From 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 15:00:47 +0200 Subject: Adding upstream version 247.3. Signed-off-by: Daniel Baumann --- src/journal/test-mmap-cache.c | 66 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 src/journal/test-mmap-cache.c (limited to 'src/journal/test-mmap-cache.c') diff --git a/src/journal/test-mmap-cache.c b/src/journal/test-mmap-cache.c new file mode 100644 index 0000000..d1d2876 --- /dev/null +++ b/src/journal/test-mmap-cache.c @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include +#include + +#include "fd-util.h" +#include "macro.h" +#include "mmap-cache.h" +#include "tmpfile-util.h" +#include "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; + + assert_se(m = mmap_cache_new()); + + x = mkostemp_safe(px); + assert_se(x >= 0); + unlink(px); + + assert_se(fx = mmap_cache_add_fd(m, x)); + + y = mkostemp_safe(py); + assert_se(y >= 0); + unlink(py); + + z = mkostemp_safe(pz); + assert_se(z >= 0); + unlink(pz); + + r = mmap_cache_get(m, fx, PROT_READ, 0, false, 1, 2, NULL, &p, NULL); + assert_se(r >= 0); + + r = mmap_cache_get(m, fx, PROT_READ, 0, false, 2, 2, NULL, &q, NULL); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 1 == (uint8_t*) q); + + r = mmap_cache_get(m, fx, PROT_READ, 1, false, 3, 2, NULL, &q, NULL); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 2 == (uint8_t*) q); + + r = mmap_cache_get(m, fx, PROT_READ, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL, &p, NULL); + assert_se(r >= 0); + + r = mmap_cache_get(m, fx, PROT_READ, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL, &q, NULL); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 1 == (uint8_t*) q); + + mmap_cache_free_fd(m, fx); + mmap_cache_unref(m); + + safe_close(x); + safe_close(y); + safe_close(z); + + return 0; +} -- cgit v1.2.3