js"></script>
  <script type="application/javascript">
    var pointerMoveCount = 0;
    var lastPointerCoord = -1;
    var apzFlushed = false;
    var endEventReceived = false;
    var testEndResolveFunc = null;
    var testEndPromise = new Promise(resolve => {
      testEndResolveFunc = resolve;
    });
    function checkForTestEnd() {
        if (apzFlushed && endEventReceived) {
            var target = document.getElementById("carousel");
            target.removeEventListener("pointermove", moveListener);
            ok(pointerMoveCount > 0, "Got " + pointerMoveCount + " pointermove events");
            is(document.scrollingElement.scrollTop, 0, "Document didn't y-scroll");
            is(document.scrollingElement.scrollLeft, 0, "Document didn't x-scroll");
            testEndResolveFunc();
        }
    }
    function moveListener(event) {
        ok(event.clientX >= lastPointerCoord, "Got nondecreasing pointermove to " + event.clientX + "," + event.clientY);
        lastPointerCoord = event.clientX;
        pointerMoveCount++;
    }
    async function test() {
        var target = document.getElementById("carousel");
        target.addEventListener("pointercancel", () => {
            ok(false, "Received pointercancel, uh-oh!");
            endEventReceived = true;
            setTimeout(checkForTestEnd, 0);
        }, {once: true});
        target.addEventListener("pointerup", () => {
            ok(true, "Received pointerup");
            endEventReceived = true;
            setTimeout(checkForTestEnd, 0);
        }, {once: true});
        target.addEventListener("pointermove", moveListener);
        // Drag mostly horizontally but also slightly vertically. If the
        // touch-action were not respected due to a bug this might result
        // in vertical scrolling instead of pointermove events.
        await new Promise(resolve => {
            synthesizeNativeTouchDrag(target, 10, 10, 200, -10, resolve);
        });
        await promiseOnlyApzControllerFlushed();
        apzFlushed = true;
        setTimeout(checkForTestEnd, 0);
        await testEndPromise;
    }
    waitUntilApzStable().then(test).then(subtestDone, subtestFailed);
  </script>
</head>
<body>
  <div id="carousel" style="height: 50px; touch-action: pan-y; background-color: blue"></div>
  <div id="spacer" style="height: 2000px"></div>
</body>
</html>