a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2016 OTA keys S.A.
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
*/
#include <string.h>
#include <errno.h>
#include "embUnit.h"
#include "mtd.h"
#include "board.h"
#if MODULE_VFS
#include <fcntl.h>
#include <stdio.h>
#include "vfs.h"
#endif
/* Define MTD_0 in board.h to use the board mtd if any */
#ifdef MTD_0
#define dev (MTD_0)
#else
/* Test mock object implementing a simple RAM-based mtd */
#ifndef SECTOR_COUNT
#define SECTOR_COUNT 4
#endif
#ifndef PAGE_PER_SECTOR
#define PAGE_PER_SECTOR 4
#endif
#ifndef PAGE_SIZE
#define PAGE_SIZE 128
#endif
static uint8_t dummy_memory[PAGE_PER_SECTOR * PAGE_SIZE * SECTOR_COUNT];
static int init(mtd_dev_t *dev)
{
(void)dev;
memset(dummy_memory, 0xff, sizeof(dummy_memory));
return 0;
}
static int read(mtd_dev_t *dev, void *buff, uint32_t addr, uint32_t size)
{
(void)dev;
if (addr + size > sizeof(dummy_memory)) {
return -EOVERFLOW;
}
memcpy(buff, dummy_memory + addr, size);
return size;
}
static int write(mtd_dev_t *dev, const void *buff, uint32_t addr, uint32_t size)
{
(void)dev;
if (addr + size > sizeof(dummy_memory)) {
return -EOVERFLOW;
}
if (size > PAGE_SIZE) {
return -EOVERFLOW;
}
memcpy(dummy_memory + addr, buff, size);
return size;
}
static int erase(mtd_dev_t *dev, uint32_t addr, uint32_t size)
{
(void)dev;
if (size % (PAGE_PER_SECTOR * PAGE_SIZE) != 0) {
return -EOVERFLOW;
}
if (addr % (PAGE_PER_SECTOR * PAGE_SIZE) != 0) {
return -EOVERFLOW;
}
if (addr + size > sizeof(dummy_memory)) {
return -EOVERFLOW;
}
memset(dummy_memory + addr, 0xff, size);
return 0;
}
static int power(mtd_dev_t *dev, enum mtd_power_state power)
{
(void)dev;
(void)power;
return 0;
}
static const mtd_desc_t driver = {
.init = init,
.read = read,
.write = write,
.erase = erase,
.power = power,
};
static mtd_dev_t _dev = {
.driver = &driver,
.sector_count = SECTOR_COUNT,
.pages_per_sector = PAGE_PER_SECTOR,
.page_size = PAGE_SIZE,
};
static mtd_dev_t *dev = (mtd_dev_t*) &_dev;
#endif /* MTD_0 */
static void setup_teardown(void)
{
mtd_erase(dev, 0, dev->pages_per_sector * dev->page_size);
}
static void test_mtd_init(void)
{
int ret = mtd_init(dev);
TEST_ASSERT_EQUAL_INT(0, ret);
}
static void test_mtd_erase(void)
{
/* Erase first sector */
int ret = mtd_erase(dev, 0, dev->pages_per_sector * dev->page_size);
TEST_ASSERT_EQUAL_INT(0, ret);
/* Erase with wrong size (les than sector size) */
ret = mtd_erase(dev, 0, dev->page_size);
TEST_ASSERT_EQUAL_INT(-EOVERFLOW, ret);
/* Unaligned erase */
ret = mtd_erase(dev, dev->page_size, dev->page_size);
TEST_ASSERT_EQUAL_INT(-EOVERFLOW, ret);
/* Erase 2nd - 3rd sector */
ret = mtd_erase(dev, dev->pages_per_sector * dev->page_size,
dev->pages_per_sector * dev->page_size * 2);
TEST_ASSERT_EQUAL_INT(0, ret);
/* Erase out of memory area */
ret = mtd_erase(dev, dev->pages_per_sector * dev->page_size * dev->sector_count,
dev->pages_per_sector * dev->page_size);
TEST_ASSERT_EQUAL_INT(-EOVERFLOW, ret);
}
static void test_mtd_write_erase(void)
{
const char buf[] = "ABCDEFGHIJK";
uint8_t buf_empty[] = {0xff, 0xff, 0xff};
char buf_read[sizeof(buf) + sizeof(buf_empty)];
memset(buf_read, 0, sizeof(buf_read));
int ret = mtd_write(dev, buf, sizeof(buf_empty), sizeof(buf));
TEST_ASSERT_EQUAL_INT(sizeof(buf), ret);
ret = mtd_erase(dev, 0, dev->pages_per_sector * dev->page_size);
TEST_ASSERT_EQUAL_INT(0, ret);
uint8_t expected[sizeof(buf_read)];
memset(expected, 0xff, sizeof(expected));
ret = mtd_read(dev, buf_read, 0, sizeof(buf_read));
TEST_ASSERT_EQUAL_INT(sizeof(buf_read), ret);
TEST_ASSERT_EQUAL_INT(0, memcmp(expected, buf_read, sizeof(buf_read)));
}
static void test_mtd_write_read(void)
{
const char buf[] = "ABCDEFGH";
uint8_t buf_empty[] = {0xff, 0xff, 0xff};
char buf_read[sizeof(buf) + sizeof(buf_empty)];
memset(buf_read, 0, sizeof(buf_read));
/* Basic write / read */
int ret = mtd_write(dev, buf, 0, sizeof(buf));
TEST_ASSERT_EQUAL_INT(sizeof(buf), ret);
ret = mtd_read(dev, buf_read, 0, sizeof(buf_read));
TEST_ASSERT_EQUAL_INT(sizeof(buf_read), ret);
TEST_ASSERT_EQUAL_INT(0, memcmp(buf, buf_read, sizeof(buf)));
TEST_ASSERT_EQUAL_INT(0, memcmp(buf_empty, buf_read + sizeof(buf), sizeof(buf_empty)));
/* Unaligned write / read */
ret = mtd_write(dev, buf, dev->page_size + sizeof(buf_empty), sizeof(buf));
TEST_ASSERT_EQUAL_INT(sizeof(buf), ret);
ret = mtd_read(dev, buf_read, dev->page_size, sizeof(buf_read));
TEST_ASSERT_EQUAL_INT(sizeof(buf_read), ret);
TEST_ASSERT_EQUAL_INT(0, memcmp(buf_empty, buf_read, sizeof(buf_empty)));
TEST_ASSERT_EQUAL_INT(0, memcmp(buf, buf_read + sizeof(buf_empty), sizeof(buf)));
/* out of bounds write (addr) */
ret = mtd_write(dev, buf, dev->pages_per_sector * dev->page_size * dev->sector_count,
sizeof(buf));
TEST_ASSERT_EQUAL_INT(-EOVERFLOW, ret);
/* out of bounds write (addr + count) */
ret = mtd_write(dev, buf, (dev->pages_per_sector * dev->page_size * dev->sector_count)
- (sizeof(buf) / 2), sizeof(buf));
TEST_ASSERT_EQUAL_INT(-EOVERFLOW, ret);
}
#ifdef MTD_0
static void test_mtd_write_read_flash(void)
{
const uint8_t buf1[] = {0xee, 0xdd, 0xcc};
const uint8_t buf2[] = {0x33, 0x33, 0x33};
const uint8_t buf_expected[] = {0x22, 0x11, 0x0};
uint8_t buf_empty[] = {0xff, 0xff, 0xff};
char buf_read[sizeof(buf_expected) + sizeof(buf_empty)];
memset(buf_read, 0, sizeof(buf_read));
/* Test flash AND behavior. This test will fail if the mtd is not a flash */
/* Basic write / read */
int ret = mtd_write(dev, buf1, 0, sizeof(buf1));
TEST_ASSERT_EQUAL_INT(sizeof(buf1), ret);
ret = mtd_write(dev, buf2, 0, sizeof(buf2));
TEST_ASSERT_EQUAL_INT(sizeof(buf2), ret);
ret = mtd_read(dev, buf_read, 0, sizeof(buf_read));
TEST_ASSERT_EQUAL_INT(sizeof(buf_read), ret);
TEST_ASSERT_EQUAL_INT(0, memcmp(buf_expected, buf_read, sizeof(buf_expected)));
TEST_ASSERT_EQUAL_INT(0, memcmp(buf_empty, buf_read + sizeof(buf_expected), sizeof(buf_empty)));
}
#endif
#if MODULE_VFS
static void test_mtd_vfs(void)
{
int fd;
fd = vfs_bind(VFS_ANY_FD, O_RDWR, &mtd_vfs_ops, dev);
const char buf[] = "mnopqrst";
uint8_t buf_empty[] = {0xff, 0xff, 0xff};
char buf_read[sizeof(buf) + sizeof(buf_empty)];
memset(buf_read, 0, sizeof(buf_read));
int ret = vfs_lseek(fd, sizeof(buf_empty), SEEK_SET);
TEST_ASSERT_EQUAL_INT(sizeof(buf_empty), ret);
ret = vfs_write(fd, buf, sizeof(buf));
TEST_ASSERT_EQUAL_INT(sizeof(buf), ret);
ret = vfs_lseek(fd, 0, SEEK_SET);
TEST_ASSERT_EQUAL_INT(0, ret);
ret = vfs_read(fd, buf_read, sizeof(buf_read));
TEST_ASSERT_EQUAL_INT(sizeof(buf_read), ret);
TEST_ASSERT_EQUAL_INT(0, memcmp(buf_empty, buf_read, sizeof(buf_empty)));
TEST_ASSERT_EQUAL_INT(0, memcmp(buf, buf_read + sizeof(buf_empty), sizeof(buf)));
ret = vfs_lseek(fd, 0, SEEK_END);
TEST_ASSERT(ret > 0);
ret = vfs_write(fd, buf, sizeof(buf));
/* Attempted to write past the device memory */
TEST_ASSERT(ret < 0);
}
#endif
Test *tests_mtd_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_mtd_init),
new_TestFixture(test_mtd_erase),
new_TestFixture(test_mtd_write_erase),
new_TestFixture(test_mtd_write_read),
#ifdef MTD_0
new_TestFixture(test_mtd_write_read_flash),
#endif
#if MODULE_VFS
new_TestFixture(test_mtd_vfs),
#endif
};
EMB_UNIT_TESTCALLER(mtd_tests, setup_teardown, setup_teardown, fixtures);
return (Test *)&mtd_tests;
}
void tests_mtd(void)
{
TESTS_RUN(tests_mtd_tests());
}
/** @} */
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