* 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 <http://www.gnu.org/licenses/>.
*/
+#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;
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():
*
}
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;
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;
projects / libsigrok.git / blobdiff