chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/order_value.html

<!DOCTYPE html>
<html>
  <head>
    <title>CSS Flexible Box Test: order_check</title>
    <link rel="author" title="Intel" href="http://www.intel.com" />
    <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#order-property" />
    <link rel="stylesheet" href="support/test-style.css">
    <meta name="assert" content="Check if the web engine can indentify order property." />
    <style>
      #test{
	height: 200px;
 	width: 200px;
        display: flex;
      }
      div#test02{
	order: -1;
      }
    </style>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <div id=log></div>
    <div id=test><div id=test01>1</div><div id=test02>2</div><div id=test03>3</div></div>
    <script type="text/javascript">
        var t = async_test();
        t.step(function () {
            assert_equals(document.getElementById("test01").offsetTop, document.getElementById("test02").offsetTop, "Rectangle 1 and 2 have the same offsetTop value");
            assert_equals((document.getElementById("test02").offsetLeft >= document.getElementById("test01").offsetLeft), false, "Rectangle 2 have a smaller offsetLeft value than 1.");
        });
        t.done();
    </script>
  </body>
</html>