Simple event tests for the Bluetooth API.

chrome/test/data/extensions/api_test/bluetooth/test_events.js

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function testPowerEvents() {
+  var numValues = kExpectedValues.length;
+
+  if (powerChangedValues.length != numValues ||
+      availabilityChangedValues.length != numValues) {
+    chrome.test.fail();
+  }

[miket_OOO, 2012/07/11 16:32:53]

This is just a matter of style, but instead of test.fail() you can do the
slightly more conventional chrome.test.assertTrue(), chrome.test.assertEq(),
etc., which have the potential of giving better failure messages. Up to you,
either's good with me.

[bryeung, 2012/07/11 19:06:34]

That's a great suggestion: thank you.

+
+  for (var i = 0; i < numValues; ++i) {
+    if (powerChangedValues[i] != kExpectedValues[i] ||
+        availabilityChangedValues[i] != kExpectedValues[i]) {
+      chrome.test.fail();
+    }
+  }
+
+  chrome.test.succeed();
+}
+
+var powerChangedValues = [];
+var availabilityChangedValues = [];
+var kExpectedValues = [true, false];
+chrome.experimental.bluetooth.onPowerChanged.addListener(
+    function(result) {
+      powerChangedValues.push(result);
+    });
+chrome.experimental.bluetooth.onAvailabilityChanged.addListener(
+    function(result) {
+      availabilityChangedValues.push(result);
+    });
+chrome.test.sendMessage('ready',
+    function(message) {
+      chrome.test.runTests([
+          testPowerEvents
+      ]);
+    });