| /* |
| * This file is part of the libsigrok project. |
| * |
| * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * 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, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <config.h> |
| #include <check.h> |
| #include <libsigrok/libsigrok.h> |
| #include "lib.h" |
| |
| static void test_samplerate(uint64_t samplerate, const char *expected) |
| { |
| char *s; |
| |
| s = sr_samplerate_string(samplerate); |
| fail_unless(s != NULL); |
| fail_unless(!strcmp(s, expected), |
| "Invalid result for '%s': %s.", expected, 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); |
| } |
| |
| /* |
| * Check various inputs for sr_samplerate_string(): |
| * |
| * - One, two, or three digit results (e.g. 5/55/555 MHz). |
| * - Results which contain commas (e.g. 1.234 / 12.34 / 123.4 kHz). |
| * - Results with zeroes right after the comma (e.g. 1.034 Hz). |
| * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=73 |
| * - Results with zeroes in the middle (e.g. 1.204 kHz). |
| * - All of the above, but using SR_MHZ() and friends. |
| * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=72 |
| * |
| * All of the above tests are done for the Hz/kHz/MHz/GHz ranges. |
| */ |
| |
| START_TEST(test_hz) |
| { |
| test_samplerate(0, "0 Hz"); |
| test_samplerate(1, "1 Hz"); |
| test_samplerate(23, "23 Hz"); |
| test_samplerate(644, "644 Hz"); |
| test_samplerate(604, "604 Hz"); |
| test_samplerate(550, "550 Hz"); |
| |
| /* Again, but now using SR_HZ(). */ |
| test_samplerate(SR_HZ(0), "0 Hz"); |
| test_samplerate(SR_HZ(1), "1 Hz"); |
| test_samplerate(SR_HZ(23), "23 Hz"); |
| test_samplerate(SR_HZ(644), "644 Hz"); |
| test_samplerate(SR_HZ(604), "604 Hz"); |
| test_samplerate(SR_HZ(550), "550 Hz"); |
| } |
| END_TEST |
| |
| START_TEST(test_khz) |
| { |
| test_samplerate(1000, "1 kHz"); |
| test_samplerate(99000, "99 kHz"); |
| test_samplerate(225000, "225 kHz"); |
| test_samplerate(1234, "1.234 kHz"); |
| test_samplerate(12345, "12.345 kHz"); |
| test_samplerate(123456, "123.456 kHz"); |
| test_samplerate(1034, "1.034 kHz"); |
| test_samplerate(1004, "1.004 kHz"); |
| test_samplerate(1230, "1.23 kHz"); |
| |
| /* Again, but now using SR_KHZ(). */ |
| test_samplerate(SR_KHZ(1), "1 kHz"); |
| test_samplerate(SR_KHZ(99), "99 kHz"); |
| test_samplerate(SR_KHZ(225), "225 kHz"); |
| test_samplerate(SR_KHZ(1.234), "1.234 kHz"); |
| test_samplerate(SR_KHZ(12.345), "12.345 kHz"); |
| test_samplerate(SR_KHZ(123.456), "123.456 kHz"); |
| test_samplerate(SR_KHZ(1.204), "1.204 kHz"); |
| test_samplerate(SR_KHZ(1.034), "1.034 kHz"); |
| test_samplerate(SR_KHZ(1.004), "1.004 kHz"); |
| test_samplerate(SR_KHZ(1.230), "1.23 kHz"); |
| } |
| END_TEST |
| |
| START_TEST(test_mhz) |
| { |
| test_samplerate(1000000, "1 MHz"); |
| test_samplerate(28000000, "28 MHz"); |
| test_samplerate(775000000, "775 MHz"); |
| test_samplerate(1234567, "1.234567 MHz"); |
| test_samplerate(12345678, "12.345678 MHz"); |
| test_samplerate(123456789, "123.456789 MHz"); |
| test_samplerate(1230007, "1.230007 MHz"); |
| test_samplerate(1034567, "1.034567 MHz"); |
| test_samplerate(1000007, "1.000007 MHz"); |
| test_samplerate(1234000, "1.234 MHz"); |
| |
| /* Again, but now using SR_MHZ(). */ |
| test_samplerate(SR_MHZ(1), "1 MHz"); |
| test_samplerate(SR_MHZ(28), "28 MHz"); |
| test_samplerate(SR_MHZ(775), "775 MHz"); |
| test_samplerate(SR_MHZ(1.234567), "1.234567 MHz"); |
| test_samplerate(SR_MHZ(12.345678), "12.345678 MHz"); |
| test_samplerate(SR_MHZ(123.456789), "123.456789 MHz"); |
| test_samplerate(SR_MHZ(1.230007), "1.230007 MHz"); |
| test_samplerate(SR_MHZ(1.034567), "1.034567 MHz"); |
| test_samplerate(SR_MHZ(1.000007), "1.000007 MHz"); |
| test_samplerate(SR_MHZ(1.234000), "1.234 MHz"); |
| } |
| END_TEST |
| |
| START_TEST(test_ghz) |
| { |
| /* Note: Numbers > 2^32 need a ULL suffix. */ |
| |
| test_samplerate(1000000000, "1 GHz"); |
| test_samplerate(5000000000ULL, "5 GHz"); |
| test_samplerate(72000000000ULL, "72 GHz"); |
| test_samplerate(388000000000ULL, "388 GHz"); |
| test_samplerate(4417594444ULL, "4.417594444 GHz"); |
| test_samplerate(44175944444ULL, "44.175944444 GHz"); |
| test_samplerate(441759444441ULL, "441.759444441 GHz"); |
| test_samplerate(441759000001ULL, "441.759000001 GHz"); |
| test_samplerate(441050000000ULL, "441.05 GHz"); |
| test_samplerate(441000000005ULL, "441.000000005 GHz"); |
| test_samplerate(441500000000ULL, "441.5 GHz"); |
| |
| /* Again, but now using SR_GHZ(). */ |
| test_samplerate(SR_GHZ(1), "1 GHz"); |
| test_samplerate(SR_GHZ(5), "5 GHz"); |
| test_samplerate(SR_GHZ(72), "72 GHz"); |
| test_samplerate(SR_GHZ(388), "388 GHz"); |
| test_samplerate(SR_GHZ(4.417594444), "4.417594444 GHz"); |
| test_samplerate(SR_GHZ(44.175944444), "44.175944444 GHz"); |
| test_samplerate(SR_GHZ(441.759444441), "441.759444441 GHz"); |
| test_samplerate(SR_GHZ(441.759000001), "441.759000001 GHz"); |
| test_samplerate(SR_GHZ(441.050000000), "441.05 GHz"); |
| test_samplerate(SR_GHZ(441.000000005), "441.000000005 GHz"); |
| test_samplerate(SR_GHZ(441.500000000), "441.5 GHz"); |
| |
| /* Now check the biggest-possible samplerate (2^64 Hz). */ |
| // test_samplerate(18446744073709551615ULL, "18446744073.709551615 GHz"); |
| // test_samplerate(SR_GHZ(18446744073ULL), "18446744073 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_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; |
| TCase *tc; |
| |
| s = suite_create("strutil"); |
| |
| tc = tcase_create("sr_samplerate_string"); |
| tcase_add_checked_fixture(tc, srtest_setup, srtest_teardown); |
| 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_integral); |
| tcase_add_test(tc, test_fractional); |
| tcase_add_test(tc, test_exponent); |
| suite_add_tcase(s, tc); |
| |
| return s; |
| } |