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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-event-helper</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-event-helper.html"/>

<script>void(0);</script>

<dom-element id="some-element">
  <script>
    Polymer({
      is: 'some-element',
      _legacyUndefinedCheck: true,
      properties: {
        fooBar: {
          type: Object,
          notify: true,
        },
      },
    });
  </script>
</dom-element>

<test-fixture id="basic">
  <template>
    <some-element></some-element>
  </template>
</test-fixture>

<script>
  suite('gr-event-helper tests', () => {
    let element;
    let instance;
    let sandbox;

    setup(() => {
      sandbox = sinon.sandbox.create();
      element = fixture('basic');
      instance = new GrEventHelper(element);
    });

    teardown(() => {
      sandbox.restore();
    });

    test('onTap()', done => {
      instance.onTap(() => {
        done();
      });
      element.fire('tap');
    });

    test('onTap() cancel', () => {
      const tapStub = sandbox.stub();
      element.parentElement.addEventListener('tap', tapStub);
      instance.onTap(() => false);
      element.fire('tap');
      flushAsynchronousOperations();
      assert.isFalse(tapStub.called);
    });

    test('captureTap()', done => {
      instance.captureTap(() => {
        done();
      });
      element.fire('tap');
    });

    test('captureTap() cancels tap()', () => {
      const tapStub = sandbox.stub();
      element.addEventListener('tap', tapStub);
      instance.captureTap(() => false);
      element.fire('tap');
      flushAsynchronousOperations();
      assert.isFalse(tapStub.called);
    });

    test('on()', done => {
      instance.on('foo', () => {
        done();
      });
      element.fire('foo');
    });
  });
</script>