mbed-os/features/filesystem/littlefs/TESTS/filesystem_recovery/resilience/main.cpp

105 lines
2.7 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2017 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.
*/
#include "mbed.h"
#include "unity.h"
#include "utest.h"
#include "test_env.h"
#include "atomic_usage.h"
#include "ObservingBlockDevice.h"
using namespace utest::v1;
// test configuration
#ifndef MBED_TEST_SIM_BLOCKDEVICE
#error [NOT_SUPPORTED] Simulation block device required for resilience tests
#endif
#ifndef MBED_TEST_SIM_BLOCKDEVICE_DECL
#define MBED_TEST_SIM_BLOCKDEVICE_DECL MBED_TEST_SIM_BLOCKDEVICE bd(MBED_TEST_BLOCK_COUNT*512, 1, 1, 512)
#endif
#ifndef MBED_TEST_BLOCK_COUNT
#define MBED_TEST_BLOCK_COUNT 64
#endif
#ifndef MBED_TEST_CYCLES
#define MBED_TEST_CYCLES 10
#endif
#ifndef MBED_TEST_TIMEOUT
#define MBED_TEST_TIMEOUT 480
#endif
// declarations
#define STRINGIZE(x) STRINGIZE2(x)
#define STRINGIZE2(x) #x
#define INCLUDE(x) STRINGIZE(x.h)
#include INCLUDE(MBED_TEST_SIM_BLOCKDEVICE)
/**
* Check that the filesystem is valid after every change
*
* This test is to ensure that littlefs contains a valid filesystem at
* all times. This property is required for handling unexpected power
* loss.
*/
void test_resilience()
{
MBED_TEST_SIM_BLOCKDEVICE_DECL;
// bring up to get block size
bd.init();
bd_size_t block_size = bd.get_erase_size();
bd.deinit();
SlicingBlockDevice slice(&bd, 0, MBED_TEST_BLOCK_COUNT*block_size);
// Setup the test
setup_atomic_operations(&slice, true);
// Run check on every write operation
ObservingBlockDevice observer(&slice);
observer.attach(check_atomic_operations);
// Perform operations
printf("Performing %i operations on flash\n", MBED_TEST_CYCLES);
for (int i = 1; i <= MBED_TEST_CYCLES; i++) {
int64_t ret = perform_atomic_operations(&observer);
TEST_ASSERT_EQUAL(i, ret);
}
printf("No errors detected\n");
}
Case cases[] = {
Case("test resilience", test_resilience),
};
utest::v1::status_t greentea_test_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(MBED_TEST_TIMEOUT, "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);
}