X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fstrutil.c;h=86f25f395d06caa54b84bd332ecdf8fe75b93d9d;hb=ae87e02fad06324de80c24997fc8589780ba3b03;hp=53417fba60f02d178ff0ce4188ba407cb0f5e7a7;hpb=6ec6c43b4738dbc7091f4a49a4ec80ea6102cb52;p=libsigrok.git
diff --git a/tests/strutil.c b/tests/strutil.c
index 53417fba..86f25f39 100644
--- a/tests/strutil.c
+++ b/tests/strutil.c
@@ -14,8 +14,7 @@
* 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
@@ -34,6 +33,29 @@ static void test_samplerate(uint64_t samplerate, const char *expected)
g_free(s);
}
+static void test_period(uint64_t frequency, const char *expected)
+{
+ char *s;
+
+ s = sr_period_string(frequency);
+ 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);
+}
+
/*
* Check various inputs for sr_samplerate_string():
*
@@ -155,6 +177,73 @@ START_TEST(test_ghz)
}
END_TEST
+START_TEST(test_hz_period)
+{
+ test_period(1, "1000 ms");
+ test_period(5, "200 ms");
+ test_period(72, "13 ms");
+ test_period(388, "2 ms");
+
+ /* Again, but now using SR_HZ(). */
+ test_period(SR_HZ(1), "1000 ms");
+ test_period(SR_HZ(5), "200 ms");
+ test_period(SR_HZ(72), "13 ms");
+ test_period(SR_HZ(388), "2 ms");
+}
+END_TEST
+
+START_TEST(test_ghz_period)
+{
+ /* Note: Numbers > 2^32 need a ULL suffix. */
+
+ test_period(1000000000, "1000 ps");
+ test_period(5000000000ULL, "200 ps");
+ test_period(72000000000ULL, "13 ps");
+ test_period(388000000000ULL, "2 ps");
+
+ /* Again, but now using SR_GHZ(). */
+ test_period(SR_GHZ(1), "1000 ps");
+ test_period(SR_GHZ(5), "200 ps");
+ test_period(SR_GHZ(72), "13 ps");
+ test_period(SR_GHZ(388), "2 ps");
+}
+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});
+}
+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});
+}
+END_TEST
+
Suite *suite_strutil(void)
{
Suite *s;
@@ -168,6 +257,11 @@ Suite *suite_strutil(void)
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_integral);
+ tcase_add_test(tc, test_fractional);
+ tcase_add_test(tc, test_exponent);
suite_add_tcase(s, tc);
return s;