From 0344c602eadc0802776b65ff90f0a02c856cf53c Mon Sep 17 00:00:00 2001 From: Tom Rini Date: Tue, 8 Oct 2024 13:56:50 -0600 Subject: Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd git-subtree-dir: lib/mbedtls/external/mbedtls git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206 --- tests/suites/test_suite_test_helpers.function | 40 +++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 tests/suites/test_suite_test_helpers.function (limited to 'tests/suites/test_suite_test_helpers.function') diff --git a/tests/suites/test_suite_test_helpers.function b/tests/suites/test_suite_test_helpers.function new file mode 100644 index 00000000000..8c5d5adf654 --- /dev/null +++ b/tests/suites/test_suite_test_helpers.function @@ -0,0 +1,40 @@ +/* BEGIN_HEADER */ + +/* Test some parts of the test framework. */ + +#include +#include + +/* END_HEADER */ + +/* BEGIN_DEPENDENCIES */ + +/* END_DEPENDENCIES */ + +/* BEGIN_CASE depends_on:MBEDTLS_TEST_MEMORY_CAN_POISON */ +/* Test that poison+unpoison leaves the memory accessible. */ +/* We can't test that poisoning makes the memory inaccessible: + * there's no sane way to catch an Asan/Valgrind complaint. + * That negative testing is done in programs/test/metatest.c. */ +void memory_poison_unpoison(int align, int size) +{ + unsigned char *buf = NULL; + const size_t buffer_size = align + size; + TEST_CALLOC(buf, buffer_size); + + for (size_t i = 0; i < buffer_size; i++) { + buf[i] = (unsigned char) (i & 0xff); + } + + const unsigned char *start = buf == NULL ? NULL : buf + align; + mbedtls_test_memory_poison(start, (size_t) size); + mbedtls_test_memory_unpoison(start, (size_t) size); + + for (size_t i = 0; i < buffer_size; i++) { + TEST_EQUAL(buf[i], (unsigned char) (i & 0xff)); + } + +exit: + mbedtls_free(buf); +} +/* END_CASE */ -- cgit v1.3.1