| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>AmbientLightSensor Test: onchange</title> |
| <link rel="author" title="Intel" href="http://www.intel.com"> |
| <link rel="help" href="https://www.w3.org/TR/ambient-light/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| |
| async_test(t => { |
| let sensor = new AmbientLightSensor(); |
| sensor.start(); |
| |
| sensor.onchange = t.step_func_done(() => { |
| assert_greater_than_equal(sensor.reading.illuminance, 0); |
| assert_equals(sensor.state, "activated"); |
| sensor.stop(); |
| }); |
| |
| sensor.onerror = t.step_func_done(event => { |
| assert_unreached(event.error.name + ":" + event.error.message); |
| }); |
| }, "event change fired"); |
| |
| </script> |
