cpio/test/test_option_a.c

/*-
 * 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, &times));

                /* 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);
}
Revision:	11133
Committed:	Tue Jun 19 20:38:39 2018 UTC (5 years, 10 months ago) by laffer1
Content type:	text/plain
File size:	5457 byte(s)
Log Message:	tag libarchive
#	Content
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: src/usr.bin/cpio/test/test_option_a.c,v 1.3 2008/08/24 06:21:00 kientzle Exp $");
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(&times, 0, sizeof(times));
74	times.actime = 1;
75	times.modtime = 3;
76	assertEqualInt(0, utime(files[i].name, &times));
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	}