<!doctype html>
<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://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 http://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>