/*-

 * 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"

#if defined(HAVE_UTIME_H)

#include <utime.h>

#elif defined(HAVE_SYS_UTIME_H)

#include <sys/utime.h>

#endif

__FBSDID("$FreeBSD: src/usr.bin/cpio/test/test_option_a.c,v 1.3 2008/08/24 06:21:00 kientzle Exp $");

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;

	for (i = 0; i < numfiles; ++i) {

		/*

		 * 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.

		 */

		assertMakeFile(files[i].name, 0644, "a");

		/* If utime() isn't supported on your platform, just

		 * #ifdef this section out.  Most of the test below is

		 * still valid. */

		memset(&times, 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. */

	sleepUntilAfter(files[numfiles - 1].atime_sec);

}

DEFINE_TEST(test_option_a)

{

	struct stat st;

	int r;

	char *p;

	/* Create all of the test files. */

	test_create();

	/* Sanity check; verify that atimes really do get modified. */

	p = slurpfile(NULL, "f0");

	assert(p != NULL);

	free(p);

	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);

		assertTextFileContents("1 block\n", "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);

		assertTextFileContents("1 block\n", "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);

	assertTextFileContents("1 block\n", "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);

	assertTextFileContents("1 block\n", "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);

}