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/* SPDX-License-Identifier: GPL-2.0-only */
#include <fcntl.h>
#include <lib.h>
#include <lib/lzmadecode.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <tests/test.h>
#include <unistd.h>
struct lzma_test_state {
char *raw_filename;
size_t raw_file_sz;
char *comp_filename;
size_t comp_file_sz;
};
static int get_file_size(const char *fname)
{
struct stat st;
if (stat(fname, &st) == -1)
return -1;
return st.st_size;
}
static int teardown_ulzman_file(void **state)
{
struct lzma_test_state *s = *state;
test_free(s->raw_filename);
test_free(s->comp_filename);
test_free(s);
return 0;
}
/* Set data file with prestate */
static int setup_ulzman_file(void **state)
{
int ret = 0;
const char *fname_base = *state;
const char path_prefix[] = __TEST_DATA_DIR__ "/lib/lzma-test/%s%s";
const char raw_file_suffix[] = ".bin";
const char comp_file_suffix[] = ".lzma.bin";
struct lzma_test_state *s = test_malloc(sizeof(*s));
memset(s, 0, sizeof(*s));
if (!s)
return 1;
const size_t raw_filename_size =
strlen(path_prefix) + strlen(fname_base) + ARRAY_SIZE(raw_file_suffix);
s->raw_filename = test_malloc(raw_filename_size);
const size_t comp_filename_size =
strlen(path_prefix) + strlen(fname_base) + ARRAY_SIZE(comp_file_suffix);
s->comp_filename = test_malloc(comp_filename_size);
if (!s->raw_filename || !s->comp_filename) {
print_error("File path allocation error\n");
ret = 2;
goto error;
}
snprintf(s->raw_filename, raw_filename_size, path_prefix, fname_base, raw_file_suffix);
snprintf(s->comp_filename, comp_filename_size, path_prefix, fname_base,
comp_file_suffix);
s->raw_file_sz = get_file_size(s->raw_filename);
s->comp_file_sz = get_file_size(s->comp_filename);
if (s->raw_file_sz == -1) {
print_error("Unable to open file: %s\n", s->raw_filename);
ret = 3;
goto error;
}
if (s->comp_file_sz == -1) {
print_error("Unable to open file: %s\n", s->comp_filename);
ret = 3;
goto error;
}
*state = s;
return 0;
error:
teardown_ulzman_file((void **)&s);
return ret;
}
static int read_file(const char *fname, uint8_t *buf, size_t sz)
{
int f = open(fname, O_RDONLY);
int read_sz = 0;
if (f == -1)
return -1;
read_sz = read(f, buf, sz);
close(f);
return read_sz;
}
static void test_ulzman_correct_file(void **state)
{
struct lzma_test_state *s = *state;
uint8_t *raw_buf = test_malloc(s->raw_file_sz);
uint8_t *decomp_buf = test_malloc(s->raw_file_sz);
uint8_t *comp_buf = test_malloc(s->comp_file_sz);
assert_non_null(raw_buf);
assert_non_null(decomp_buf);
assert_non_null(comp_buf);
assert_int_equal(s->raw_file_sz, read_file(s->raw_filename, raw_buf, s->raw_file_sz));
assert_int_equal(s->comp_file_sz,
read_file(s->comp_filename, comp_buf, s->comp_file_sz));
assert_int_equal(s->raw_file_sz,
ulzman(comp_buf, s->comp_file_sz, decomp_buf, s->raw_file_sz));
assert_memory_equal(raw_buf, decomp_buf, s->raw_file_sz);
test_free(raw_buf);
test_free(decomp_buf);
test_free(comp_buf);
}
static void test_ulzman_input_too_small(void **state)
{
uint8_t in_buf[32] = {0};
uint8_t out_buf[32];
assert_int_equal(0, ulzman(in_buf, LZMA_PROPERTIES_SIZE, out_buf, sizeof(out_buf)));
}
static void test_ulzman_zero_buffer(void **state)
{
uint8_t in_buf[LZMA_PROPERTIES_SIZE + 1 * KiB];
uint8_t out_buf[2 * KiB];
memset(in_buf, 0, sizeof(in_buf));
memset(out_buf, 0, sizeof(out_buf));
assert_int_equal(0, ulzman(in_buf, sizeof(in_buf), out_buf, sizeof(out_buf)));
}
#define ULZMAN_CORRECT_FILE_TEST(_file_prefix) \
{ \
.name = "test_ulzman_correct_file(" _file_prefix ")", \
.test_func = test_ulzman_correct_file, .setup_func = setup_ulzman_file, \
.teardown_func = teardown_ulzman_file, .initial_state = (_file_prefix) \
}
int main(void)
{
const struct CMUnitTest tests[] = {
/* "data.N" in macros below refers to files:
- __TEST_DATA_DIR__ /lib/lzma-test/data.N.bin
- __TEST_DATA_DIR__ /lib/lzma-test/data.N.bin.lzma
Files data.N.bin suffix are raw data, and data.N.lzma.bin are its
LZMA-compressed form. Both are required to exist.
*/
/* util/cbfs-compression-tool compressed by itself.
To test compression of executable files like payloads. */
ULZMAN_CORRECT_FILE_TEST("data.1"),
/* README.md compressed by util/cbfs-compression-tool. */
ULZMAN_CORRECT_FILE_TEST("data.2"),
/* tests/lib/imd-test.c compressed by util/cbfs-compression-tool
Structured text file. */
ULZMAN_CORRECT_FILE_TEST("data.3"),
/* libcmocka.so.0.7.0 compressed by util/cbfs-compression-tool
Another binary file, shared object. */
ULZMAN_CORRECT_FILE_TEST("data.4"),
cmocka_unit_test(test_ulzman_input_too_small),
cmocka_unit_test(test_ulzman_zero_buffer),
};
return cb_run_group_tests(tests, NULL, NULL);
}
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