Bluetooth API: test discovery callback.

chrome/test/data/extensions/api_test/bluetooth/test_discovery.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 testDiscovery() {
+  chrome.test.assertEq(kExpectedDeviceNames.length,
+      discoveredDevices.length);
+  for (var i = 0; i < kExpectedDeviceNames.length; ++i) {
+    chrome.test.assertEq(kExpectedDeviceNames[i], discoveredDevices[i].name);
+  }
+
+  chrome.test.succeed();
+}
+
+function startTests() {
+  chrome.test.runTests([testDiscovery]);
+}
+
+function sendReady(callback) {
+  chrome.test.sendMessage('ready', callback);
+}
+
+function stopDiscoveryAndContinue() {
+  chrome.experimental.bluetooth.stopDiscovery();
+  sendReady(startTests);
+}
+
+var kExpectedDeviceNames = ["d1"];
+var discoveredDevices = [];
+function recordDevice(device) {
+  discoveredDevices.push(device);
+}
+
+chrome.experimental.bluetooth.startDiscovery(
+    { deviceCallback:recordDevice },
+    function() { sendReady(stopDiscoveryAndContinue); });