diff options
Diffstat (limited to 'usr.bin/cpio/test/test_option_a.c')
| -rw-r--r-- | usr.bin/cpio/test/test_option_a.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/usr.bin/cpio/test/test_option_a.c b/usr.bin/cpio/test/test_option_a.c new file mode 100644 index 0000000..c063280 --- /dev/null +++ b/usr.bin/cpio/test/test_option_a.c @@ -0,0 +1,159 @@ +/*- + * Copyright (c) 2003-2008 Tim Kientzle + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "test.h" +#include <utime.h> +__FBSDID("$FreeBSD$"); + +static struct { + const char *name; + time_t atime_sec; +} files[] = { + { "f0", 0 }, + { "f1", 0 }, + { "f2", 0 }, + { "f3", 0 }, + { "f4", 0 }, + { "f5", 0 } +}; + +/* + * Create a bunch of test files and record their atimes. + * For the atime preserve/change tests, the files must have + * atimes in the past. We can accomplish this by explicitly invoking + * utime() on platforms that support it or by simply sleeping + * for a second after creating the files. (Creating all of the files + * at once means we only need to sleep once.) + */ +static void +test_create(void) +{ + struct stat st; + struct utimbuf times; + static const int numfiles = sizeof(files) / sizeof(files[0]); + int i; + int fd; + + for (i = 0; i < numfiles; ++i) { + fd = open(files[i].name, O_CREAT | O_WRONLY, 0644); + assert(fd >= 0); + /* + * Note: Have to write at least one byte to the file. + * cpio doesn't bother reading the file if it's zero length, + * so the atime never gets changed in that case, which + * makes the tests below rather pointless. + */ + assertEqualInt(1, write(fd, "a", 1)); + close(fd); + + /* If utime() isn't supported on your platform, just + * #ifdef this section out. Most of the test below is + * still valid. */ + memset(×, 0, sizeof(times)); + times.actime = 1; + times.modtime = 3; + assertEqualInt(0, utime(files[i].name, ×)); + + /* Record whatever atime the file ended up with. */ + /* If utime() is available, this should be 1, but there's + * no harm in being careful. */ + assertEqualInt(0, stat(files[i].name, &st)); + files[i].atime_sec = st.st_atime; + } + + /* Wait until the atime on the last file is actually in the past. */ + /* If utime() is supported above, there's no sleep here which + * makes the test faster. */ + while (files[numfiles - 1].atime_sec >= time(NULL)) + sleep(1); +} + +DEFINE_TEST(test_option_a) +{ + struct stat st; + int r; + int f; + char buff[64]; + + /* Create all of the test files. */ + test_create(); + + /* Sanity check; verify that atimes really do get modified. */ + f = open(files[0].name, O_RDONLY); + assertEqualInt(1, read(f,buff, 1)); + assertEqualInt(0, close(f)); + assertEqualInt(0, stat("f0", &st)); + if (st.st_atime == files[0].atime_sec) { + skipping("Cannot verify -a option\n" + " Your system appears to not support atime."); + } + else + { + /* + * If this disk is mounted noatime, then we can't + * verify correct operation without -a. + */ + + /* Copy the file without -a; should change the atime. */ + r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog); + assertEqualInt(r, 0); + assertEmptyFile("copy-no-a.err"); + assertEmptyFile("copy-no-a.out"); + assertEqualInt(0, stat(files[1].name, &st)); + failure("Copying file without -a should have changed atime."); + assert(st.st_atime != files[1].atime_sec); + + /* Archive the file without -a; should change the atime. */ + r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog); + assertEqualInt(r, 0); + assertEmptyFile("copy-no-a.err"); + assertEqualInt(0, stat(files[2].name, &st)); + failure("Archiving file without -a should have changed atime."); + assert(st.st_atime != files[2].atime_sec); + } + + /* + * We can, of course, still verify that the atime is unchanged + * when using the -a option. + */ + + /* Copy the file with -a; should not change the atime. */ + r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err", + files[3].name, testprog); + assertEqualInt(r, 0); + assertEmptyFile("copy-a.err"); + assertEmptyFile("copy-a.out"); + assertEqualInt(0, stat(files[3].name, &st)); + failure("Copying file with -a should not have changed atime."); + assertEqualInt(st.st_atime, files[3].atime_sec); + + /* Archive the file with -a; should not change the atime. */ + r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err", + files[4].name, testprog); + assertEqualInt(r, 0); + assertEmptyFile("copy-a.err"); + assertEqualInt(0, stat(files[4].name, &st)); + failure("Archiving file with -a should not have changed atime."); + assertEqualInt(st.st_atime, files[4].atime_sec); +} |
