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

<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.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-change-star.html">

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

<test-fixture id="basic">
  <template>
    <gr-change-star></gr-change-star>
  </template>
</test-fixture>

<script>
  suite('gr-change-star tests', () => {
    let element;

    setup(() => {
      element = fixture('basic');
      element.change = {
        _number: 2,
        starred: true,
      };
    });

    test('star visibility states', () => {
      element.set('change.starred', true);
      let icon = element.$$('iron-icon');
      assert.isTrue(icon.classList.contains('active'));
      assert.equal(icon.icon, 'gr-icons:star');

      element.set('change.starred', false);
      icon = element.$$('iron-icon');
      assert.isFalse(icon.classList.contains('active'));
      assert.equal(icon.icon, 'gr-icons:star-border');
    });

    test('starring', done => {
      element.addEventListener('toggle-star', () => {
        assert.equal(element.change.starred, true);
        done();
      });
      element.set('change.starred', false);
      MockInteractions.tap(element.$$('button'));
    });

    test('unstarring', done => {
      element.addEventListener('toggle-star', () => {
        assert.equal(element.change.starred, false);
        done();
      });
      element.set('change.starred', true);
      MockInteractions.tap(element.$$('button'));
    });
  });
</script>