background-transitions.html | Explore in Territory

<!DOCTYPE>

<html>
<head>
  <style>
    .box {
      height: 100px;
      width: 100px;
      margin: 10px;
      -webkit-transition-duration: 1s;
      -webkit-transition-timing-function: linear;
    }
    
    #box {
      background: url('../fast/backgrounds/repeat/resources/gradient.gif') repeat 0 0;
      -webkit-transition-property: background-position;
    }
    
    #box.final {
      background-position: 20px 20px;
    }

    #box2 {
      background: url('../fast/backgrounds/repeat/resources/gradient.gif') repeat 0 0;
      -webkit-transition-property: -webkit-background-size;
      -webkit-background-size: 10px 10px;
    }
    
    #box2.final {
      -webkit-background-size: 30px 30px;
    }
    
  </style>
  <script src="../animations/resources/animation-test-helpers.js" type="text/javascript"></script>
  <script>

    const expectedValues = [
      // [time, element-id, property, expected-value, tolerance]
      [0.5, 'box', 'background-position', [10, 10], 2],
      [0.5, 'box2', '-webkit-background-size', [20, 20], 2],
    ];
  
    function setupTest()
    {
      document.getElementById('box').className = 'box final';
      document.getElementById('box2').className = 'box final';
    }
  
    runTransitionTest(expectedValues, setupTest);
  </script>
</head>
<body>

  <div id="box" class="box"></div>
  <div id="box2" class="box"></div>

  <div id="result">
  </div>

</body>
</html>
chromium/third_party/blink/web_tests/transitions/background-transitions.html
