t_fmtcheck.c revision 272458 
1/*	$NetBSD: t_fmtcheck.c,v 1.3 2014/06/14 08:19:02 apb Exp $	*/
2
3/*-
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code was contributed to The NetBSD Foundation by Allen Briggs.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <atf-c.h>
32
33#include <stdio.h>
34#include <stdlib.h>
35
36const char *fmtcheck(const char *f1, const char *f2)
37                __attribute__((__format_arg__(2)));
38
39#include <err.h>
40
41struct test_fmt {
42	const char	*fmt1;
43	const char	*fmt2;
44	int		correct;
45} test_fmts[] = {
46	{ "%d", "%d", 1 },
47	{ "%2d", "%2.2d", 1 },
48	{ "%x", "%d", 1 },
49	{ "%u", "%d", 1 },
50	{ "%03d", "%d", 1 },
51	{ "%-2d", "%d", 1 },
52	{ "%d", "%-12.1d", 1 },
53	{ "%d", "%-01.3d", 1 },
54	{ "%X", "%-01.3d", 1 },
55	{ "%D", "%ld", 1 },
56	{ "%s", "%s", 1 },
57	{ "%s", "This is a %s test", 1 },
58	{ "Hi, there.  This is a %s test", "%s", 1 },
59	{ "%d", "%s", 2 },
60	{ "%e", "%s", 2 },
61	{ "%r", "%d", 2 },
62	{ "%*.2d", "%*d", 1 },
63	{ "%2.*d", "%*d", 2 },
64	{ "%*d", "%*d", 1 },
65	{ "%-3", "%d", 2 },
66	{ "%d %s", "%d", 2 },
67	{ "%*.*.*d", "%*.*.*d", 2 },
68	{ "%d", "%d %s", 1 },
69	{ "%40s", "%20s", 1 },
70	{ "%x %x %x", "%o %u %d", 1 },
71	{ "%o %u %d", "%x %x %X", 1 },
72	{ "%#o %u %#-d", "%x %#x %X", 1 },
73	{ "%qd", "%llx", 1 },
74	{ "%%", "%llx", 1 },
75	{ "%ld %30s %#llx %-10.*e", "This number %lu%% and string %s has %qd numbers and %.*g floats", 1 },
76	{ "%o", "%lx", 2 },
77	{ "%p", "%lu", 2 },
78};
79
80ATF_TC(fmtcheck_basic);
81ATF_TC_HEAD(fmtcheck_basic, tc)
82{
83
84	atf_tc_set_md_var(tc, "descr", "Test fmtcheck(3)");
85}
86
87ATF_TC_BODY(fmtcheck_basic, tc)
88{
89	unsigned int	i, r;
90	const char	*f, *cf, *f1, *f2;
91
92	r = 0;
93	for (i = 0 ; i < __arraycount(test_fmts); i++) {
94		f1 = test_fmts[i].fmt1;
95		f2 = test_fmts[i].fmt2;
96		f = fmtcheck(f1, f2);
97		if (test_fmts[i].correct == 1) {
98			cf = f1;
99		} else {
100			cf = f2;
101		}
102		if (f != cf) {
103			r++;
104			atf_tc_fail_nonfatal("Test %d: (%s) vs. (%s) failed "
105			    "(should have returned %s)", i, f1, f2,
106			    (test_fmts[i].correct == 1) ? "1st" : "2nd");
107		}
108	}
109}
110
111ATF_TP_ADD_TCS(tp)
112{
113
114	ATF_TP_ADD_TC(tp, fmtcheck_basic);
115
116	return atf_no_error();
117}
118