X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=tests%2Fstrutil.c;h=0138fa9dffcfa2a9712d0cddf1653b39c51d06b1;hb=16e88c6b93d164f4c4e7c437f907789ed27281ad;hp=a36b6a2d06a1fe39a133ceb8c1a1b76df9362246;hpb=6984cfb245811df0f691928a6e4224d4f7ac5786;p=libsigrok.git diff --git a/tests/strutil.c b/tests/strutil.c index a36b6a2d..0138fa9d 100644 --- a/tests/strutil.c +++ b/tests/strutil.c @@ -19,9 +19,50 @@ #include #include +#include #include #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; @@ -56,6 +97,72 @@ static void test_rational(const char *input, struct sr_rational expected) input, rational.p, rational.q); } +static void test_voltage(uint64_t v_p, uint64_t v_q, const char *expected) +{ + char *s; + + s = sr_voltage_string(v_p, v_q); + fail_unless(s != NULL); + fail_unless(!strcmp(s, expected), + "Invalid result for '%s': %s.", expected, s); + 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 won’t 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(): * @@ -214,6 +321,19 @@ START_TEST(test_ghz_period) } END_TEST +START_TEST(test_volt) +{ + test_voltage(34, 1, "34 V"); + test_voltage(34, 2, "17 V"); + test_voltage(1, 1, "1 V"); + test_voltage(1, 5, "0.2 V"); + test_voltage(200, 1000, "200 mV"); + test_voltage(1, 72, "0.0138889 V"); + test_voltage(1, 388, "0.00257732 V"); + test_voltage(10, 1000, "10 mV"); +} +END_TEST + START_TEST(test_integral) { test_rational("1", (struct sr_rational){1, 1}); @@ -231,6 +351,11 @@ START_TEST(test_fractional) test_rational("12.34", (struct sr_rational){1234, 100}); test_rational("-12.34", (struct sr_rational){-1234, 100}); test_rational("10.00", (struct sr_rational){1000, 100}); + test_rational(".1", (struct sr_rational){1, 10}); + test_rational("+0.1", (struct sr_rational){1, 10}); + test_rational("+.1", (struct sr_rational){1, 10}); + test_rational("-0.1", (struct sr_rational){-1, 10}); + test_rational("-.1", (struct sr_rational){-1, 10}); } END_TEST @@ -246,6 +371,11 @@ START_TEST(test_exponent) test_rational("0.001e3", (struct sr_rational){1, 1}); test_rational("0.001e0", (struct sr_rational){1, 1000}); test_rational("0.001e-3", (struct sr_rational){1, 1000000}); + test_rational("43.737E-3", (struct sr_rational){43737, 1000000}); + test_rational("-0.1e-2", (struct sr_rational){-1, 1000}); + test_rational("-.1e-2", (struct sr_rational){-1, 1000}); + test_rational("-.0e-2", (struct sr_rational){0, 1000}); + test_rational("+.0e-2", (struct sr_rational){0, 1000}); } END_TEST @@ -258,12 +388,14 @@ 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); tcase_add_test(tc, test_ghz); tcase_add_test(tc, test_hz_period); tcase_add_test(tc, test_ghz_period); + tcase_add_test(tc, test_volt); tcase_add_test(tc, test_integral); tcase_add_test(tc, test_fractional); tcase_add_test(tc, test_exponent);