<!doctype html> <!– @license Copyright © 2016 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt The complete set of authors may be found at polymer.github.io/AUTHORS.txt The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as part of the polymer project is also subject to an additional IP rights grant found at polymer.github.io/PATENTS.txt –> <html>

<head>
  <title>iron-flex-layout-classes tests</title>

  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">

  <script src="../../webcomponentsjs/webcomponents.js"></script>
  <script src="../../web-component-tester/browser.js"></script>
  <link rel="import" href="../iron-flex-layout-classes.html">

  <style is="custom-style" include="iron-flex iron-flex-reverse iron-flex-factors iron-flex-alignment iron-positioning">
    body {
      margin: 0;
      padding: 0;
    }
    .container {
      width: 300px;
      min-height: 50px;
      background-color: #ccc;
    }
    .container > div {
      width: 50px;
      min-height: 50px; /* so that it can grow in vertical layouts. */
    }
    /* IE11 does not calculate flex proportions correctly in a vertical
     * layout if the children just have a min-height. For those tests,
     * use a fixed height instead. */
    .container > div.fixed-height {
      min-height: 0;
      height: 50px;
    }
    .container.relative > div {
      min-width: 50px;
      min-height: 50px;
      width: inherit;
    }
    .container.small { width: 120px; }
    .container.tall { height: 300px; }

    #c1 { background-color: #E91E63; }
    #c2 { background-color: #03A9F4; }
    #c3 { background-color: #CDDC39; }
    #c4 { background-color: #03A9F4; }
    #c5 { background-color: #E91E63; }
  </style>
</head>
<body>
  <test-fixture id="basic">
    <template>
      <div class="container layout">
        <div id="c1"></div>
        <div id="c2"></div>
        <div id="c3"></div>
      </div>
    </template>
  </test-fixture>

  <test-fixture id="flex">
    <template>
      <div class="container layout">
        <div id="c1" class="fixed-height"></div>
        <div id="c2" class="fixed-height"></div>
        <div id="c3" class="fixed-height"></div>
      </div>
    </template>
  </test-fixture>

  <test-fixture id="single-child">
    <template>
      <div class="container layout">
        <div id="c1"></div>
      </div>
    </template>
  </test-fixture>

  <test-fixture id="positioning">
    <template>
      <div class="container layout relative">
        <div id="c1"></div>
      </div>
    </template>
  </test-fixture>

  <test-fixture id="align-content">
    <template>
      <div class="container layout">
        <div id="c1"></div>
        <div id="c2"></div>
        <div id="c3"></div>
        <div id="c4"></div>
        <div id="c5"></div>
      </div>
    </template>
  </test-fixture>
  <script>
    function positionEquals(node, top, bottom, left, right) {
      var rect = node.getBoundingClientRect();
      return rect.top === top && rect.bottom === bottom && 
             rect.left === left && rect.right === right;
    }
    suite('basic layout', function() {
      var container;

      setup(function() {
        container = fixture('basic');
      });

      test('layout-horizontal', function() {
        container.classList.add('horizontal');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        // |c1| |c2| |c3|
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 100, 150), "child 3 position ok");
      });

      test('layout-horizontal-reverse', function() {
        container.classList.add('horizontal-reverse');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        //     |c3| |c2| |c1|
        assert.isTrue(positionEquals(c1, 0, 50, 250, 300), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 200, 250), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 150, 200), "child 3 position ok");
      });

      test('layout-vertical', function() {
        container.classList.add('vertical');
        assert.isTrue(positionEquals(container, 0, 150, 0, 300), "container position ok");
        // vertically, |c1| |c2| |c3|
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 50, 100, 0, 50), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 100, 150, 0, 50), "child 3 position ok");
      });

      test('layout-vertical-reverse', function() {
        container.classList.add('vertical-reverse');
        assert.isTrue(positionEquals(container, 0, 150, 0, 300), "container position ok");
        // vertically, |c3| |c2| |c1|
        assert.isTrue(positionEquals(c1, 100, 150, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 50, 100, 0, 50), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 0, 50), "child 3 position ok");
      });

      test('layout-wrap', function() {
        container.classList.add('horizontal');
        container.classList.add('wrap');
        container.classList.add('small');
        assert.isTrue(positionEquals(container, 0, 100, 0, 120), "container position ok");
        // |c1| |c2|
        // |c3|
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 50, 100, 0, 50), "child 3 position ok");
      });

      test('layout-wrap-reverse', function() {
        container.classList.add('horizontal-reverse');
        container.classList.add('wrap-reverse');
        container.style.width = '100px';
        assert.isTrue(positionEquals(container, 0, 100, 0, 100), "container position ok");
        //      |c3|
        // |c2| |c1|
        assert.isTrue(positionEquals(c1, 50, 100, 50, 100), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 50, 100, 0, 50), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 50, 100), "child 3 position ok");
      });
    });

    suite('flex', function() {
      var container;

      setup(function() {
        container = fixture('flex');
      });

      test('layout-flex child in a horizontal layout', function() {
        container.classList.add('horizontal');
        c2.classList.add('flex');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        // |c1| |    c2    | |c3|
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 50, 250), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 250, 300), "child 3 position ok");
      });

      test('layout-flex child in a vertical layout', function() {
        container.classList.add('vertical');
        container.classList.add('tall');
        c2.classList.add('flex');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        // vertically, |c1| |    c2    | |c3|
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 50, 250, 0, 50), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 250, 300, 0, 50), "child 3 position ok");
      });

      test('layout-flex, layout-flex-2, layout-flex-3 in a horizontal layout', function() {
        container.classList.add('horizontal');
        c1.classList.add('flex');
        c2.classList.add('flex-2');
        c3.classList.add('flex-3');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        // |c1| | c2 | |  c3  |
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 50, 150), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 150, 300), "child 3 position ok");
      });

      test('layout-flex, layout-flex-2, layout-flex-3 in a vertical layout', function() {
        container.classList.add('vertical');
        container.classList.add('tall');
        c1.classList.add('flex');
        c2.classList.add('flex-2');
        c3.classList.add('flex-3');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        // vertically, |c1| | c2 | |  c3  |
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 50, 150, 0, 50), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 150, 300, 0, 50), "child 3 position ok");
      });
    });

    suite('alignment', function() {
      var container;

      setup(function() {
        container = fixture('single-child');
        container.classList.add('horizontal');
      });

      test('stretch (default)', function() {
        container.classList.add('tall');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        assert.isTrue(positionEquals(c1, 0, 300, 0, 50), "child 1 position ok");
      });

      test('layout-center', function() {
        container.classList.add('center');
        container.classList.add('tall');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        var center = (300 - 50) / 2;
        assert.isTrue(positionEquals(c1, center, center + 50, 0, 50), "child 1 position ok");
      });

      test('layout-start', function() {
        container.classList.add('start');
        container.classList.add('tall');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
      });

      test('layout-end', function() {
        container.classList.add('end');
        container.classList.add('tall');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        assert.isTrue(positionEquals(c1, 250, 300, 0, 50), "child 1 position ok");
      });

      test('layout-start-justified', function() {
        container.classList.add('start-justified');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
      });

      test('layout-end-justified', function() {
        container.classList.add('end-justified');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        assert.isTrue(positionEquals(c1, 0, 50, 250, 300), "child 1 position ok");
      });

      test('layout-center-justified', function() {
        container.classList.add('center-justified');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        var center = (300 - 50) / 2;
        assert.isTrue(positionEquals(c1, 0, 50, center, center + 50), "child 1 position ok");
      });
    });

    suite('justification', function() {
      var container;

      setup(function() {
        container = fixture('flex');
        container.classList.add('horizontal');
      });

      test('layout-justified', function() {
        container.classList.add('justified');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        var center = (300 - 50) / 2;
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, center, center + 50), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 0, 50, 250, 300), "child 3 position ok");
      });

      test('layout-around-justified', function() {
        container.classList.add('around-justified');
        assert.isTrue(positionEquals(container, 0, 50, 0, 300), "container position ok");
        var spacing = (300 - 50 * 3) / 6;
        // Every child gets `spacing` on its left and right side.
        assert.isTrue(positionEquals(c1, 0, 50, spacing, spacing + 50), "child 1 position ok");
        var end = spacing + 50 + spacing;
        assert.isTrue(positionEquals(c2, 0, 50, end + spacing, end + spacing + 50), "child 2 position ok");
        end = end + spacing + 50 + spacing;
        assert.isTrue(positionEquals(c3, 0, 50, end + spacing, end + spacing + 50), "child 3 position ok");
      });
    });

    suite('align-content', function() {
      var container;

      setup(function() {
        container = fixture('align-content');
        container.classList.add('small');
        container.classList.add('tall');
        container.classList.add('horizontal');
        container.classList.add('flex');
        container.classList.add('wrap');
      });

      test('default is stretch', function() {
        assert.isTrue(positionEquals(container, 0, 300, 0, 120), "container position ok");
        assert.isTrue(positionEquals(c1, 0, 100, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 100, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 100, 200, 0, 50), "child 3 position ok");
        assert.isTrue(positionEquals(c4, 100, 200, 50, 100), "child 4 position ok");
        assert.isTrue(positionEquals(c5, 200, 300, 0, 50), "child 5 position ok");
      });

      test('layout-start-aligned', function() {
        container.classList.add('start-aligned');
        assert.isTrue(positionEquals(container, 0, 300, 0, 120), "container position ok");
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 50, 100, 0, 50), "child 3 position ok");
        assert.isTrue(positionEquals(c4, 50, 100, 50, 100), "child 4 position ok");
        assert.isTrue(positionEquals(c5, 100, 150, 0, 50), "child 5 position ok");
      });

      test('layout-end-aligned', function() {
        container.classList.add('end-aligned');
        assert.isTrue(positionEquals(container, 0, 300, 0, 120), "container position ok");
        assert.isTrue(positionEquals(c1, 150, 200, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 150, 200, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, 200, 250, 0, 50), "child 3 position ok");
        assert.isTrue(positionEquals(c4, 200, 250, 50, 100), "child 4 position ok");
        assert.isTrue(positionEquals(c5, 250, 300, 0, 50), "child 5 position ok");
      });

      test('layout-center-aligned', function() {
        container.classList.add('center-aligned');
        assert.isTrue(positionEquals(container, 0, 300, 0, 120), "container position ok");
        var center = (300 - 50) / 2;
        assert.isTrue(positionEquals(c1, center-50, center, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, center-50, center, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, center, center+50, 0, 50), "child 3 position ok");
        assert.isTrue(positionEquals(c4, center, center+50, 50, 100), "child 4 position ok");
        assert.isTrue(positionEquals(c5, center+50, center+100, 0, 50), "child 5 position ok");
      });

      test('layout-between-aligned', function() {
        container.classList.add('between-aligned');
        assert.isTrue(positionEquals(container, 0, 300, 0, 120), "container position ok");
        var center = (300 - 50) / 2;
        assert.isTrue(positionEquals(c1, 0, 50, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 0, 50, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, center, center+50, 0, 50), "child 3 position ok");
        assert.isTrue(positionEquals(c4, center, center+50, 50, 100), "child 4 position ok");
        assert.isTrue(positionEquals(c5, 250, 300, 0, 50), "child 5 position ok");
      });

      test('layout-around-aligned', function() {
        container.classList.add('around-aligned');
        assert.isTrue(positionEquals(container, 0, 300, 0, 120), "container position ok");
        var center = (300 - 50) / 2;
        assert.isTrue(positionEquals(c1, 25, 75, 0, 50), "child 1 position ok");
        assert.isTrue(positionEquals(c2, 25, 75, 50, 100), "child 2 position ok");
        assert.isTrue(positionEquals(c3, center, center+50, 0, 50), "child 3 position ok");
        assert.isTrue(positionEquals(c4, center, center+50, 50, 100), "child 4 position ok");
        assert.isTrue(positionEquals(c5, 225, 275, 0, 50), "child 5 position ok");
      });
    });

    suite('positioning', function() {
      var container;

      setup(function() {
        container = fixture('positioning');
        container.classList.add('tall');
      });

      test('layout-fit', function() {
        c1.classList.add('fit');
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "container position ok");
        assert.isTrue(positionEquals(container, 0, 300, 0, 300), "child 1 position ok");
      });
    });
  </script>
</body>

</html>