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strfmon_test: Add some tests

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Attempt to test the correctness of strfmon(3).

Some of them were inspired from the examples section at:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/strfmon.html

Items marked with XXX represent an invalid output.

Reviewed by:	kib
PR:	267282
Github PR:	#619
MFC after:	1 week
This commit is contained in:
Jose Luis Duran 2022-10-16 01:01:17 -03:00 committed by Konstantin Belousov
parent f91301cc79
commit 3f97d37ac5
1 changed files with 151 additions and 0 deletions
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151
lib/libc/tests/stdlib/strfmon_test.c
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@ -27,6 +27,8 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <locale.h>
#include <monetary.h>
#include <stdio.h>
@ -64,8 +66,157 @@ ATF_TC_BODY(strfmon_locale_thousands, tc)
ATF_CHECK_STREQ(expected, actual);
}
ATF_TC_WITHOUT_HEAD(strfmon_examples);
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]" }, /* XXX */
{ "%#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]" }, /* XXX */
{ "%!(#5n", "[ 123.45] [( 123.45)] [ 3,456.78]" }, /* XXX */
{ "%-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 < nitems(tests); ++i) {
snprintf(format, sizeof(format), "[%s] [%s] [%s]",
tests[i].format, tests[i].format, tests[i].format);
strfmon(actual, sizeof(actual), 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- $] [123.00$ -]" }, /* XXX */
};
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 < nitems(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), "[%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 < nitems(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), "[%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_WITHOUT_HEAD(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", "[USD 123.45]" }, /* XXX */
{ "de_DE.UTF-8", "[123,45 EUR ]" }, /* XXX */
{ "C", "[123.45]" }, /* XXX OOB access */
};
size_t i;
char actual[100];
for (i = 0; i < nitems(tests); ++i) {
if (setlocale(LC_MONETARY, tests[i].locale) == NULL)
atf_tc_skip("unable to setlocale()");
strfmon(actual, sizeof(actual), "[%i]", 123.45);
ATF_CHECK_STREQ(tests[i].expected, actual);
}
}
ATF_TP_ADD_TCS(tp)
{
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());
}