375 lines
8.7 KiB
C
375 lines
8.7 KiB
C
/*
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test-files.c - test file management
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Copyright (C) Lumiera.org
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2008, Christian Thaeter <ct@pipapo.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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//#include <stdio.h>
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//#include <string.h>
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#include "lib/llist.h"
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#include "common/config.h"
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#include "backend/backend.h"
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#include "backend/file.h"
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#include "backend/filedescriptor.h"
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#include "backend/mmapings.h"
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#include "backend/mmap.h"
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#include "tests/test.h"
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/mman.h>
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TESTS_BEGIN
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/*
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The first two are not really tests, but some code to check for
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filesystem and kernel semantics which might be moved elsewhere someday
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*/
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TEST (mmap_semantic)
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{
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int fd = open (",mmaptest", O_RDWR|O_CREAT, 0666);
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printf ("got fd %d\n", fd);
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printf ("error %s\n", strerror (errno));
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int dummy = ftruncate (fd, 8192);
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(void)dummy;
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TODO ("handle error case better");
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void* addr = mmap (NULL,
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8192,
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PROT_WRITE,
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MAP_SHARED,
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fd,
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0);
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printf ("mapped at %p\n", addr);
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printf ("error %s\n", strerror (errno));
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int i = 0;
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while (++i && ! errno)
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{
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addr = mmap (NULL,
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4096,
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PROT_READ|PROT_WRITE,
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MAP_SHARED,
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fd,
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0);
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printf ("mapped %d again %p\n", i, addr);
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printf ("error %s\n", strerror (errno));
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}
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}
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TEST (fd_semantic)
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{
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mkdir (",testdir", 0777); errno = 0;
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int i = 0;
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while (++i && ! errno)
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{
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char name[256];
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sprintf (name, ",testdir/file_%d", i);
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int fd = open (name, O_RDWR|O_CREAT, 0666);
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printf ("#%d opened %d\n", i, fd);
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printf ("error %s\n", strerror (errno));
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void* addr = mmap (NULL,
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8192,
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PROT_WRITE,
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MAP_SHARED,
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fd,
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0);
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printf ("mapped at %p\n", addr);
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close (fd);
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}
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}
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TEST (mmap_missing_chunksize)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_CREATE);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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if (!mmaps)
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fprintf (stderr, "%s\n", lumiera_error());
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lumiera_file_delete (file);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (mmap_forget_releasing)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_CREATE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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LumieraMMap map = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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(void) map; //lumiera_mmapings_release_mmap (mmaps, &user, mmap);
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lumiera_file_delete (file);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (mmap_simple)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_CREATE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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LumieraMMap map = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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lumiera_mmapings_release_mmap (mmaps, map);
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lumiera_file_delete (file);
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/* check that the file got truncated to the desired size */
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struct stat st;
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stat (",tmp-filemmap", &st);
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CHECK (st.st_size == 100);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (mmap_checkout_twice)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_CREATE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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LumieraMMap map = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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LumieraMMap map2 = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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CHECK (map->address == map2->address);
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lumiera_mmapings_release_mmap (mmaps, map);
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lumiera_mmapings_release_mmap (mmaps, map2);
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lumiera_file_delete (file);
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/* check that the file got truncated to the desired size */
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struct stat st;
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stat (",tmp-filemmap", &st);
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CHECK (st.st_size == 100);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (mmap_checkout_again)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_CREATE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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LumieraMMap map = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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lumiera_mmapings_release_mmap (mmaps, map);
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LumieraMMap map2 = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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lumiera_mmapings_release_mmap (mmaps, map2);
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lumiera_file_delete (file);
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/* check that the file got truncated to the desired size */
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struct stat st;
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stat (",tmp-filemmap", &st);
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CHECK (st.st_size == 100);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (mmap_grow_existing_file)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_READWRITE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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LumieraMMap map = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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lumiera_mmapings_release_mmap (mmaps, map);
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lumiera_file_delete (file);
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/* check that the file got truncated to the desired size */
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struct stat st;
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stat (",tmp-filemmap", &st);
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CHECK (st.st_size == 100);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (mmap_readonly_file)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_READONLY);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMapings mmaps = lumiera_file_mmapings (file);
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LumieraMMap map = lumiera_mmapings_mmap_acquire (mmaps, file, 0, 100);
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lumiera_mmapings_release_mmap (mmaps, map);
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lumiera_file_delete (file);
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/* check that the file got truncated to the desired size */
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struct stat st;
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stat (",tmp-filemmap", &st);
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CHECK (st.st_size == 100);
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lumiera_backend_destroy ();
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lumiera_config_destroy ();
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}
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TEST (file_access)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_RECREATE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LumieraMMap map = lumiera_file_mmap_acquire (file, 10, 100);
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char* addr = lumiera_mmap_address (map, 20);
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strcpy (addr, "test");
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lumiera_file_release_mmap (file, map);
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lumiera_file_delete (file);
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lumiera_backend_destroy ();
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}
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TEST (exact_mmap)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_RECREATE);
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LumieraMMap map = lumiera_mmap_new_exact (file, 0, 6);
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char* addr = lumiera_mmap_address (map, 1);
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strcpy (addr, "test");
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lumiera_mmap_delete (map);
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lumiera_file_delete (file);
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lumiera_backend_destroy ();
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}
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TEST (mmap_section)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_RECREATE);
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lumiera_file_set_chunksize_bias (file, 4096, 0);
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LUMIERA_FILE_MMAP_SECTION (NOBUG_ON, file, 20, 20, addr)
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{
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strcpy (addr, "mmap section");
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}
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CHECK(lumiera_error_peek() == NULL);
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lumiera_file_delete (file);
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lumiera_backend_destroy ();
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}
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TEST (mmap_section_err)
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{
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lumiera_backend_init ();
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LumieraFile file = lumiera_file_new (",tmp-filemmap", LUMIERA_FILE_RECREATE);
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/* forgot to set lumiera_file_chunksize_set (file, 4096); */
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LUMIERA_FILE_MMAP_SECTION (NOBUG_ON, file, 20, 20, addr)
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{
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strcpy (addr, "mmap section");
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}
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CHECK(lumiera_error_peek() == NULL);
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lumiera_file_delete (file);
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lumiera_backend_destroy ();
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}
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#if 0
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TEST (refactored_usage)
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{
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LumieraFile file = lumiera_file_new ("filename", mode);
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LumieraFrameIndex index = lumiera_frameindex_new ("indexfilename", file /*, indexing engine*/);
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LumieraFrame frame = lumiera_frameindex_frame (index, 123);
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//TAG+HINTS could be NEXT|PREV|EXACT|NEAREST|HARD|SOFT
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lumiera_frame_prefetch (index, 123);
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lumiera_frame_release (frame);
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lumiera_frameindex_delete (index);
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lumiera_file_free (file);
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}
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#endif
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TESTS_END
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