mbed-os/TESTS/mbed_drivers/race_test/main.cpp

138 lines
3.1 KiB
C++

/*
* Copyright (c) 2016-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* 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 "mbed.h"
#include "rtos.h"
#include "greentea-client/test_env.h"
#include "unity/unity.h"
#include "utest/utest.h"
#include "SingletonPtr.h"
#include <stdio.h>
#ifdef MBED_RTOS_SINGLE_THREAD
#error [NOT_SUPPORTED] test not supported for single threaded enviroment
#endif
#if !DEVICE_USTICKER
#error [NOT_SUPPORTED] test not supported
#endif
using namespace utest::v1;
#define TEST_STACK_SIZE 512
static uint32_t instance_count = 0;
class TestClass {
public:
TestClass()
{
Thread::wait(500);
instance_count++;
}
void do_something()
{
Thread::wait(100);
}
~TestClass()
{
instance_count--;
}
};
static TestClass *get_test_class()
{
static TestClass tc;
return &tc;
}
static SingletonPtr<TestClass> test_class;
static void main_func_race()
{
get_test_class();
TEST_ASSERT_EQUAL_UINT32(1, instance_count);
}
static void main_class_race()
{
test_class->do_something();
TEST_ASSERT_EQUAL_UINT32(1, instance_count);
}
void test_case_func_race()
{
Callback<void()> cb(main_func_race);
Thread t1(osPriorityNormal, TEST_STACK_SIZE);
Thread t2(osPriorityNormal, TEST_STACK_SIZE);
// Start start first thread
t1.start(cb);
// Start second thread while the first is inside the constructor
Thread::wait(250);
t2.start(cb);
// Wait for the threads to finish
t1.join();
t2.join();
TEST_ASSERT_EQUAL_UINT32(1, instance_count);
// Reset instance count
instance_count = 0;
}
void test_case_class_race()
{
Callback<void()> cb(main_class_race);
Thread t1(osPriorityNormal, TEST_STACK_SIZE);
Thread t2(osPriorityNormal, TEST_STACK_SIZE);
// Start start first thread
t1.start(cb);
// Start second thread while the first is inside the constructor
Thread::wait(250);
t2.start(cb);
// Wait for the threads to finish
t1.join();
t2.join();
TEST_ASSERT_EQUAL_UINT32(1, instance_count);
// Reset instance count
instance_count = 0;
}
Case cases[] = {
Case("function init race", test_case_func_race),
Case("class init race", test_case_class_race),
};
utest::v1::status_t greentea_test_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(20, "default_auto");
return greentea_test_setup_handler(number_of_cases);
}
Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
int main()
{
Harness::run(specification);
}