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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "memory-util.h"
#include "tests.h"
TEST(eqzero) {
const uint32_t zeros[] = {0, 0, 0};
const uint32_t ones[] = {1, 1};
const uint32_t mixed[] = {0, 1, 0, 0, 0};
const uint8_t longer[] = {[55] = 255};
assert_se(eqzero(zeros));
assert_se(!eqzero(ones));
assert_se(!eqzero(mixed));
assert_se(!eqzero(longer));
}
static void my_destructor(struct iovec *iov, size_t n) {
/* not really a destructor, just something we can use to check if the destruction worked */
memset(iov, 'y', sizeof(struct iovec) * n);
}
TEST(cleanup_array) {
struct iovec *iov, *saved_iov;
size_t n, saved_n;
n = 7;
iov = new(struct iovec, n);
assert_se(iov);
memset(iov, 'x', sizeof(struct iovec) * n);
saved_iov = iov;
saved_n = n;
{
assert_se(memeqbyte('x', saved_iov, sizeof(struct iovec) * saved_n));
assert_se(iov);
assert_se(n > 0);
CLEANUP_ARRAY(iov, n, my_destructor);
assert_se(memeqbyte('x', saved_iov, sizeof(struct iovec) * saved_n));
assert_se(iov);
assert_se(n > 0);
}
assert_se(memeqbyte('y', saved_iov, sizeof(struct iovec) * saved_n));
assert_se(!iov);
assert_se(n == 0);
free(saved_iov);
}
TEST(page_align) {
assert_se(PAGE_ALIGN(page_size() - 1) == page_size());
assert_se(PAGE_ALIGN(page_size() ) == page_size());
assert_se(PAGE_ALIGN(page_size() + 1) == page_size() * 2);
assert_se(PAGE_ALIGN(page_size() * 123 - 1) == page_size() * 123);
assert_se(PAGE_ALIGN(page_size() * 123 ) == page_size() * 123);
assert_se(PAGE_ALIGN(page_size() * 123 + 1) == page_size() * 124);
assert_se(PAGE_ALIGN(SIZE_MAX - page_size() - 1) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_ALIGN(SIZE_MAX - page_size() ) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_ALIGN(SIZE_MAX - page_size() + 1) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_ALIGN(SIZE_MAX - page_size() + 2) == SIZE_MAX); /* overflow */
assert_se(PAGE_ALIGN(SIZE_MAX) == SIZE_MAX); /* overflow */
assert_se(PAGE_ALIGN_U64(page_size() - 1) == page_size());
assert_se(PAGE_ALIGN_U64(page_size() ) == page_size());
assert_se(PAGE_ALIGN_U64(page_size() + 1) == page_size() * 2);
assert_se(PAGE_ALIGN_U64(page_size() * 123 - 1) == page_size() * 123);
assert_se(PAGE_ALIGN_U64(page_size() * 123 ) == page_size() * 123);
assert_se(PAGE_ALIGN_U64(page_size() * 123 + 1) == page_size() * 124);
assert_se(PAGE_ALIGN_U64(UINT64_MAX - page_size() - 1) == UINT64_MAX - page_size() + 1);
assert_se(PAGE_ALIGN_U64(UINT64_MAX - page_size() ) == UINT64_MAX - page_size() + 1);
assert_se(PAGE_ALIGN_U64(UINT64_MAX - page_size() + 1) == UINT64_MAX - page_size() + 1);
assert_se(PAGE_ALIGN_U64(UINT64_MAX - page_size() + 2) == UINT64_MAX); /* overflow */
assert_se(PAGE_ALIGN_U64(UINT64_MAX) == UINT64_MAX); /* overflow */
assert_se(PAGE_ALIGN_DOWN(page_size() - 1) == 0);
assert_se(PAGE_ALIGN_DOWN(page_size() ) == page_size());
assert_se(PAGE_ALIGN_DOWN(page_size() + 1) == page_size());
assert_se(PAGE_ALIGN_DOWN(page_size() * 123 - 1) == page_size() * 122);
assert_se(PAGE_ALIGN_DOWN(page_size() * 123 ) == page_size() * 123);
assert_se(PAGE_ALIGN_DOWN(page_size() * 123 + 1) == page_size() * 123);
assert_se(PAGE_ALIGN_DOWN(SIZE_MAX - page_size() - 1) == SIZE_MAX - page_size() * 2 + 1);
assert_se(PAGE_ALIGN_DOWN(SIZE_MAX - page_size() ) == SIZE_MAX - page_size() * 2 + 1);
assert_se(PAGE_ALIGN_DOWN(SIZE_MAX - page_size() + 1) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_ALIGN_DOWN(SIZE_MAX - page_size() + 2) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_ALIGN_DOWN_U64(page_size() - 1) == 0);
assert_se(PAGE_ALIGN_DOWN_U64(page_size() ) == page_size());
assert_se(PAGE_ALIGN_DOWN_U64(page_size() + 1) == page_size());
assert_se(PAGE_ALIGN_DOWN_U64(page_size() * 123 - 1) == page_size() * 122);
assert_se(PAGE_ALIGN_DOWN_U64(page_size() * 123 ) == page_size() * 123);
assert_se(PAGE_ALIGN_DOWN_U64(page_size() * 123 + 1) == page_size() * 123);
assert_se(PAGE_ALIGN_DOWN_U64(SIZE_MAX - page_size() - 1) == SIZE_MAX - page_size() * 2 + 1);
assert_se(PAGE_ALIGN_DOWN_U64(SIZE_MAX - page_size() ) == SIZE_MAX - page_size() * 2 + 1);
assert_se(PAGE_ALIGN_DOWN_U64(SIZE_MAX - page_size() + 1) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_ALIGN_DOWN_U64(SIZE_MAX - page_size() + 2) == SIZE_MAX - page_size() + 1);
assert_se(PAGE_OFFSET(page_size() - 1) == page_size() - 1);
assert_se(PAGE_OFFSET(page_size() ) == 0);
assert_se(PAGE_OFFSET(page_size() + 1) == 1);
assert_se(PAGE_OFFSET(page_size() * 123 - 1) == page_size() - 1);
assert_se(PAGE_OFFSET(page_size() * 123 ) == 0);
assert_se(PAGE_OFFSET(page_size() * 123 + 1) == 1);
assert_se(PAGE_OFFSET(SIZE_MAX - page_size() - 1) == page_size() - 2);
assert_se(PAGE_OFFSET(SIZE_MAX - page_size() ) == page_size() - 1);
assert_se(PAGE_OFFSET(SIZE_MAX - page_size() + 1) == 0);
assert_se(PAGE_OFFSET(SIZE_MAX - page_size() + 2) == 1);
assert_se(PAGE_OFFSET_U64(page_size() - 1) == page_size() - 1);
assert_se(PAGE_OFFSET_U64(page_size() ) == 0);
assert_se(PAGE_OFFSET_U64(page_size() + 1) == 1);
assert_se(PAGE_OFFSET_U64(page_size() * 123 - 1) == page_size() - 1);
assert_se(PAGE_OFFSET_U64(page_size() * 123 ) == 0);
assert_se(PAGE_OFFSET_U64(page_size() * 123 + 1) == 1);
assert_se(PAGE_OFFSET_U64(UINT64_MAX - page_size() - 1) == page_size() - 2);
assert_se(PAGE_OFFSET_U64(UINT64_MAX - page_size() ) == page_size() - 1);
assert_se(PAGE_OFFSET_U64(UINT64_MAX - page_size() + 1) == 0);
assert_se(PAGE_OFFSET_U64(UINT64_MAX - page_size() + 2) == 1);
}
DEFINE_TEST_MAIN(LOG_INFO);
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