<!DOCTYPE html>
<meta charset="utf-8">
<title>Battery Test: battery neither empty or full, charger unplugged in</title>
<meta name="flags" content="interact">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<h2>Description</h2>
<p>
This test validates that all of the BatteryManager attributes exist and are set to their correct values when battery is discharging.
</p>
<h2>Preconditions</h2>
<ol>
<li>
The device is unplugged from the charger before this test is run.
</li>
<li>
The battery must neither be empty or full, nor reach empty or full capacity during the test.
</li>
<li>
Waiting for battery level change to fire levelchange event, maybe need a long time
</li>
</ol>
<script>
setup({ explicit_timeout: true });
async_test(function (t) {
navigator.getBattery().then(function (battery) {
t.step(function () {
assert_false(battery.charging, 'charging must be set to false');
assert_equals(battery.chargingTime, Infinity, 'chargingTime must be set to Infinity');
assert_greater_than(battery.level, 0, 'level must be greater than 0');
assert_less_than_equal(battery.level, 1.0, 'level must be less than or equal to 1.0');
var battery_level = battery.level;
battery.onlevelchange = t.step_func(function () {
assert_less_than(battery.level, battery_level, 'The value of the level attribute must decrease');
t.done();
});
});
}, function (error) {
t.step(function () {
assert_unreached(error.message);
});
t.done();
});
}, document.title);
</script>