mbed-os/features/TESTS/filesystem/flashsim_block_device/main.cpp

143 lines
4.2 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2018 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 "greentea-client/test_env.h"
#include "unity.h"
#include "utest.h"
#include "FlashSimBlockDevice.h"
#include "HeapBlockDevice.h"
#include <stdlib.h>
using namespace utest::v1;
static const bd_size_t read_size = 1;
static const bd_size_t prog_size = 8;
static const bd_size_t erase_size = 512;
static const bd_size_t num_blocks = 4;
static const bd_size_t test_buf_size = 64;
static const uint8_t blank = 0xFF;
// Simple test for all APIs
void functionality_test()
{
HeapBlockDevice heap_bd(num_blocks * erase_size, read_size, prog_size, erase_size);
FlashSimBlockDevice bd(&heap_bd, blank);
int err = bd.init();
TEST_ASSERT_EQUAL(0, err);
uint8_t read_buf[test_buf_size], write_buf[test_buf_size];
TEST_ASSERT_EQUAL(num_blocks * erase_size, bd.size());
TEST_ASSERT_EQUAL(read_size, bd.get_read_size());
TEST_ASSERT_EQUAL(prog_size, bd.get_program_size());
TEST_ASSERT_EQUAL(erase_size, bd.get_erase_size());
TEST_ASSERT_EQUAL(blank, bd.get_erase_value());
srand(1);
for (bd_size_t i = 0; i < test_buf_size; i++) {
write_buf[i] = 0xff & rand();
}
// Make sure we can't program if not erased (even after init)
err = bd.program(write_buf, 0, test_buf_size);
TEST_ASSERT_EQUAL(BD_ERROR_NOT_ERASED, err);
err = bd.erase(0, erase_size * 2);
TEST_ASSERT_EQUAL(0, err);
err = bd.program(write_buf, 0, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
// Allow programming same data
err = bd.program(write_buf, 0, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
srand(2);
for (bd_size_t i = 0; i < test_buf_size; i++) {
write_buf[i] = 0xff & rand();
}
err = bd.program(write_buf, 0, test_buf_size);
TEST_ASSERT_EQUAL(BD_ERROR_NOT_ERASED, err);
err = bd.program(write_buf, 2 * erase_size - test_buf_size, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
memset(write_buf, blank, test_buf_size / 2);
err = bd.read(read_buf, test_buf_size * 2, test_buf_size / 2);
TEST_ASSERT_EQUAL(0, err);
TEST_ASSERT_EQUAL_UINT8_ARRAY(write_buf, read_buf, test_buf_size / 2);
srand(1);
for (bd_size_t i = 0; i < test_buf_size; i++) {
write_buf[i] = 0xff & rand();
}
err = bd.read(read_buf, 0, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
TEST_ASSERT_EQUAL_UINT8_ARRAY(write_buf, read_buf, test_buf_size);
srand(2);
for (bd_size_t i = 0; i < test_buf_size; i++) {
write_buf[i] = 0xff & rand();
}
err = bd.read(read_buf, 2 * erase_size - test_buf_size, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
TEST_ASSERT_EQUAL_UINT8_ARRAY(write_buf, read_buf, test_buf_size);
err = bd.deinit();
TEST_ASSERT_EQUAL(0, err);
err = bd.init();
TEST_ASSERT_EQUAL(0, err);
// Make sure data lives across inits
err = bd.read(read_buf, 2 * erase_size - test_buf_size, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
TEST_ASSERT_EQUAL_UINT8_ARRAY(write_buf, read_buf, test_buf_size);
err = bd.erase(0, erase_size);
TEST_ASSERT_EQUAL(0, err);
// Make sure erase returns the erase value
memset(write_buf, blank, test_buf_size);
err = bd.read(read_buf, 0, test_buf_size);
TEST_ASSERT_EQUAL(0, err);
TEST_ASSERT_EQUAL_UINT8_ARRAY(write_buf, read_buf, test_buf_size);
}
// Test setup
utest::v1::status_t test_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(30, "default_auto");
return verbose_test_setup_handler(number_of_cases);
}
Case cases[] = {
Case("FlashSimBlockDevice functionality test", functionality_test),
};
Specification specification(test_setup, cases);
int main()
{
return !Harness::run(specification);
}