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tests: lib: cbprintf: Add tests for fsc package

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Added tests for fully self-contained packages and use of
CBPRINTF_PACKAGE_ADD_STRING_IDXS flag.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2021-07-23 07:12:59 +02:00 • committed by Carles Cufí
commit 1b27804ba3
1 changed files with 140 additions and 1 deletions
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141
tests/lib/cbprintf_package/src/test.inc
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@ -134,6 +134,143 @@ void test_cbprintf_package(void)
} }
} }
void test_cbprintf_rw_str_indexes(void)
{
int len0, len1, len2;
static const char *test_str = "test %d %s";
static const char *test_str1 = "lorem ipsum";
uint8_t str_idx;
char *addr;
len0 = cbprintf_package(NULL, 0, 0, test_str, 100, test_str1);
if (len0 > (int)(4 * sizeof(void *))) {
TC_PRINT("Skipping test, platform does not detect RO strings.\n");
ztest_test_skip();
}
len1 = cbprintf_package(NULL, 0, CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
CBPRINTF_STATIC_PACKAGE(NULL, 0, len2, 0,
CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
/* package with string indexes will contain two more bytes holding indexes
* of string parameter locations.
*/
zassert_equal(len0 + 2, len1, NULL);
zassert_equal(len0 + 2, len2, NULL);
uint8_t __aligned(CBPRINTF_PACKAGE_ALIGNMENT) package0[len0];
uint8_t __aligned(CBPRINTF_PACKAGE_ALIGNMENT) package1[len1];
uint8_t __aligned(CBPRINTF_PACKAGE_ALIGNMENT) package2[len2];
len0 = cbprintf_package(package0, sizeof(package0), 0,
test_str, 100, test_str1);
len1 = cbprintf_package(package1, sizeof(package1) - 1,
CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
zassert_equal(-ENOSPC, len1, NULL);
CBPRINTF_STATIC_PACKAGE(package2, sizeof(package2) - 1, len2, 0,
CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
zassert_equal(-ENOSPC, len2, NULL);
len1 = cbprintf_package(package1, sizeof(package1),
CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
zassert_equal(len0 + 2, len1, NULL);
CBPRINTF_STATIC_PACKAGE(package2, sizeof(package2), len2, 0,
CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
zassert_equal(len0 + 2, len2, NULL);
struct z_cbprintf_desc *desc0 = (struct z_cbprintf_desc *)package0;
struct z_cbprintf_desc *desc1 = (struct z_cbprintf_desc *)package1;
struct z_cbprintf_desc *desc2 = (struct z_cbprintf_desc *)package2;
/* Compare descriptor content. Second package has one ro string index. */
zassert_equal(desc0->ro_str_cnt, 0, NULL);
zassert_equal(desc1->ro_str_cnt, 2, NULL);
zassert_equal(desc2->ro_str_cnt, 2, NULL);
int *p = (int *)package1;
str_idx = package1[len0];
addr = *(char **)&p[str_idx];
zassert_equal(addr, test_str, NULL);
str_idx = package2[len0];
addr = *(char **)&p[str_idx];
zassert_equal(addr, test_str, NULL);
str_idx = package1[len0 + 1];
addr = *(char **)&p[str_idx];
zassert_equal(addr, test_str1, NULL);
str_idx = package2[len0 + 1];
addr = *(char **)&p[str_idx];
zassert_equal(addr, test_str1, NULL);
}
static void test_cbprintf_fsc_package(void)
{
int len;
static const char *test_str = "test %d %s";
static const char *test_str1 = "lorem ipsum";
char *addr;
int fsc_len;
len = cbprintf_package(NULL, 0, CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
if (len > (int)(4 * sizeof(void *) + 2)) {
TC_PRINT("Skipping test, platform does not detect RO strings.\n");
ztest_test_skip();
}
uint8_t __aligned(CBPRINTF_PACKAGE_ALIGNMENT) package[len];
len = cbprintf_package(package, sizeof(package),
CBPRINTF_PACKAGE_ADD_STRING_IDXS,
test_str, 100, test_str1);
struct z_cbprintf_desc *desc = (struct z_cbprintf_desc *)package;
zassert_equal(desc->ro_str_cnt, 2, NULL);
zassert_equal(desc->str_cnt, 0, NULL);
/* Get length of fsc package. */
fsc_len = cbprintf_fsc_package(package, len, NULL, 0);
int exp_len = len + (int)strlen(test_str) + 1 + (int)strlen(test_str1) + 1;
zassert_equal(exp_len, fsc_len, NULL);
uint8_t __aligned(CBPRINTF_PACKAGE_ALIGNMENT) fsc_package[fsc_len];
fsc_len = cbprintf_fsc_package(package, len, fsc_package, sizeof(fsc_package) - 1);
zassert_equal(fsc_len, -ENOSPC, NULL);
fsc_len = cbprintf_fsc_package(package, len, fsc_package, sizeof(fsc_package));
zassert_equal((int)sizeof(fsc_package), fsc_len, NULL);
/* New package has no RO string locations, only copied one. */
desc = (struct z_cbprintf_desc *)fsc_package;
zassert_equal(desc->ro_str_cnt, 0, NULL);
zassert_equal(desc->str_cnt, 2, NULL);
/* Get pointer to the first string in the package. */
addr = (char *)&fsc_package[desc->len * sizeof(int) + 1];
zassert_equal(strcmp(test_str, addr), 0, NULL);
/* Get address of the second string. */
addr += strlen(addr) + 2;
zassert_equal(strcmp(test_str1, addr), 0, NULL);
}
#if __cplusplus #if __cplusplus
extern "C" void test_cxx(void); extern "C" void test_cxx(void);
void test_cxx(void) void test_cxx(void)
@ -154,7 +291,9 @@ void test_cc(void)
#endif #endif
ztest_test_suite(cbprintf_package, ztest_test_suite(cbprintf_package,
ztest_unit_test(test_cbprintf_package) ztest_unit_test(test_cbprintf_package),
ztest_unit_test(test_cbprintf_rw_str_indexes),
ztest_unit_test(test_cbprintf_fsc_package)
); );
ztest_run_test_suite(cbprintf_package); ztest_run_test_suite(cbprintf_package);