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 32 static struct { 33 const char *name; 34 time_t atime_sec; 35 } files[] = { 36 { "f0", 0 }, 37 { "f1", 0 }, 38 { "f2", 0 }, 39 { "f3", 0 }, 40 { "f4", 0 }, 41 { "f5", 0 } 42 }; 43 44 /* 45 * Create a bunch of test files and record their atimes. 46 * For the atime preserve/change tests, the files must have 47 * atimes in the past. We can accomplish this by explicitly invoking 48 * utime() on platforms that support it or by simply sleeping 49 * for a second after creating the files. (Creating all of the files 50 * at once means we only need to sleep once.) 51 */ 52 static void 53 test_create(void) 54 { 55 struct stat st; 56 struct utimbuf times; 57 static const int numfiles = sizeof(files) / sizeof(files[0]); 58 int i; 59 60 for (i = 0; i < numfiles; ++i) { 61 /* 62 * Note: Have to write at least one byte to the file. 63 * cpio doesn't bother reading the file if it's zero length, 64 * so the atime never gets changed in that case, which 65 * makes the tests below rather pointless. 66 */ 67 assertMakeFile(files[i].name, 0644, "a"); 68 69 /* If utime() isn't supported on your platform, just 70 * #ifdef this section out. Most of the test below is 71 * still valid. */ 72 memset(×, 0, sizeof(times)); 73 #if defined(_WIN32) && !defined(CYGWIN) 74 times.actime = 86400; 75 times.modtime = 86400; 76 #else 77 times.actime = 1; 78 times.modtime = 3; 79 #endif 80 assertEqualInt(0, utime(files[i].name, ×)); 81 82 /* Record whatever atime the file ended up with. */ 83 /* If utime() is available, this should be 1, but there's 84 * no harm in being careful. */ 85 assertEqualInt(0, stat(files[i].name, &st)); 86 files[i].atime_sec = st.st_atime; 87 } 88 89 /* Wait until the atime on the last file is actually in the past. */ 90 sleepUntilAfter(files[numfiles - 1].atime_sec); 91 } 92 93 DEFINE_TEST(test_option_a) 94 { 95 struct stat st; 96 int r; 97 char *p; 98 99 /* Create all of the test files. */ 100 test_create(); 101 102 /* Sanity check; verify that atimes really do get modified. */ 103 p = slurpfile(NULL, "f0"); 104 assert(p != NULL); 105 free(p); 106 assertEqualInt(0, stat("f0", &st)); 107 if (st.st_atime == files[0].atime_sec) { 108 skipping("Cannot verify -a option\n" 109 " Your system appears to not support atime."); 110 } 111 else 112 { 113 /* 114 * If this disk is mounted noatime, then we can't 115 * verify correct operation without -a. 116 */ 117 118 /* Copy the file without -a; should change the atime. */ 119 r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog); 120 assertEqualInt(r, 0); 121 assertTextFileContents("1 block\n", "copy-no-a.err"); 122 assertEmptyFile("copy-no-a.out"); 123 assertEqualInt(0, stat(files[1].name, &st)); 124 failure("Copying file without -a should have changed atime."); 125 assert(st.st_atime != files[1].atime_sec); 126 127 /* Archive the file without -a; should change the atime. */ 128 r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog); 129 assertEqualInt(r, 0); 130 assertTextFileContents("1 block\n", "copy-no-a.err"); 131 assertEqualInt(0, stat(files[2].name, &st)); 132 failure("Archiving file without -a should have changed atime."); 133 assert(st.st_atime != files[2].atime_sec); 134 } 135 136 /* 137 * We can, of course, still verify that the atime is unchanged 138 * when using the -a option. 139 */ 140 141 /* Copy the file with -a; should not change the atime. */ 142 r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err", 143 files[3].name, testprog); 144 assertEqualInt(r, 0); 145 assertTextFileContents("1 block\n", "copy-a.err"); 146 assertEmptyFile("copy-a.out"); 147 assertEqualInt(0, stat(files[3].name, &st)); 148 failure("Copying file with -a should not have changed atime."); 149 assertEqualInt(st.st_atime, files[3].atime_sec); 150 151 /* Archive the file with -a; should not change the atime. */ 152 r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err", 153 files[4].name, testprog); 154 assertEqualInt(r, 0); 155 assertTextFileContents("1 block\n", "copy-a.err"); 156 assertEqualInt(0, stat(files[4].name, &st)); 157 failure("Archiving file with -a should not have changed atime."); 158 assertEqualInt(st.st_atime, files[4].atime_sec); 159 } 160