multiple-promises.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /battery-status/multiple-promises.https.html - WPT Dashboard Interop Dashboard

<!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) => {

  const promise1 = navigator.getBattery();

  const promise2 = navigator.getBattery();

  assert_equals(promise1, promise2);

  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);

  mockBatteryMonitor.verifyBatteryStatus(await promise1);

  mockBatteryMonitor.verifyBatteryStatus(await promise2);

}, 'multiple parallel invocations of navigator.getBattery()');

</script>

</body>

</html>