/* $NetBSD: t_strfmon.c,v 1.6 2023/11/27 19:45:36 christos Exp $ */

/*-
 * Copyright (c) 2017 The NetBSD Foundation, Inc.
 * Copyright (C) 2018 Conrad Meyer <cem@FreeBSD.org>
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Joerg Sonnenberger.
 *
 * 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 <sys/cdefs.h>
__RCSID("$NetBSD: t_strfmon.c,v 1.6 2023/11/27 19:45:36 christos Exp $");

#include <atf-c.h>
#include <stdio.h>
#include <locale.h>
#include <monetary.h>

ATF_TC(strfmon_locale);

ATF_TC_HEAD(strfmon_locale, tc)
{
        atf_tc_set_md_var(tc, "descr",
                "Checks strfmon_l under different locales");
}

ATF_TC_BODY(strfmon_locale, tc)
{
        const struct {
                const char *locale;
                const char *expected;
        } tests[] = {
            { "C", "[ **1234.57 ] [ **1234.57 ]" },
            { "de_DE.UTF-8", "[ **1234,57 €] [ **1.234,57 EUR]" },
            { "en_GB.UTF-8", "[ £**1234.57] [ GBP**1,234.57]" },
        };
        locale_t loc;
        size_t i;
        char buf[80];
        for (i = 0; i < __arraycount(tests); ++i) {
                loc = newlocale(LC_MONETARY_MASK, tests[i].locale, 0);
                ATF_REQUIRE(loc != 0);
                strfmon_l(buf, sizeof(buf), loc, "[%^=*#6n] [%=*#6i]",
                    1234.567, 1234.567);
                ATF_REQUIRE_STREQ(tests[i].expected, buf);
                freelocale(loc);
        }
}

ATF_TC(strfmon_pad);

ATF_TC_HEAD(strfmon_pad, tc)
{
        atf_tc_set_md_var(tc, "descr", "Checks strfmon padding");
}

ATF_TC_BODY(strfmon_pad, tc)
{
    char string[1024];

    ATF_REQUIRE(setlocale(LC_MONETARY, "en_US.UTF-8") != NULL);
    strfmon(string, sizeof(string), "[%8n] [%8n]", 123.45, 123.45);
    ATF_REQUIRE_STREQ(string, "[ $123.45] [ $123.45]"); 
}

ATF_TC(strfmon_locale_thousands);

ATF_TC_HEAD(strfmon_locale_thousands, tc)
{
        atf_tc_set_md_var(tc, "descr",
            "Checks strfmon locale thousands separator");
}

ATF_TC_BODY(strfmon_locale_thousands, tc)
{
        char actual[40], expected[40];
        struct lconv *lc;
        const char *ts;
        double n;

        setlocale(LC_MONETARY, "sv_SE.UTF-8");

        lc = localeconv();

        ts = lc->mon_thousands_sep;
        if (strlen(ts) == 0)
                ts = lc->thousands_sep;

        if (strlen(ts) < 2)
                atf_tc_skip("multi-byte thousands-separator not found");

        n = 1234.56;
        strfmon(actual, sizeof(actual) - 1, "%i", n);

        strcpy(expected, "1");
        strlcat(expected, ts, sizeof(expected));
        strlcat(expected, "234", sizeof(expected));

        /* We're just testing the thousands separator, not all of strfmon. */
        actual[strlen(expected)] = '\0';
        ATF_CHECK_STREQ(expected, actual);
}

ATF_TC(strfmon_examples);
ATF_TC_HEAD(strfmon_examples, tc) {
        atf_tc_set_md_var(tc, "descr",
            "Checks strfmon field formats");
}

ATF_TC_BODY(strfmon_examples, tc)
{
        const struct {
                const char *format;
                const char *expected;
        } tests[] = {
            { "%n", "[$123.45] [-$123.45] [$3,456.78]" },
            { "%11n", "[    $123.45] [   -$123.45] [  $3,456.78]" },
            { "%#5n", "[ $   123.45] [-$   123.45] [ $ 3,456.78]" },
            { "%=*#5n", "[ $***123.45] [-$***123.45] [ $*3,456.78]" },
            { "%=0#5n", "[ $000123.45] [-$000123.45] [ $03,456.78]" },
            { "%^#5n", "[ $  123.45] [-$  123.45] [ $ 3456.78]" },
            { "%^#5.0n", "[ $  123] [-$  123] [ $ 3457]" },
            { "%^#5.4n", "[ $  123.4500] [-$  123.4500] [ $ 3456.7810]" },
            { "%(#5n", "[ $   123.45 ] [($   123.45)] [ $ 3,456.78 ]" },
            { "%!(#5n", "[    123.45 ] [(   123.45)] [  3,456.78 ]" },
            { "%-14#5.4n", "[ $   123.4500 ] [-$   123.4500 ] [ $ 3,456.7810 ]" },
            { "%14#5.4n", "[  $   123.4500] [ -$   123.4500] [  $ 3,456.7810]" },
        };
        size_t i;
        char actual[100], format[50];

        if (setlocale(LC_MONETARY, "en_US.UTF-8") == NULL)
                atf_tc_skip("unable to setlocale()");

        for (i = 0; i < __arraycount(tests); ++i) {
                snprintf(format, sizeof(format), "[%s] [%s] [%s]",
                    tests[i].format, tests[i].format, tests[i].format);
                strfmon(actual, sizeof(actual) - 1, format,
                    123.45, -123.45, 3456.781);
                ATF_CHECK_STREQ_MSG(tests[i].expected, actual,
                    "[%s]", tests[i].format);
        }
}

ATF_TC(strfmon_cs_precedes_0);

ATF_TC_HEAD(strfmon_cs_precedes_0, tc)
{
        atf_tc_set_md_var(tc, "descr",
            "sep_by_space x sign_posn when cs_precedes = 0");
}

ATF_TC_BODY(strfmon_cs_precedes_0, tc)
{
        const struct {
                const char *expected;
        } tests[] = {
            /* sep_by_space x sign_posn */
            { "[(123.00$)] [-123.00$] [123.00$-] [123.00-$] [123.00$-]" },
            { "[(123.00 $)] [-123.00 $] [123.00 $-] [123.00 -$] [123.00 $-]" },
            { "[(123.00$)] [- 123.00$] [123.00$ -] [123.00- $] [123.00$ -]" },
        };
        size_t i, j;
        struct lconv *lc;
        char actual[100], buf[100];

        if (setlocale(LC_MONETARY, "en_US.UTF-8") == NULL)
                atf_tc_skip("unable to setlocale()");

        lc = localeconv();
        lc->n_cs_precedes = 0;

        for (i = 0; i < __arraycount(tests); ++i) {
                actual[0] = '\0';
                lc->n_sep_by_space = i;

                for (j = 0; j < 5; ++j) {
                        lc->n_sign_posn = j;

                        strfmon(buf, sizeof(buf) - 1, "[%n] ", -123.0);
                        strlcat(actual, buf, sizeof(actual));
                }

                actual[strlen(actual) - 1] = '\0';
                ATF_CHECK_STREQ_MSG(tests[i].expected, actual,
                    "sep_by_space = %zu", i);
        }
}

ATF_TC(strfmon_cs_precedes_1);

ATF_TC_HEAD(strfmon_cs_precedes_1, tc)
{
        atf_tc_set_md_var(tc, "descr",
            "sep_by_space x sign_posn when cs_precedes = 1");
}

ATF_TC_BODY(strfmon_cs_precedes_1, tc)
{
        const struct {
                const char *expected;
        } tests[] = {
            /* sep_by_space x sign_posn */
            { "[($123.00)] [-$123.00] [$123.00-] [-$123.00] [$-123.00]" },
            { "[($ 123.00)] [-$ 123.00] [$ 123.00-] [-$ 123.00] [$- 123.00]" },
            { "[($123.00)] [- $123.00] [$123.00 -] [- $123.00] [$ -123.00]" },
        };
        size_t i, j;
        struct lconv *lc;
        char actual[100], buf[100];

        if (setlocale(LC_MONETARY, "en_US.UTF-8") == NULL)
                atf_tc_skip("unable to setlocale()");

        lc = localeconv();
        lc->n_cs_precedes = 1;

        for (i = 0; i < __arraycount(tests); ++i) {
                actual[0] = '\0';
                lc->n_sep_by_space = i;

                for (j = 0; j < 5; ++j) {
                        lc->n_sign_posn = j;

                        strfmon(buf, sizeof(buf) - 1, "[%n] ", -123.0);
                        strlcat(actual, buf, sizeof(actual));
                }

                actual[strlen(actual) - 1] = '\0';
                ATF_CHECK_STREQ_MSG(tests[i].expected, actual,
                    "sep_by_space = %zu", i);
        }
}

ATF_TC(strfmon_international_currency_code);
ATF_TC_HEAD(strfmon_international_currency_code, tc)
{
        atf_tc_set_md_var(tc, "descr",
            "checks strfmon international currency code");
}

ATF_TC_BODY(strfmon_international_currency_code, tc)
{
        const struct {
                const char *locale;
                const char *expected;
        } tests[] = {
            { "en_US.UTF-8", "[USD123.45]" },
            { "de_DE.UTF-8", "[123,45 EUR]" },
            { "C", "[123.45]" },
        };
        size_t i;
        char actual[100];

        for (i = 0; i < __arraycount(tests); ++i) {
                if (setlocale(LC_MONETARY, tests[i].locale) == NULL)
                        atf_tc_skip("unable to setlocale()");

                strfmon(actual, sizeof(actual) - 1, "[%i]", 123.45);
                ATF_CHECK_STREQ(tests[i].expected, actual);
        }
}

ATF_TP_ADD_TCS(tp)
{

        ATF_TP_ADD_TC(tp, strfmon_locale);
        ATF_TP_ADD_TC(tp, strfmon_pad);
        ATF_TP_ADD_TC(tp, strfmon_locale_thousands);
        ATF_TP_ADD_TC(tp, strfmon_examples);
        ATF_TP_ADD_TC(tp, strfmon_cs_precedes_0);
        ATF_TP_ADD_TC(tp, strfmon_cs_precedes_1);
        ATF_TP_ADD_TC(tp, strfmon_international_currency_code);

        return atf_no_error();
}