X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=tests%2Fcheck_strutil.c;fp=tests%2Fcheck_strutil.c;h=a439d6e161cbed8a1f96b47bf64a79fa2d96ce40;hb=79bb0e97d53526ef6deb491ea9c7698ed6e90631;hp=0000000000000000000000000000000000000000;hpb=d5585e32dd856b09d78acab2aac3ba6c78ad7752;p=libsigrok.git diff --git a/tests/check_strutil.c b/tests/check_strutil.c new file mode 100644 index 00000000..a439d6e1 --- /dev/null +++ b/tests/check_strutil.c @@ -0,0 +1,192 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2013 Uwe Hermann + * + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "../libsigrok.h" + +struct sr_context *sr_ctx; + +static void setup(void) +{ + int ret; + + ret = sr_init(&sr_ctx); + fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret); +} + +static void teardown(void) +{ + int ret; + + ret = sr_exit(sr_ctx); + fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret); +} + +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); +} + +/* + * 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 trailing zeroes (e.g. 1.230 kHz). + * (This is currently allowed, but might be changed later) + * - 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, "1.230 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), "1.230 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, "1.234000 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), "1.234000 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, "441.500000000 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), "441.500000000 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 + +Suite *suite_strutil(void) +{ + Suite *s; + TCase *tc; + + s = suite_create("strutil"); + + tc = tcase_create("sr_samplerate_string"); + tcase_add_checked_fixture(tc, setup, 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); + suite_add_tcase(s, tc); + + return s; +}