https://github.com/web-platform-tests/wpt
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Tip revision: 1553cb43af08443e2d04a01bd6925db002234174 authored by Ian Clelland on 28 September 2017, 19:28:02 UTC
Add Web Bluetooth as a policy-controlled feature
Tip revision: 1553cb4
battery-promise.https.html
<!DOCTYPE html>
<meta charset="utf-8">
<title>Battery Test: navigator.getBattery() always return same battery promise</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="help" href="https://www.w3.org/TR/battery-status/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
promise_test(function () {
  return navigator.getBattery().then(function (result) {
    assert_class_string(result, 'BatteryManager',
        'getBattery should return BatteryManager Object.');
  });
}, 'navigator.getBattery() shall return BatteryManager as a promise');

test(function () {
  assert_equals(navigator.getBattery(), navigator.getBattery());
}, 'navigator.getBattery() shall always return the same promise');
</script>
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