1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/ambient-light/AmbientLightSensor_stop.html b/testing/web-platform/tests/ambient-light/AmbientLightSensor_stop.html
new file mode 100644
index 000000000..34cd3600b
--- /dev/null
+++ b/testing/web-platform/tests/ambient-light/AmbientLightSensor_stop.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>AmbientLightSensor Test: stop()</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>
+
+var sensor, stop_return;
+setup(function() {
+  sensor = new AmbientLightSensor();
+  sensor.start();
+  stop_return = sensor.stop();
+});
+
+test(function() {
+  assert_equals(String(sensor.reading), "null");
+}, "the sensor.reading is null after executing stop() method");
+
+test(function() {
+  assert_throws("InvalidStateError", function() { sensor.stop(); }, "stop() twice");
+}, "throw an InvalidStateError exception when state is either idle or errored");
+
+test(function() {
+  assert_equals(stop_return, undefined);
+}, "the sensor.stop() returns undefined");
+
+</script>