cobalt/black_box_tests/testdata/timer_hit_after_preload.html

<!DOCTYPE html>

<head>
  <title>timer callback after preload mode test</title>
  <style>
    h1 {
      color: #c50000;
    }
  </style>
  <script src='black_box_js_test_utils.js'></script>
</head>

<body>
  <h1>
    <span>To test timer behavior after preload and continue</span>
  </h1>
  <script>

    let setIntervalCalledTimes = 0;
    let setTimeoutCalledTimes = 0;

    function IsTestComplete() {
      return setTimeoutCalledTimes > 0 && setIntervalCalledTimes > 0;
    }

    let set_interval_id = setInterval(() => {
      setIntervalCalledTimes ++;
      if (IsTestComplete()) {
        onEndTest();
      }
    }, 1100);

    setTimeout(() => {
      setTimeoutCalledTimes ++;
      if (IsTestComplete()) {
        onEndTest();
      }
    }, 2250);

    let NewElement = document.createElement('div');
    NewElement.setAttribute('id', 'script_executed');
    document.appendChild(NewElement);
  </script>
</body>