tests: Tests for the locale independent sr_vsnprintf_ascii() function.

This commit is contained in:
Frank Stettner 2018-01-26 13:56:19 +01:00 committed by Uwe Hermann
parent 79034d4f39
commit 16e88c6b93
1 changed files with 97 additions and 0 deletions

View File

@ -19,9 +19,50 @@
#include <config.h>
#include <check.h>
#include <locale.h>
#include <libsigrok/libsigrok.h>
#include "lib.h"
#if 0
static void test_vsnprintf(const char *expected, char *format, ...)
{
va_list args;
char *s;
int len;
len = 16;
s = g_malloc0(len + 1);
va_start(args, format);
len = vsnprintf(s, len, format, args);
va_end(args);
fail_unless(s != NULL, "len = %i, s = s", len);
fail_unless(!strcmp(s, expected),
"Invalid result for '%s': %s.", expected, s);
g_free(s);
}
#endif
static void test_sr_vsnprintf_ascii(const char *expected, char *format, ...)
{
va_list args;
char *s;
int len;
len = 16;
s = g_malloc0(len + 1);
va_start(args, format);
len = sr_vsnprintf_ascii(s, len, format, args);
va_end(args);
fail_unless(s != NULL, "len = %i, s = s", len);
fail_unless(!strcmp(s, expected),
"Invalid result for '%s': %s.", expected, s);
g_free(s);
}
static void test_samplerate(uint64_t samplerate, const char *expected)
{
char *s;
@ -67,6 +108,61 @@ static void test_voltage(uint64_t v_p, uint64_t v_q, const char *expected)
g_free(s);
}
START_TEST(test_locale)
{
char *old_locale, *saved_locale;
/* Get the the current locale. */
old_locale = setlocale(LC_NUMERIC, NULL);
fprintf(stderr, "Old locale = %s\n", old_locale);
/* Copy the name so it wont be clobbered by setlocale. */
saved_locale = g_strdup(old_locale);
ck_assert_msg(saved_locale != NULL);
#ifdef _WIN32
/*
* See: https://msdn.microsoft.com/en-us/library/cc233982.aspx
* Doesn't work! Locale is not set!
*/
setlocale(LC_NUMERIC, "de-DE");
#else
/*
* For all *nix and OSX systems, change the locale for all threads to
* one that is known for not working correctly with printf(), e.g.
* "de_DE.UTF-8".
*
* Find all your available system locales with "locale -a".
*/
setlocale(LC_NUMERIC, "de_DE.UTF-8");
#endif
fprintf(stderr, "New locale = %s\n", setlocale(LC_NUMERIC, NULL));
test_sr_vsnprintf_ascii("0.1", "%.1f", (double)0.1);
test_sr_vsnprintf_ascii("0.12", "%.2f", (double)0.12);
test_sr_vsnprintf_ascii("0.123", "%.3f", (double)0.123);
test_sr_vsnprintf_ascii("0.1234", "%.4f", (double)0.1234);
test_sr_vsnprintf_ascii("0.12345", "%.5f", (double)0.12345);
test_sr_vsnprintf_ascii("0.123456", "%.6f", (double)0.123456);
#if 0
/*
* These tests can be used to tell on which platforms the printf()
* functions are locale-dependent (i.e. these tests will fail).
*/
test_vsnprintf("0.1", "%.1f", (double)0.1);
test_vsnprintf("0.12", "%.2f", (double)0.12);
test_vsnprintf("0.123", "%.3f", (double)0.123);
test_vsnprintf("0.1234", "%.4f", (double)0.1234);
test_vsnprintf("0.12345", "%.5f", (double)0.12345);
test_vsnprintf("0.123456", "%.6f", (double)0.123456);
#endif
/* Restore the original locale. */
setlocale(LC_NUMERIC, saved_locale);
g_free(saved_locale);
}
END_TEST
/*
* Check various inputs for sr_samplerate_string():
*
@ -292,6 +388,7 @@ Suite *suite_strutil(void)
tc = tcase_create("sr_samplerate_string");
tcase_add_checked_fixture(tc, srtest_setup, srtest_teardown);
tcase_add_test(tc, test_locale);
tcase_add_test(tc, test_hz);
tcase_add_test(tc, test_khz);
tcase_add_test(tc, test_mhz);