pointer-event-listener-count.html | Explore in Territory

<script src='../../resources/testharness.js'></script>
<script src='../../resources/testharnessreport.js'></script>

<body>
<script>

var listener = function() { };

(function() {
    test(function() {
        assert_equals(internals.pointerEventHandlerCount(document), 0);
        window.addEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        window.addEventListener('pointerout', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);
        window.addEventListener('pointerenter', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 3);
        window.addEventListener('pointerout', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 4);
        window.removeEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 3);
        window.removeEventListener('pointerout', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);

        // Try removing the capturing listener again.
        window.removeEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);
        window.removeEventListener('pointerout', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);

        window.removeEventListener('pointerenter', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        window.removeEventListener('pointerout', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 0);
    }, "Test addEventListener/removeEventListener on the window");

})();

(function() {
    test(function() {
        assert_equals(internals.pointerEventHandlerCount(document), 0);
        window.onpointerenter = function() { }
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        window.onpointerenter = function() { }
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        window.onpointerenter = null;
        assert_equals(internals.pointerEventHandlerCount(document), 0);
    }, "Setting onpointerenter on the window");

})();

(function() {
    test(function() {
        assert_equals(internals.pointerEventHandlerCount(document), 0);
        document.onpointerenter = function() { }
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        document.onpointerenter = function() { }
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        document.onpointerenter = null;
        assert_equals(internals.pointerEventHandlerCount(document), 0);
    }, "Setting onpointerenter on the document");

})();


(function() {
    test(function() {

        assert_equals(internals.pointerEventHandlerCount(document), 0);
        document.addEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        document.addEventListener('pointerout', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);
        document.addEventListener('pointerenter', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 3);
        document.addEventListener('pointerout', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 4);
        document.removeEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 3);
        document.removeEventListener('pointerout', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);

        // Try removing the capturing listener again.
        document.removeEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);
        document.removeEventListener('pointerout', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);

        document.removeEventListener('pointerenter', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        document.removeEventListener('pointerout', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 0);

    }, "Test addEventListener/removeEventListener on the document");

})();

(function() {
    test(function() {
        assert_equals(internals.pointerEventHandlerCount(document), 0);
        document.addEventListener('pointerenter', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 1);
        document.addEventListener('pointerover', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 2);
        document.addEventListener('pointerleave', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 3);
        document.addEventListener('pointerout', listener, false);
        assert_equals(internals.pointerEventHandlerCount(document), 4);
        document.addEventListener('pointermove', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 5);
        document.addEventListener('pointerrawupdate', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 6);
        document.addEventListener('pointerup', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 7);
        document.addEventListener('pointerdown', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 8);
        document.addEventListener('pointercancel', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 9);
        document.addEventListener('gotpointercapture', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 10);
        document.addEventListener('lostpointercapture', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 11);
        document.removeEventListener('pointerenter', listener, true);
        document.removeEventListener('pointerover', listener, true);
        document.removeEventListener('pointerleave', listener, false);
        document.removeEventListener('pointerout', listener, false);
        document.removeEventListener('pointermove', listener, true);
        document.removeEventListener('pointerrawupdate', listener, true);
        document.removeEventListener('pointerup', listener, true);
        document.removeEventListener('pointerdown', listener, true);
        document.removeEventListener('pointercancel', listener, true);
        document.removeEventListener('gotpointercapture', listener, true);
        document.removeEventListener('lostpointercapture', listener, true);
        assert_equals(internals.pointerEventHandlerCount(document), 0);
    }, "Test addEventListener for all possible pointer event");

})();

</script>
</body>
chromium/third_party/blink/web_tests/fast/events/pointer-event-listener-count.html
