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("$FreeBSD$"); 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(×, 0, sizeof(times)); 74 times.actime = 1; 75 times.modtime = 3; 76 assertEqualInt(0, utime(files[i].name, ×)); 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 p = slurpfile(NULL, "f0"); 100 assert(p != NULL); 101 free(p); 102 assertEqualInt(0, stat("f0", &st)); 103 if (st.st_atime == files[0].atime_sec) { 104 skipping("Cannot verify -a option\n" 105 " Your system appears to not support atime."); 106 } 107 else 108 { 109 /* 110 * If this disk is mounted noatime, then we can't 111 * verify correct operation without -a. 112 */ 113 114 /* Copy the file without -a; should change the atime. */ 115 r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog); 116 assertEqualInt(r, 0); 117 assertTextFileContents("1 block\n", "copy-no-a.err"); 118 assertEmptyFile("copy-no-a.out"); 119 assertEqualInt(0, stat(files[1].name, &st)); 120 failure("Copying file without -a should have changed atime."); 121 assert(st.st_atime != files[1].atime_sec); 122 123 /* Archive the file without -a; should change the atime. */ 124 r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog); 125 assertEqualInt(r, 0); 126 assertTextFileContents("1 block\n", "copy-no-a.err"); 127 assertEqualInt(0, stat(files[2].name, &st)); 128 failure("Archiving file without -a should have changed atime."); 129 assert(st.st_atime != files[2].atime_sec); 130 } 131 132 /* 133 * We can, of course, still verify that the atime is unchanged 134 * when using the -a option. 135 */ 136 137 /* Copy the file with -a; should not change the atime. */ 138 r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err", 139 files[3].name, testprog); 140 assertEqualInt(r, 0); 141 assertTextFileContents("1 block\n", "copy-a.err"); 142 assertEmptyFile("copy-a.out"); 143 assertEqualInt(0, stat(files[3].name, &st)); 144 failure("Copying file with -a should not have changed atime."); 145 assertEqualInt(st.st_atime, files[3].atime_sec); 146 147 /* Archive the file with -a; should not change the atime. */ 148 r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err", 149 files[4].name, testprog); 150 assertEqualInt(r, 0); 151 assertTextFileContents("1 block\n", "copy-a.err"); 152 assertEqualInt(0, stat(files[4].name, &st)); 153 failure("Archiving file with -a should not have changed atime."); 154 assertEqualInt(st.st_atime, files[4].atime_sec); 155 } 156