1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef __ANDROID_HAL_VEHICLE_TEST_
18 #define __ANDROID_HAL_VEHICLE_TEST_
19 
20 #include <gtest/gtest.h>
21 #include <hardware/hardware.h>
22 #include <hardware/vehicle.h>
23 
24 namespace tests {
25 
26 static const uint64_t kVersion = HARDWARE_DEVICE_API_VERSION_2(1, 0, 1);
27 
28 class VehicleModule : public testing::Test {
29 public:
VehicleModule()30     VehicleModule() :
31         vehicle_module_(NULL) {}
~VehicleModule()32     ~VehicleModule() {}
33 protected:
SetUp()34     virtual void SetUp() {
35         const hw_module_t *hw_module = NULL;
36         ASSERT_EQ(0, hw_get_module(VEHICLE_HARDWARE_MODULE_ID, &hw_module))
37                     << "Can't get vehicle module";
38         ASSERT_TRUE(NULL != hw_module)
39                     << "hw_get_module didn't return a valid hardware module";
40 
41         vehicle_module_ = reinterpret_cast<const vehicle_module_t*>(hw_module);
42     }
vehicle_module()43     const vehicle_module_t* vehicle_module() { return vehicle_module_; }
44 private:
45     const vehicle_module_t* vehicle_module_;
46 };
47 
48 
VehicleEventCallback(const vehicle_prop_value_t * event_data)49 int VehicleEventCallback(const vehicle_prop_value_t* event_data) {
50     // Print what we got.
51     std::cout << "got some value from callback: "
52               << event_data->prop
53               << " uint32 value: "
54               << event_data->value.int32_value << "\n";
55     return 0;
56 }
57 
VehicleErrorCallback(int32_t,int32_t,int32_t)58  int VehicleErrorCallback(int32_t /*error_code*/, int32_t /*property*/, int32_t /*operation*/) {
59     // Do nothing.
60     return 0;
61 }
62 
63 class VehicleDevice : public VehicleModule {
64 public:
VehicleDevice()65     VehicleDevice() :
66         vehicle_device_(NULL) {}
~VehicleDevice()67     ~VehicleDevice() {}
68 protected:
SetUp()69     virtual void SetUp() {
70         VehicleModule::SetUp();
71         hw_device_t *device = NULL;
72         ASSERT_TRUE(NULL != vehicle_module()->common.methods->open)
73                     << "Vehicle open() is unimplemented";
74         ASSERT_EQ(0, vehicle_module()->common.methods->open(
75             (const hw_module_t*)vehicle_module(), NULL, &device))
76                 << "Can't open vehicle device";
77         ASSERT_TRUE(NULL != device)
78                     << "Vehicle open() returned a NULL device";
79         ASSERT_EQ(kVersion, device->version)
80                     << "Unsupported version";
81         vehicle_device_ = reinterpret_cast<vehicle_hw_device_t*>(device);
82     }
vehicle_device()83     vehicle_hw_device_t* vehicle_device() { return vehicle_device_; }
callback_fn()84     vehicle_event_callback_fn callback_fn() {
85       return VehicleEventCallback;
86     }
error_fn()87     vehicle_error_callback_fn error_fn() {
88       return VehicleErrorCallback;
89     }
90 
91  private:
92     vehicle_hw_device_t* vehicle_device_;
93 };
94 
95 }  // namespace tests
96 
97 #endif  // __ANDROID_HAL_VEHICLE_TEST_
98