Home | History | Annotate | Download | only in adapter
      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2015 Google, Inc.
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 #pragma once
     20 
     21 #include "service/hal/bluetooth_interface.h"
     22 
     23 #include <gtest/gtest.h>
     24 #include <map>
     25 #include <string>
     26 
     27 extern "C" {
     28 #include <hardware/bluetooth.h>
     29 #include <hardware/bt_gatt.h>
     30 #include <hardware/bt_pan.h>
     31 #include <hardware/bt_sock.h>
     32 #include <hardware/hardware.h>
     33 #include <signal.h>
     34 #include <time.h>
     35 
     36 #include "osi/include/semaphore.h"
     37 }
     38 
     39 namespace bttest {
     40 
     41 // This class represents the Bluetooth testing framework and provides
     42 // helpers and callbacks for GUnit to use for testing.
     43 class BluetoothTest : public ::testing::Test,
     44                       public bluetooth::hal::BluetoothInterface::Observer {
     45  protected:
     46   BluetoothTest() = default;
     47   virtual ~BluetoothTest() = default;
     48 
     49   // Getter for the bt_interface
     50   const bt_interface_t* bt_interface();
     51 
     52   // Gets the current state of the Bluetooth Interface
     53   bt_state_t GetState();
     54 
     55   // Get the number of properties that have changed on the
     56   // Adapter Properties callback
     57   int GetPropertiesChangedCount();
     58 
     59   // Get the value of a specific property
     60   bt_property_t* GetProperty(bt_property_type_t type);
     61 
     62   // Get the current discovery state
     63   bt_discovery_state_t GetDiscoveryState();
     64 
     65   // Get the current Acl State
     66   bt_acl_state_t GetAclState();
     67 
     68   // Get the current Bond State
     69   bt_bond_state_t GetBondState();
     70 
     71   // Reset a semaphores count to 0
     72   void ClearSemaphore(semaphore_t* sem);
     73 
     74   // SetUp initializes the Bluetooth interface and registers the callbacks
     75   // before running every test
     76   void SetUp() override;
     77 
     78   // TearDown cleans up the stack and interface at the end of every test
     79   void TearDown() override;
     80 
     81   // A callback that is called when a property changes
     82   void AdapterPropertiesCallback(
     83       bt_status_t status,
     84       int num_properties,
     85       bt_property_t *properties);
     86 
     87   // A callback that is called when the adapter state changes
     88   void AdapterStateChangedCallback(bt_state_t state);
     89 
     90   // A callback that is called when the Discovery state changes
     91   void DiscoveryStateChangedCallback(bt_discovery_state_t state);
     92 
     93   // Semaphores used to wait for specific callback execution. Each callback
     94   // has its own semaphore associated with it.
     95   semaphore_t* adapter_properties_callback_sem_;
     96   semaphore_t* adapter_state_changed_callback_sem_;
     97   semaphore_t* discovery_state_changed_callback_sem_;
     98 
     99  private:
    100   // The bluetooth interface that all the tests use to interact with the HAL
    101   const bt_interface_t* bt_interface_;
    102 
    103   bt_state_t state_;
    104   int properties_changed_count_;
    105   bt_property_t *last_changed_properties_;
    106   bt_discovery_state_t discovery_state_;
    107   bt_acl_state_t acl_state_;
    108   bt_bond_state_t bond_state_;
    109 
    110   DISALLOW_COPY_AND_ASSIGN(BluetoothTest);
    111 };
    112 
    113 }  // bttest
    114