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t_io.c revision 1.2 
      1 /*	$NetBSD: t_io.c,v 1.2 2010/11/11 16:03:55 pooka Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/stat.h>
     30 #include <sys/statvfs.h>
     31 
     32 #include <atf-c.h>
     33 #include <fcntl.h>
     34 #include <libgen.h>
     35 #include <stdlib.h>
     36 #include <unistd.h>
     37 
     38 #include <rump/rump_syscalls.h>
     39 #include <rump/rump.h>
     40 
     41 #include "../common/h_fsmacros.h"
     42 #include "../../h_macros.h"
     43 
     44 static void
     45 holywrite(const atf_tc_t *tc, const char *mp)
     46 {
     47 	char buf[1024];
     48 	char *b2, *b3;
     49 	size_t therange = getpagesize()+1;
     50 	int fd;
     51 
     52 	RL(rump_sys_chdir(mp));
     53 
     54 	RL(fd = rump_sys_open("file", O_RDWR|O_CREAT|O_TRUNC, 0666));
     55 
     56 	memset(buf, 'A', sizeof(buf));
     57 	RL(rump_sys_pwrite(fd, buf, 1, getpagesize()));
     58 
     59 	memset(buf, 'B', sizeof(buf));
     60 	RL(rump_sys_pwrite(fd, buf, 2, 0xfff));
     61 
     62 	REQUIRE_LIBC(b2 = malloc(2 * getpagesize()), NULL);
     63 	REQUIRE_LIBC(b3 = malloc(2 * getpagesize()), NULL);
     64 
     65 	RL(rump_sys_pread(fd, b2, therange, 0));
     66 
     67 	memset(b3, 0, therange);
     68 	memset(b3 + getpagesize() - 1, 'B', 2);
     69 
     70 	ATF_REQUIRE_EQ(memcmp(b2, b3, therange), 0);
     71 
     72 	rump_sys_close(fd);
     73 	rump_sys_chdir("/");
     74 }
     75 
     76 ATF_TC_FSAPPLY(holywrite, "create a sparse file and fill hole");
     77 
     78 ATF_TP_ADD_TCS(tp)
     79 {
     80 
     81 	ATF_TP_FSAPPLY(holywrite);
     82 
     83 	return atf_no_error();
     84 }
     85