/* mbed Microcontroller Library
 * Copyright (c) 2019-2019 ARM Limited
 *
 * 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.
 */
#if !defined(MBED_CONF_RTOS_PRESENT)
#error [NOT_SUPPORTED] stack size unification test cases require a RTOS to run.
#else

#include "mbed.h"
#include "greentea-client/test_env.h"
#include "unity.h"
#include "utest.h"

#ifdef TARGET_RENESAS
#error [NOT_SUPPORTED] Cortex-A target not supported for this test
#else

using namespace utest::v1;

extern osThreadAttr_t _main_thread_attr;
extern uint32_t mbed_stack_isr_size;

/* Exception for Nordic boards - BLE requires 2KB ISR stack. */
#if defined(TARGET_NRF5x)
#define EXPECTED_ISR_STACK_SIZE                  (2048)
#else
#define EXPECTED_ISR_STACK_SIZE                  (1024)
#endif

#if defined(TARGET_NUCLEO_F070RB) || defined(TARGET_NANO100) || defined(TARGET_STM32F072RB) || defined(TARGET_TMPM46B) || defined(TARGET_TMPM066)
#define EXPECTED_MAIN_THREAD_STACK_SIZE          (3072)
#else
#define EXPECTED_MAIN_THREAD_STACK_SIZE          (4096)
#endif

#define EXPECTED_USER_THREAD_DEFAULT_STACK_SIZE  (4096)

/* Test sizes of ISR stack, main thread stack, default user thread stack.
 *
 * On some platforms with lower RAM size (e.g. NUCLEO_F070RB - 16 KB RAM) it is impossible
 * to create thread with default stack size to check its size, that is why we will
 * check only macro which specifies default user thread stack.
 *
 */
void stack_size_unification_test()
{
    TEST_ASSERT_EQUAL(EXPECTED_ISR_STACK_SIZE, mbed_stack_isr_size);
    TEST_ASSERT_EQUAL(EXPECTED_MAIN_THREAD_STACK_SIZE, _main_thread_attr.stack_size);
    TEST_ASSERT_EQUAL(EXPECTED_USER_THREAD_DEFAULT_STACK_SIZE, OS_STACK_SIZE);
}

utest::v1::status_t test_setup(const size_t number_of_cases)
{
    GREENTEA_SETUP(10, "default_auto");
    return verbose_test_setup_handler(number_of_cases);
}

Case cases[] = {
    Case("Stack size unification test", stack_size_unification_test)
};

Specification specification(test_setup, cases);

int main()
{
    return !Harness::run(specification);
}

#endif // TARGET_RENESAS
#endif // !defined(MBED_CONF_RTOS_PRESENT)