From 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:49:52 +0200 Subject: Adding upstream version 255.4. Signed-off-by: Daniel Baumann --- src/libsystemd/sd-journal/test-mmap-cache.c | 68 +++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/libsystemd/sd-journal/test-mmap-cache.c (limited to 'src/libsystemd/sd-journal/test-mmap-cache.c') diff --git a/src/libsystemd/sd-journal/test-mmap-cache.c b/src/libsystemd/sd-journal/test-mmap-cache.c new file mode 100644 index 0000000..ce5ea12 --- /dev/null +++ b/src/libsystemd/sd-journal/test-mmap-cache.c @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include +#include + +#include "fd-util.h" +#include "macro.h" +#include "mmap-cache.h" +#include "tests.h" +#include "tmpfile-util.h" + +int main(int argc, char *argv[]) { + MMapFileDescriptor *fx; + int x, y, z, r; + char px[] = "/tmp/testmmapXXXXXXX", py[] = "/tmp/testmmapYXXXXXX", pz[] = "/tmp/testmmapZXXXXXX"; + MMapCache *m; + void *p, *q; + + test_setup_logging(LOG_DEBUG); + + assert_se(m = mmap_cache_new()); + + x = mkostemp_safe(px); + assert_se(x >= 0); + (void) unlink(px); + + assert_se(mmap_cache_add_fd(m, x, PROT_READ, &fx) > 0); + + y = mkostemp_safe(py); + assert_se(y >= 0); + (void) unlink(py); + + z = mkostemp_safe(pz); + assert_se(z >= 0); + (void) unlink(pz); + + r = mmap_cache_fd_get(fx, 0, false, 1, 2, NULL, &p); + assert_se(r >= 0); + + r = mmap_cache_fd_get(fx, 0, false, 2, 2, NULL, &q); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 1 == (uint8_t*) q); + + r = mmap_cache_fd_get(fx, 1, false, 3, 2, NULL, &q); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 2 == (uint8_t*) q); + + r = mmap_cache_fd_get(fx, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL, &p); + assert_se(r >= 0); + + r = mmap_cache_fd_get(fx, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL, &q); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 1 == (uint8_t*) q); + + mmap_cache_fd_free(fx); + mmap_cache_unref(m); + + safe_close(x); + safe_close(y); + safe_close(z); + + return 0; +} -- cgit v1.2.3