Reland: Bluetooth: Add service data unit tests for chromeos

device/bluetooth/test/bluetooth_test.h

 // Copyright 2015 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.
 
 #ifndef DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_H_
 #define DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 112 matching lines @@
 
   // Initializes the BluetoothAdapter |adapter_| with a fake adapter that can be
   // controlled by this test fixture.
   virtual void InitWithFakeAdapter() {}
 
   // Configures the fake adapter to lack the necessary permissions to scan for
   // devices.  Returns false if the current platform always has permission.
   virtual bool DenyPermission();
 
   // Create a fake Low Energy device and discover it.
+  // |device_ordinal| with the same device address stands for the same fake
+  // device with different properties.
+  // For example:
+  // SimulateLowEnergyDevice(2); << First call will create a device with address
+  // kTestDeviceAddress1
+  // SimulateLowEnergyDevice(3); << Second call will update changes to the
+  // device of address kTestDeviceAddress1.
+  //
   // |device_ordinal| selects between multiple fake device data sets to produce:
   //   1: Name: kTestDeviceName
   //      Address:           kTestDeviceAddress1
   //      RSSI:              kTestRSSI1
   //      Advertised UUIDs: {kTestUUIDGenericAccess, kTestUUIDGenericAttribute}
   //      Service Data:     {kTestUUIDHeartRate: [1]}
   //      Tx Power:          kTestTxPower1
   //   2: Name: kTestDeviceName
   //      Address:           kTestDeviceAddress1
   //      RSSI:              kTestRSSI2
   //      Advertised UUIDs: {kTestUUIDImmediateAlert, kTestUUIDLinkLoss}
-  //      Service Data:     {kTestUUIDHeartRate: [2],
-  //                         kTestUUIDImmediateAlert: [0]}
+  //      Service Data:     {kTestUUIDHeartRate: [],
+  //                         kTestUUIDImmediateAlert: [0, 2]}
   //      Tx Power:          kTestTxPower2
   //   3: Name:    kTestDeviceNameEmpty
   //      Address: kTestDeviceAddress1
   //      RSSI:    kTestRSSI3
   //      No Advertised UUIDs
   //      No Service Data
   //      No Tx Power
   //   4: Name:    kTestDeviceNameEmpty
   //      Address: kTestDeviceAddress2
   //      RSSI:    kTestRSSI4
@@ skipping 361 matching lines @@
   int actual_error_callback_calls_ = 0;
   bool unexpected_success_callback_ = false;
   bool unexpected_error_callback_ = false;
 
   base::WeakPtrFactory<BluetoothTestBase> weak_factory_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_H_