dom/battery/test/test_battery_discharging.html
author Wei-Cheng Pan <wpan@mozilla.com>
Thu, 20 Aug 2015 15:39:47 +0800
changeset 291368 c6f579ae99a69318270ecb3f18dd3b9dcdeb594c
child 362861 6069dc9afe31c75b809df062af362df76faf25cc
permissions -rw-r--r--
Bug 1050749 - Expose BatteryManager via getBattery() returning a Promise r=bz,baku

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for Battery API</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">

SimpleTest.waitForExplicitFinish();

/** Test for Battery API **/
navigator.getBattery().then(function (battery) {
  ok(battery.level >= 0.0 && battery.level <= 1.0, "Battery level " + battery.level + " should be in the range [0.0, 1.0]");

  SpecialPowers.pushPrefEnv({"set": [["dom.battery.test.discharging", true]]}, function () {
    is(battery.charging, false, "Battery should be discharging");
    is(battery.chargingTime, Infinity, "Battery chargingTime should be Infinity when discharging");
    ok(battery.dischargingTime > 0, "Battery dischargingTime " + battery.dischargingTime + " should be positive when discharging");

    SimpleTest.finish();
  });
});

</script>
</pre>
</body>
</html>