X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=tests%2Fstrutil.c;h=0138fa9dffcfa2a9712d0cddf1653b39c51d06b1;hb=a7e48f3c0665c18d901f7491823bbefda2c8555e;hp=68e6117dfd3c946f0ff3e4cb241b3324217e8c31;hpb=02a2bf688f25a50ea05276be75fba8b4f644fca6;p=libsigrok.git diff --git a/tests/strutil.c b/tests/strutil.c index 68e6117d..0138fa9d 100644 --- a/tests/strutil.c +++ b/tests/strutil.c @@ -14,14 +14,55 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * along with this program; if not, see . */ +#include #include -#include "../include/libsigrok/libsigrok.h" +#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; @@ -33,6 +74,95 @@ static void test_samplerate(uint64_t samplerate, const char *expected) g_free(s); } +static void test_period(uint64_t v_p, uint64_t v_q, const char *expected) +{ + char *s; + + s = sr_period_string(v_p, v_q); + fail_unless(s != NULL); + fail_unless(!strcmp(s, expected), + "Invalid result for '%s': %s.", expected, s); + g_free(s); +} + +static void test_rational(const char *input, struct sr_rational expected) +{ + int ret; + struct sr_rational rational; + + ret = sr_parse_rational(input, &rational); + fail_unless(ret == SR_OK); + fail_unless((expected.p == rational.p) && (expected.q == rational.q), + "Invalid result for '%s': %ld/%ld'.", + 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(): * @@ -154,6 +284,101 @@ START_TEST(test_ghz) } END_TEST +START_TEST(test_hz_period) +{ + test_period(1, 1, "1 s"); + test_period(1, 5, "200 ms"); + test_period(1, 72, "13.889 ms"); + test_period(1, 388, "2.577 ms"); + test_period(10, 1000, "10 ms"); + + /* Again, but now using SR_HZ(). */ + test_period(1, SR_HZ(1), "1 s"); + test_period(1, SR_HZ(5), "200 ms"); + test_period(1, SR_HZ(72), "13.889 ms"); + test_period(1, SR_HZ(388), "2.577 ms"); + test_period(10, SR_HZ(100), "100 ms"); +} +END_TEST + +START_TEST(test_ghz_period) +{ + /* Note: Numbers > 2^32 need a ULL suffix. */ + test_period(1, 1000000000, "1 ns"); + test_period(1, 5000000000ULL, "200 ps"); + test_period(1, 72000000000ULL, "13.889 ps"); + test_period(1, 388000000000ULL, "2.577 ps"); + test_period(10, 1000000000000, "10 ps"); + test_period(200, 1000000000000ULL, "200 ps"); + + /* Again, but now using SR_GHZ(). */ + test_period(1, SR_GHZ(1), "1 ns"); + test_period(1, SR_GHZ(5), "200 ps"); + test_period(1, SR_GHZ(72), "13.889 ps"); + test_period(1, SR_GHZ(388), "2.577 ps"); + test_period(10, SR_GHZ(1), "10 ns"); + test_period(200, SR_GHZ(1000), "200 ps"); +} +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}); + test_rational("2", (struct sr_rational){2, 1}); + test_rational("10", (struct sr_rational){10, 1}); + test_rational("-255", (struct sr_rational){-255, 1}); +} +END_TEST + +START_TEST(test_fractional) +{ + test_rational("0.1", (struct sr_rational){1, 10}); + test_rational("1.0", (struct sr_rational){10, 10}); + test_rational("1.2", (struct sr_rational){12, 10}); + 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 + +START_TEST(test_exponent) +{ + test_rational("1e0", (struct sr_rational){1, 1}); + test_rational("1E0", (struct sr_rational){1, 1}); + test_rational("1E1", (struct sr_rational){10, 1}); + test_rational("1e-1", (struct sr_rational){1, 10}); + test_rational("-1.234e-0", (struct sr_rational){-1234, 1000}); + test_rational("-1.234e3", (struct sr_rational){-1234, 1}); + test_rational("-1.234e-3", (struct sr_rational){-1234, 1000000}); + 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 + Suite *suite_strutil(void) { Suite *s; @@ -163,10 +388,17 @@ 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); suite_add_tcase(s, tc); return s;