2 * Copyright (c) 2003-2008 Tim Kientzle
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14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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27 __FBSDID("$FreeBSD$");
42 * Create a bunch of test files and record their atimes.
43 * For the atime preserve/change tests, the files must have
44 * atimes in the past. We can accomplish this by explicitly invoking
45 * utime() on platforms that support it or by simply sleeping
46 * for a second after creating the files. (Creating all of the files
47 * at once means we only need to sleep once.)
54 static const int numfiles = sizeof(files) / sizeof(files[0]);
58 for (i = 0; i < numfiles; ++i) {
59 fd = open(files[i].name, O_CREAT | O_WRONLY, 0644);
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.
67 assertEqualInt(1, write(fd, "a", 1));
70 /* If utime() isn't supported on your platform, just
71 * #ifdef this section out. Most of the test below is
73 memset(×, 0, sizeof(times));
76 assertEqualInt(0, utime(files[i].name, ×));
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;
85 /* Wait until the atime on the last file is actually in the past. */
86 /* If utime() is supported above, there's no sleep here which
87 * makes the test faster. */
88 while (files[numfiles - 1].atime_sec >= time(NULL))
92 DEFINE_TEST(test_option_a)
99 /* Create all of the test files. */
102 /* Sanity check; verify that atimes really do get modified. */
103 f = open(files[0].name, O_RDONLY);
104 assertEqualInt(1, read(f,buff, 1));
105 assertEqualInt(0, close(f));
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.");
114 * If this disk is mounted noatime, then we can't
115 * verify correct operation without -a.
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 assertFileContents("1 block\n", 8, "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);
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 assertFileContents("1 block\n", 8, "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);
137 * We can, of course, still verify that the atime is unchanged
138 * when using the -a option.
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 assertFileContents("1 block\n", 8, "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);
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 assertFileContents("1 block\n", 8, "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);