/*      $NetBSD: t_fmtcheck.c,v 1.6 2024/04/13 14:02:51 rillig Exp $    */

/*-
 * Copyright (c) 2000 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code was contributed to The NetBSD Foundation by Allen Briggs.
 *
 * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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 <atf-c.h>

#include <stdio.h>
#include <stdlib.h>

const char *fmtcheck(const char *f1, const char *f2)
                __attribute__((__format_arg__(2)));

#include <err.h>

struct test_fmt {
        const char      *fmt1;
        const char      *fmt2;
        int             correct;
} test_fmts[] = {
        { "%d", "%d", 1 },
        { "%2d", "%2.2d", 1 },
        { "%x", "%d", 1 },
        { "%u", "%d", 1 },
        { "%03d", "%d", 1 },
        { "%-2d", "%d", 1 },
        { "%d", "%-12.1d", 1 },
        { "%d", "%-01.3d", 1 },
        { "%X", "%-01.3d", 1 },
        { "%D", "%ld", 1 },
        { "%s", "%s", 1 },
        { "%s", "This is a %s test", 1 },
        { "Hi, there.  This is a %s test", "%s", 1 },
        { "%d", "%s", 2 },
        { "%e", "%s", 2 },
        { "%r", "%d", 2 },
        { "%*.2d", "%*d", 1 },
        { "%2.*d", "%*d", 2 },
        { "%*d", "%*d", 1 },
        { "%-3", "%d", 2 },
        { "%d %s", "%d", 2 },
        { "%*.*.*d", "%*.*.*d", 2 },
        { "%d", "%d %s", 1 },
        { "%40s", "%20s", 1 },
        { "%x %x %x", "%o %u %d", 1 },
        { "%o %u %d", "%x %x %X", 1 },
        { "%#o %u %#-d", "%x %#x %X", 1 },
        { "%qd", "%llx", 1 },
        { "%%", "%llx", 1 },
        { "%ld %30s %#llx %-10.*e", "This number %lu%% and string %s has %qd numbers and %.*g floats", 1 },
        { "%o", "%lx", 2 },
        { "%p", "%lu", 2 },
        // When fmtcheck supports '$', it could be used in dcngettext.
        { "%1$s", "%s", 2 },
        { "%1$s %2$s", "%s %s", 2 },
        { "%2$d %1$s", "%s %d", 2 },
};

ATF_TC(fmtcheck_basic);
ATF_TC_HEAD(fmtcheck_basic, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test fmtcheck(3)");
}

ATF_TC_BODY(fmtcheck_basic, tc)
{
        unsigned int    i, r;
        const char      *f, *cf, *f1, *f2;

        r = 0;
        for (i = 0 ; i < __arraycount(test_fmts); i++) {
                f1 = test_fmts[i].fmt1;
                f2 = test_fmts[i].fmt2;
                f = fmtcheck(f1, f2);
                if (test_fmts[i].correct == 1) {
                        cf = f1;
                } else {
                        cf = f2;
                }
                if (f != cf) {
                        r++;
                        atf_tc_fail_nonfatal("Test %d: (%s) vs. (%s) failed "
                            "(should have returned %s)", i, f1, f2,
                            (test_fmts[i].correct == 1) ? "1st" : "2nd");
                }
        }
}

ATF_TP_ADD_TCS(tp)
{

        ATF_TP_ADD_TC(tp, fmtcheck_basic);

        return atf_no_error();
}