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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>dom-util-behavior</title>

<script src="../../bower_components/webcomponentsjs/webcomponents.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="dom-util-behavior.html">

<test-fixture id="nested-structure">
  <template>
    <test-element></test-element>
    <div>
      <div class="a">
        <div class="b">
          <div class="c"></div>
        </div>
      </div>
    </div>
  </template>
</test-fixture>

<script>
  suite('dom-util-behavior tests', () => {
    let element;
    let divs;

    suiteSetup(() => {
      // Define a Polymer element that uses this behavior.
      Polymer({
        is: 'test-element',
        _legacyUndefinedCheck: true,
        behaviors: [Gerrit.DomUtilBehavior],
      });
    });

    setup(() => {
      const testDom = fixture('nested-structure');
      element = testDom[0];
      divs = testDom[1];
    });

    test('descendedFromClass', () => {
      // .c is a child of .a and not vice versa.
      assert.isTrue(element.descendedFromClass(divs.querySelector('.c'), 'a'));
      assert.isFalse(element.descendedFromClass(divs.querySelector('.a'), 'c'));

      // Stops at stop element.
      assert.isFalse(element.descendedFromClass(divs.querySelector('.c'), 'a',
          divs.querySelector('.b')));
    });
  });
</script>