diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/libutil/Makemodule.am | 5 | ||||
| -rw-r--r-- | tests/libutil/is_memory_zero.c | 32 |
2 files changed, 36 insertions, 1 deletions
diff --git a/tests/libutil/Makemodule.am b/tests/libutil/Makemodule.am index 1fe4ebf..27d6341 100644 --- a/tests/libutil/Makemodule.am +++ b/tests/libutil/Makemodule.am @@ -12,8 +12,11 @@ test_threadpool_SOURCES = tests/libutil/threadpool.c test_threadpool_CFLAGS = $(AM_CFLAGS) $(PTHREAD_CFLAGS) test_threadpool_LDADD = libutil.a libcompat.a $(PTHREAD_LIBS) +test_ismemzero_SOURCES = tests/libutil/is_memory_zero.c +test_ismemzero_LDADD = libutil.a libcompat.a + LIBUTIL_TESTS = \ - test_str_table test_rbtree test_xxhash test_threadpool + test_str_table test_rbtree test_xxhash test_threadpool test_ismemzero check_PROGRAMS += $(LIBUTIL_TESTS) TESTS += $(LIBUTIL_TESTS) diff --git a/tests/libutil/is_memory_zero.c b/tests/libutil/is_memory_zero.c new file mode 100644 index 0000000..20bd93f --- /dev/null +++ b/tests/libutil/is_memory_zero.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * is_memory_zero.c + * + * Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at> + */ +#include "config.h" + +#include "../test.h" +#include "util.h" + +int main(void) +{ + unsigned char temp[1024]; + size_t i, j; + + memset(temp, 0, sizeof(temp)); + + for (i = 0; i < sizeof(temp); ++i) { + TEST_ASSERT(is_memory_zero(temp, i)); + + for (j = 0; j < i; ++j) { + TEST_ASSERT(is_memory_zero(temp, i)); + temp[j] = 42; + TEST_ASSERT(!is_memory_zero(temp, i)); + temp[j] = 0; + TEST_ASSERT(is_memory_zero(temp, i)); + } + } + + return EXIT_SUCCESS; +} |