main.cpp

00001 /*
00002  * Copyright (c) 2016-2016, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 #include "mbed.h"
00018 #include "rtos.h"
00019 #include "greentea-client/test_env.h"
00020 #include "unity/unity.h"
00021 #include "utest/utest.h"
00022 #include "SingletonPtr.h"
00023 #include <stdio.h>
00024 
00025 using namespace utest::v1;
00026 
00027 #define TEST_STACK_SIZE     1024
00028 static uint32_t instance_count = 0;
00029 
00030 class TestClass {
00031 public:
00032     TestClass() {
00033         printf("TestClass ctor start\r\n");
00034         Thread::wait(500);
00035         instance_count++;
00036         printf("TestClass ctor end\r\n");
00037     }
00038 
00039     void do_something() {
00040         printf("Do something called\r\n");
00041     }
00042 
00043     ~TestClass() {
00044         instance_count--;
00045     }
00046 };
00047 
00048 static TestClass* get_test_class()
00049 {
00050     static TestClass tc;
00051     return &tc;
00052 }
00053 
00054 static SingletonPtr<TestClass> test_class;
00055 
00056 static void main_func_race()
00057 {
00058     get_test_class();
00059 }
00060 
00061 static void main_class_race()
00062 {
00063     test_class->do_something();
00064 }
00065 
00066 void test_case_func_race()
00067 {
00068     printf("Running function race test\r\n");
00069     Callback<void()> cb(main_func_race);
00070     Thread *t1 = new Thread(osPriorityNormal, TEST_STACK_SIZE);
00071     Thread *t2 = new Thread(osPriorityNormal, TEST_STACK_SIZE);
00072 
00073     // Start start first thread
00074     t1->start(cb);
00075     // Start second thread while the first is inside the constructor
00076     Thread::wait(250);
00077     t2->start(cb);
00078 
00079     // Wait for the threads to finish
00080     t1->join();
00081     t2->join();
00082 
00083     delete t1;
00084     delete t2;
00085 
00086     TEST_ASSERT_EQUAL_UINT32(1, instance_count);
00087 
00088     // Reset instance count
00089     instance_count = 0;
00090 }
00091 
00092 void test_case_class_race()
00093 {
00094     printf("Running class race test\r\n");
00095     Callback<void()> cb(main_class_race);
00096     Thread *t1 = new Thread(osPriorityNormal, TEST_STACK_SIZE);
00097     Thread *t2 = new Thread(osPriorityNormal, TEST_STACK_SIZE);
00098 
00099     // Start start first thread
00100     t1->start(cb);
00101     // Start second thread while the first is inside the constructor
00102     Thread::wait(250);
00103     t2->start(cb);
00104 
00105     // Wait for the threads to finish
00106     t1->join();
00107     t2->join();
00108 
00109     delete t1;
00110     delete t2;
00111 
00112     TEST_ASSERT_EQUAL_UINT32(1, instance_count);
00113 
00114     // Reset instance count
00115     instance_count = 0;
00116 }
00117 
00118 Case cases[] = {
00119     Case("function init race", test_case_func_race),
00120     Case("class init race", test_case_class_race),
00121 };
00122 
00123 utest::v1::status_t  greentea_test_setup(const size_t number_of_cases)
00124 {
00125     GREENTEA_SETUP(20, "default_auto");
00126     return greentea_test_setup_handler(number_of_cases);
00127 }
00128 
00129 Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
00130 
00131 int main()
00132 {
00133     Harness::run(specification);
00134 }