<!DOCTYPE html>
<!--
 | This test ensures that custom properties added to a platform object
 | persist through garbage collection.
-->
<html>
<head>
  <title>platform-object-user-properties-survive-gc</title>
  <style>
    #result {
      width: 100px;
      height:100px;
      background-color:#0047AB;
    }
  </style>
</head>
<body>

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

<script>
  (function() {
    function expect(condition) {
      if (!condition) {
        document.querySelector('#result').style.display = 'none';
        console.error('!condition block reached in |expect|');
      }
    }

    if (window.testRunner) {
      window.testRunner.waitUntilDone();
    }

    window.myCustomProperty = 12345;
    document.myCustomProperty = 12345;
    document.body.myCustomProperty = 12345;

    if (window.testRunner) {
      window.testRunner.collectGarbageAndThenDo(function() {
        expect(window.myCustomProperty === 12345);
        expect(document.myCustomProperty === 12345);
        expect(document.body.myCustomProperty === 12345);

        if (window.testRunner) {
          window.testRunner.notifyDone();
        }
      });
    }
  })();
</script>

</body>
</html>