<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/test-only-api.js"></script>
<script src="resources/battery-status-helpers.js"></script>
</head>
<body>
<script>
battery_status_test(async (t, mockBatteryMonitor) => {
  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
  const battery = await navigator.getBattery();

  assert_not_equals(battery, undefined);
  assert_equals(typeof battery.charging, 'boolean');
  assert_equals(typeof battery.chargingTime, 'number');
  assert_equals(typeof battery.dischargingTime, 'number');
  assert_equals(typeof battery.level, 'number');

  mockBatteryMonitor.verifyBatteryStatus(battery);

  assert_equals(typeof battery.onchargingchange, 'object');
  assert_equals(typeof battery.onchargingtimechange, 'object');
  assert_equals(typeof battery.ondischargingtimechange, 'object');
  assert_equals(typeof battery.onlevelchange, 'object');
}, 'verify basic getBattery API support');
</script>
</body>
</html>