s202226701001/tailor-app/node_modules/hammerjs/tests/unit/test_propagation_bubble.js

var parent,
    child,
    hammerChild,
    hammerParent;

module('Propagation (Tap in Child and Parent)', {
    setup: function() {
        parent = document.createElement('div');
        child = document.createElement('div');

        document.getElementById('qunit-fixture').appendChild(parent);
        parent.appendChild(child);

        hammerParent = new Hammer.Manager(parent);
        hammerChild = new Hammer.Manager(child);

        hammerChild.add(new Hammer.Tap());
        hammerParent.add(new Hammer.Tap());
    },
    teardown: function() {
        hammerChild.destroy();
        hammerParent.destroy();
    }
});

test('Tap on the child, fires also the tap event to the parent', function() {
    expect(2);

    hammerChild.on('tap', function() {
        ok(true);
    });
    hammerParent.on('tap', function() {
        ok(true);
    });

    utils.dispatchTouchEvent(child, 'start', 0, 10);
    utils.dispatchTouchEvent(child, 'end', 0, 10);
});

test('When tap on the child and the child stops the input event propagation, the tap event does not get fired in the parent', function() {
    expect(1);

    hammerChild.on('tap', function() {
        ok(true);
    });
    hammerParent.on('tap', function() {
        throw new Error('parent tap gesture should not be recognized');
    });

    child.addEventListener('touchend', function(ev) {
        ev.stopPropagation();
    });

    utils.dispatchTouchEvent(child, 'start', 0, 10);
    utils.dispatchTouchEvent(child, 'end', 0, 10);
});