bluetoothPrivate: Add disconnectAll function

chrome/test/data/extensions/api_test/bluetooth_private/disconnect/test.js

+// Copyright 2014 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.
+
+var deviceAddress = '11:12:13:14:15:16';
+var errorNotConnected = 'Device is not connected';
+var errorDisconnectFailed = 'Failed to disconnect device';
+
+var btp = chrome.bluetoothPrivate;
+
+function testDisconnect() {
+  btp.disconnectAll(deviceAddress, function() {
+    assertFailure(errorNotConnected);
+    btp.disconnectAll(deviceAddress, function() {
+      assertFailure(errorNotConnected);
+      btp.disconnectAll(deviceAddress, function() {
+        assertFailure(errorDisconnectFailed);
+        btp.disconnectAll(deviceAddress, function() {
+          chrome.test.assertNoLastError();
+          chrome.test.succeed();
+        });
+      });
+    });
+  });
+}
+
+function assertFailure(message) {
+  if (!chrome.runtime.lastError)
+    chrome.test.fail('Expected failure but got success.');
+
+  if (chrome.runtime.lastError.message == message)
+    return;
+
+  chrome.test.fail('Expected error "' + message + '" but got "' +
+                   chrome.runtime.lastError.message + '" instead.');
+}
+
+chrome.test.runTests([testDisconnect]);