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https://github.com/servo/servo
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40 lines
1.2 KiB
HTML
40 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>AmbientLightSensor Test: onstatechange</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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<div id="log"></div>
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<script>
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var sensor;
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setup(function() {
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sensor = new AmbientLightSensor();
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});
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test(function() {
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assert_equals(sensor.state, "idle");
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}, "The default sensor.state is 'idle'.");
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async_test(function(t) {
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sensor.onstatechange = t.step_func_done(function(event) {
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assert_equals(sensor.state, "activating");
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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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sensor.start();
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}, "The sensor.state changes to 'activating' after sensor.start().");
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async_test(function(t) {
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sensor.onstatechange = t.step_func_done(function(event) {
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assert_equals(sensor.state, "idle");
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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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sensor.stop();
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}, "The sensor.state changes to 'idle' after sensor.stop().");
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</script>
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