<!DOCTYPE html>

<html>
<head>
  <style>
    .box {
        position: relative;
        height: 100px;
        width: 100px;
        margin: 10px;
        background-color: gray;
        background-image: url('../fast/backgrounds/repeat/resources/gradient.gif');
        transition: background-size 2s linear;
    }
    
    #test1 {
        background-size: 10px 10px;
    }
    
    body.final #test1 {
        background-size: 100px 10px;
    }

    #test2 {
        background-size: auto 10px;
    }
    
    body.final #test2 {
        background-size: 10px auto;
    }

    #test3 {
        background-size: auto auto;
    }
    
    body.final #test3 {
        background-size: 10px 10px;
    }
  </style>
  <script src="resources/transition-test-helpers.js"></script>
  <script type="text/javascript">

    const expectedValues = [
      // [time, element-id, property, expected-value, tolerance]
      [1, 'test1', 'background-size', [55, 10], 2],
      [1, 'test2', 'background-size', [10], 2],
      [1, 'test3', 'background-size', [10,10], 2],
    ];
  
    function setupTest()
    {
        document.body.classList.add('final');
    }
    
    runTransitionTest(expectedValues, setupTest, usePauseAPI);
  </script>
</head>
<body>
  <div id="test1" class="box"></div>
  <div id="test2" class="box"></div>
  <div id="test3" class="box"></div>

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