diff options
Diffstat (limited to 'tests/lib/lzma-test.c')
| -rw-r--r-- | tests/lib/lzma-test.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/tests/lib/lzma-test.c b/tests/lib/lzma-test.c new file mode 100644 index 000000000000..3918890e8e83 --- /dev/null +++ b/tests/lib/lzma-test.c @@ -0,0 +1,190 @@ +/* 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]; + 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); +} |