diff options
| -rw-r--r-- | tests/lib/Makefile.inc | 4 | ||||
| -rw-r--r-- | tests/lib/memset-test.c | 120 |
2 files changed, 124 insertions, 0 deletions
diff --git a/tests/lib/Makefile.inc b/tests/lib/Makefile.inc index 2c80b93439..23d8d34d45 100644 --- a/tests/lib/Makefile.inc +++ b/tests/lib/Makefile.inc @@ -14,6 +14,7 @@ tests-y += imd_cbmem-romstage-test tests-y += imd_cbmem-ramstage-test tests-y += region_file-test tests-y += stack-test +tests-y += memset-test string-test-srcs += tests/lib/string-test.c string-test-srcs += src/lib/string.c @@ -76,3 +77,6 @@ region_file-test-srcs += tests/stubs/console.c stack-test-srcs += tests/lib/stack-test.c stack-test-srcs += src/lib/stack.c stack-test-srcs += tests/stubs/console.c + +memset-test-srcs += tests/lib/memset-test.c +memset-test-srcs += src/lib/memset.c diff --git a/tests/lib/memset-test.c b/tests/lib/memset-test.c new file mode 100644 index 0000000000..1247577d08 --- /dev/null +++ b/tests/lib/memset-test.c @@ -0,0 +1,120 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <stdlib.h> +#include <tests/test.h> +#include <commonlib/helpers.h> +#include <types.h> +#include <string.h> + +#define MEMSET_BUFFER_SZ (4 * KiB) + +struct memset_test_state { + u8 *base_buffer; + u8 *helper_buffer; +}; + +static int setup_test(void **state) +{ + struct memset_test_state *s = malloc(sizeof(struct memset_test_state)); + + u8 *buf = malloc(MEMSET_BUFFER_SZ); + u8 *helper_buf = malloc(MEMSET_BUFFER_SZ); + if (!buf || !helper_buf) + goto error; + + s->base_buffer = buf; + s->helper_buffer = helper_buf; + *state = s; + + return 0; + +error: + free(buf); + free(helper_buf); + return -1; +} + +static int teardown_test(void **state) +{ + struct memset_test_state *s = *state; + + if (s) { + free(s->base_buffer); + free(s->helper_buffer); + } + + free(s); + + return 0; +} + +static void test_memset_full_range(void **state) +{ + struct memset_test_state *s = *state; + + for (int i = 0; i < MEMSET_BUFFER_SZ; ++i) + s->helper_buffer[i] = 0x42; + + memset(s->base_buffer, 0x42, MEMSET_BUFFER_SZ); + assert_memory_equal(s->base_buffer, s->helper_buffer, MEMSET_BUFFER_SZ); +} + +static void test_memset_subrange(void **state) +{ + struct memset_test_state *s = *state; + int i = 0; + + for (; i < MEMSET_BUFFER_SZ / 2; ++i) + s->helper_buffer[i] = 0xEF; + for (; i < MEMSET_BUFFER_SZ; ++i) + s->helper_buffer[i] = 0xCD; + + /* Expect correct buffer subranges to be filled */ + memset(s->base_buffer, 0xEF, MEMSET_BUFFER_SZ / 2); + memset(s->base_buffer + MEMSET_BUFFER_SZ / 2, 0xCD, MEMSET_BUFFER_SZ / 2); + assert_memory_equal(s->base_buffer, s->helper_buffer, MEMSET_BUFFER_SZ); +} + +static void test_memset_zero_size(void **state) +{ + struct memset_test_state *s = *state; + + for (int i = 0; i < MEMSET_BUFFER_SZ; ++i) { + s->base_buffer[i] = 0xFF; + s->helper_buffer[i] = 0xFF; + } + + /* Expect no change in buffer after calling memset with zero size */ + memset(s->base_buffer, 0xAA, 0); + assert_memory_equal(s->base_buffer, s->helper_buffer, MEMSET_BUFFER_SZ); +} + +static void test_memset_one_byte(void **state) +{ + struct memset_test_state *s = *state; + + for (int i = 0; i < MEMSET_BUFFER_SZ; ++i) { + s->base_buffer[i] = 0x66; + s->helper_buffer[i] = 0x66; + } + + s->helper_buffer[MEMSET_BUFFER_SZ / 4] = 0xCC; + memset(&s->base_buffer[MEMSET_BUFFER_SZ / 4], 0xCC, 1); + assert_memory_equal(s->base_buffer, s->helper_buffer, MEMSET_BUFFER_SZ); +} + +int main(void) +{ + const struct CMUnitTest tests[] = { + cmocka_unit_test_setup_teardown(test_memset_full_range, + setup_test, teardown_test), + cmocka_unit_test_setup_teardown(test_memset_subrange, + setup_test, teardown_test), + cmocka_unit_test_setup_teardown(test_memset_zero_size, + setup_test, teardown_test), + cmocka_unit_test_setup_teardown(test_memset_one_byte, + setup_test, teardown_test), + }; + + return cmocka_run_group_tests(tests, NULL, NULL); +} |