BluetoothManager { public BluetoothAdapter getBluetoothAdapter() { return mBluetoothAdapter; } private  BluetoothManager(Context context); private  BluetoothManager(Context context, BluetoothAdapter bluetoothAdapter,
                             SharedPreferences sharedPreferences); static BluetoothManager getInstance(Context context); static BluetoothManager getInstance(Context context, BluetoothAdapter bluetoothAdapter,
                                               SharedPreferences sharedPreferences); synchronized boolean bind(BluetoothManagerListener listener); synchronized void release(BluetoothManagerListener listener); boolean isBluetoothSupported(); boolean isBleSupported(); @TargetApi(21) FeatureSupportedStatus isBleMultipleAdvertisementSupported(); @TargetApi(21) FeatureSupportedStatus isBleOffloadedScanBatchingSupported(); @TargetApi(21) FeatureSupportedStatus isBleOffloadedFilteringSupported(); boolean isBluetoothEnabled(); boolean setBluetoothEnabled(boolean enable); BluetoothAdapter getBluetoothAdapter(); String getBluetoothMacAddress(); String getBluetoothName(); BluetoothDevice getRemoteDevice(String address);  }
@Test public void testGetBluetoothAdapter() throws Exception { assertThat("should be equal to the adapter", mBluetoothManager.getBluetoothAdapter(), is(mMockBluetoothAdapter)); }