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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="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/components/wct-browser-legacy/browser.js"></script>

<dom-element id="some-element">
  <script type="module">
import '../../../test/common-test-setup.js';
import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
Polymer({
  is: 'some-element',

  properties: {
    fooBar: {
      type: Object,
      notify: true,
    },
  },
});
</script>

</dom-element>

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

<script type="module">
import '../../../test/common-test-setup.js';
import {addListener} from '@polymer/polymer/lib/utils/gestures.js';
import {GrEventHelper} from './gr-event-helper.js';

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();
    });
    MockInteractions.tap(element);
  });

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

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

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

  test('captureClick()', done => {
    instance.captureClick(() => {
      done();
    });
    MockInteractions.tap(element);
  });

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

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

  test('on()', done => {
    instance.on('foo', () => {
      done();
    });
    element.dispatchEvent(
        new CustomEvent('foo', {
          composed: true, bubbles: true,
        }));
  });
});
</script>