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37 lines
918 B
HTML
37 lines
918 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>AmbientLightSensor Test: onchange</title>
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<link rel="author" title="Intel" href="http://www.intel.com">
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<link rel="help" href="https://www.w3.org/TR/ambient-light/">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<h2>Description</h2>
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<p>
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This test validates that the "onchange" event can be invoked when changing the ambient light illuminance of the device.
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</p>
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<h2>Precondition</h2>
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<ol>
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<li>
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Change the ambient light illuminance of the device.
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</li>
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</ol>
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<script>
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async_test(function(t) {
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let sensor = new AmbientLightSensor();
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sensor.start();
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sensor.onchange = t.step_func_done(function(event) {
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sensor.stop();
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});
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sensor.onerror = t.step_func_done(function(event) {
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assert_unreached(event.error.name + ":" + event.error.message);
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});
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}, "event change fired");
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</script>
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