external/bsd/libarchive/dist/cpio/test/test_option_a.c

   1 /*-
   2  * Copyright (c) 2003-2008 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #include "test.h"
  26 #if defined(HAVE_UTIME_H)
  27 #include <utime.h>
  28 #elif defined(HAVE_SYS_UTIME_H)
  29 #include <sys/utime.h>
  30 #endif
  31 __FBSDID("$FreeBSD: src/usr.bin/cpio/test/test_option_a.c,v 1.3 2008/08/24 06:21:00 kientzle Exp $");
  32
  33 static struct {
  34         const char *name;
  35         time_t atime_sec;
  36 } files[] = {
  37         { "f0", 0 },
  38         { "f1", 0 },
  39         { "f2", 0 },
  40         { "f3", 0 },
  41         { "f4", 0 },
  42         { "f5", 0 }
  43 };
  44
  45 /*
  46  * Create a bunch of test files and record their atimes.
  47  * For the atime preserve/change tests, the files must have
  48  * atimes in the past.  We can accomplish this by explicitly invoking
  49  * utime() on platforms that support it or by simply sleeping
  50  * for a second after creating the files.  (Creating all of the files
  51  * at once means we only need to sleep once.)
  52  */
  53 static void
  54 test_create(void)
  55 {
  56         struct stat st;
  57         struct utimbuf times;
  58         static const int numfiles = sizeof(files) / sizeof(files[0]);
  59         int i;
  60
  61         for (i = 0; i < numfiles; ++i) {
  62                 /*
  63                  * Note: Have to write at least one byte to the file.
  64                  * cpio doesn't bother reading the file if it's zero length,
  65                  * so the atime never gets changed in that case, which
  66                  * makes the tests below rather pointless.
  67                  */
  68                 assertMakeFile(files[i].name, 0644, "a");
  69
  70                 /* If utime() isn't supported on your platform, just
  71                  * #ifdef this section out.  Most of the test below is
  72                  * still valid. */
  73                 memset(&times, 0, sizeof(times));
  74                 times.actime = 1;
  75                 times.modtime = 3;
  76                 assertEqualInt(0, utime(files[i].name, &times));
  77
  78                 /* Record whatever atime the file ended up with. */
  79                 /* If utime() is available, this should be 1, but there's
  80                  * no harm in being careful. */
  81                 assertEqualInt(0, stat(files[i].name, &st));
  82                 files[i].atime_sec = st.st_atime;
  83         }
  84
  85         /* Wait until the atime on the last file is actually in the past. */
  86         sleepUntilAfter(files[numfiles - 1].atime_sec);
  87 }
  88
  89 DEFINE_TEST(test_option_a)
  90 {
  91         struct stat st;
  92         int r;
  93         char *p;
  94
  95         /* Create all of the test files. */
  96         test_create();
  97
  98         /* Sanity check; verify that atimes really do get modified. */
  99         assert((p = slurpfile(NULL, "f0")) != NULL);
 100         free(p);
 101         assertEqualInt(0, stat("f0", &st));
 102         if (st.st_atime == files[0].atime_sec) {
 103                 skipping("Cannot verify -a option\n"
 104                     "      Your system appears to not support atime.");
 105         }
 106         else
 107         {
 108                 /*
 109                  * If this disk is mounted noatime, then we can't
 110                  * verify correct operation without -a.
 111                  */
 112
 113                 /* Copy the file without -a; should change the atime. */
 114                 r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog);
 115                 assertEqualInt(r, 0);
 116                 assertTextFileContents("1 block\n", "copy-no-a.err");
 117                 assertEmptyFile("copy-no-a.out");
 118                 assertEqualInt(0, stat(files[1].name, &st));
 119                 failure("Copying file without -a should have changed atime.");
 120                 assert(st.st_atime != files[1].atime_sec);
 121
 122                 /* Archive the file without -a; should change the atime. */
 123                 r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog);
 124                 assertEqualInt(r, 0);
 125                 assertTextFileContents("1 block\n", "copy-no-a.err");
 126                 assertEqualInt(0, stat(files[2].name, &st));
 127                 failure("Archiving file without -a should have changed atime.");
 128                 assert(st.st_atime != files[2].atime_sec);
 129         }
 130
 131         /*
 132          * We can, of course, still verify that the atime is unchanged
 133          * when using the -a option.
 134          */
 135
 136         /* Copy the file with -a; should not change the atime. */
 137         r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err",
 138             files[3].name, testprog);
 139         assertEqualInt(r, 0);
 140         assertTextFileContents("1 block\n", "copy-a.err");
 141         assertEmptyFile("copy-a.out");
 142         assertEqualInt(0, stat(files[3].name, &st));
 143         failure("Copying file with -a should not have changed atime.");
 144         assertEqualInt(st.st_atime, files[3].atime_sec);
 145
 146         /* Archive the file with -a; should not change the atime. */
 147         r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err",
 148             files[4].name, testprog);
 149         assertEqualInt(r, 0);
 150         assertTextFileContents("1 block\n", "copy-a.err");
 151         assertEqualInt(0, stat(files[4].name, &st));
 152         failure("Archiving file with -a should not have changed atime.");
 153         assertEqualInt(st.st_atime, files[4].atime_sec);
 154 }