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/******************************************************************************
*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#include <base/bind.h>
#include <base/logging.h>
#include <base/threading/thread.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <semaphore.h>
#include <time.h>
#include <unistd.h>
#include "btcore/include/module.h"
#include "osi/include/alarm.h"
#include "osi/include/fixed_queue.h"
#include "osi/include/thread.h"
#include "stack/include/btu.h"
class TimeoutHelper {
public:
TimeoutHelper() { sem_init(&sem, 0, 0); }
~TimeoutHelper() { sem_destroy(&sem); }
void wait(int seconds, base::Closure callback) {
struct timespec timeout;
clock_gettime(CLOCK_REALTIME, &timeout);
timeout.tv_sec += seconds;
int semvalue;
sem_getvalue(&sem, &semvalue);
// Call the callback if timeout occured
if (sem_timedwait(&sem, &timeout) == -1 && !callback.is_null()) {
callback.Run();
}
}
void notify() { sem_post(&sem); }
private:
sem_t sem;
};
TimeoutHelper helper;
// External function definitions
void btu_message_loop_run(void* context);
void btu_task_start_up(void* context);
void btu_task_shut_down(void* context);
/* Below are methods and variables that must be implemented if we don't want to
* compile the whole stack. They will be removed, or changed into mocks one by
* one in the future, as the refactoring progresses */
void btif_transfer_context(void (*)(unsigned short, char*), uint16_t, char*,
int, void (*)(unsigned short, char*, char*)) {
helper.notify();
};
void btu_init_core(){};
void btif_init_ok(unsigned short, char*){};
void BTE_InitStack(){};
void bta_sys_init(){};
void bta_sys_free(){};
void btu_free_core(){};
const module_t* get_module(const char*) { return nullptr; };
bool module_init(module_t const*) { return true; };
void module_clean_up(module_t const*){};
thread_t* bt_workqueue_thread;
class BtuMessageLoopTest : public testing::Test {
public:
MOCK_METHOD0(TestCallback, void(void));
base::MessageLoop* message_loop;
virtual void SetUp() {
// Initialize alarms to prevent btu_task_shut_down from crashing
alarm_new("test alarm");
bt_workqueue_thread = thread_new("test alarm thread");
// btu_task_start_up calls btif_transfer_context to let the stack know
// start up is finished
btu_task_start_up(nullptr);
helper.wait(5, base::Bind(&BtuMessageLoopTest::Fail, base::Unretained(this),
"BTU startup timed out"));
}
virtual void TearDown() {
btu_task_shut_down(nullptr);
alarm_cleanup();
}
void Fail(std::string message) { FAIL() << message; }
};
TEST_F(BtuMessageLoopTest, send_message) {
message_loop = get_message_loop();
EXPECT_FALSE(message_loop == nullptr);
EXPECT_CALL(*this, TestCallback()).Times(1);
message_loop->task_runner()->PostTask(
FROM_HERE,
base::Bind(&BtuMessageLoopTest::TestCallback, base::Unretained(this)));
message_loop->task_runner()->PostTask(
FROM_HERE, base::Bind(&TimeoutHelper::notify, base::Unretained(&helper)));
// Prevent the test from ending before the message loop posts the function
helper.wait(5, base::Bind(&BtuMessageLoopTest::Fail, base::Unretained(this),
"Timed out waiting for callback"));
}
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