mbed-os/frameworks/utest/TESTS/unit_tests/minimal_scheduler/main.cpp

126 lines
4.2 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2013-2016 ARM Limited
*
* 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.
*/
// define this to get rid of the minar dependency.
#define YOTTA_CFG_UTEST_USE_CUSTOM_SCHEDULER 1
#include "mbed-drivers/mbed.h"
#include "greentea-client/test_env.h"
#include "utest/utest.h"
#include "unity/unity.h"
using namespace utest::v1;
// only one callback is active at any given time
volatile utest_v1_harness_callback_t minimal_callback;
// Scheduler ----------------------------------------------------------------------------------------------------------
static int32_t utest_minimal_init()
{
minimal_callback = NULL;
return 0;
}
static void *utest_minimal_post(const utest_v1_harness_callback_t callback, const uint32_t delay_ms)
{
minimal_callback = callback;
// this scheduler does not support scheduling of asynchronous callbacks
return (delay_ms ? NULL : (void*)1);
}
static int32_t utest_minimal_cancel(void *handle)
{
(void) handle;
// this scheduler does not support canceling of asynchronous callbacks
return -1;
}
static int32_t utest_minimal_run()
{
/* This is the amazing minimal scheduler.
* This is just a busy loop that calls the callbacks in this context.
* THIS LOOP IS BLOCKING.
*/
while(1)
{
// check if a new callback has been set
if (minimal_callback) {
// copy the callback
utest_v1_harness_callback_t callback = minimal_callback;
// reset the shared callback
minimal_callback = NULL;
// execute the copied callback
callback();
}
}
return 0;
}
static const utest_v1_scheduler_t utest_minimal_scheduler =
{
utest_minimal_init,
utest_minimal_post,
utest_minimal_cancel,
utest_minimal_run
};
// Tests --------------------------------------------------------------------------------------------------------------
int call_counter(0);
// Basic Test Case ----------------------------------------------------------------------------------------------------
control_t test_case()
{
static int counter(0);
TEST_ASSERT_EQUAL(counter++, call_counter++);
printf("Running Test #%d\n", counter);
return CaseNext;
}
// Cases --------------------------------------------------------------------------------------------------------------
Case cases[] = {
Case("Minimal Scheduler: Case 1", test_case),
Case("Minimal Scheduler: Case 2", test_case),
Case("Minimal Scheduler: Case 3", test_case),
Case("Minimal Scheduler: Case 4", test_case),
Case("Minimal Scheduler: Case 5", test_case),
Case("Minimal Scheduler: Case 6", test_case),
Case("Minimal Scheduler: Case 7", test_case),
Case("Minimal Scheduler: Case 8", test_case)
};
// Specification: Setup & Teardown ------------------------------------------------------------------------------------
status_t greentea_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(15, "default_auto");
return greentea_test_setup_handler(number_of_cases);
}
void greentea_teardown(const size_t passed, const size_t failed, const failure_t failure)
{
TEST_ASSERT_EQUAL(8, call_counter++);
TEST_ASSERT_EQUAL(8, passed);
TEST_ASSERT_EQUAL(0, failed);
TEST_ASSERT_EQUAL(REASON_NONE, failure.reason);
TEST_ASSERT_EQUAL(LOCATION_NONE, failure.location);
greentea_test_teardown_handler(passed, failed, failure);
}
Specification specification(greentea_setup, cases, greentea_teardown, selftest_handlers);
int main()
{
// You MUST set the custom scheduler before running the specification.
Harness::set_scheduler(utest_minimal_scheduler);
// Run the specification only AFTER setting the custom scheduler.
Harness::run(specification);
}