457 lines
14 KiB
C
457 lines
14 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <check.h>
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#include <errno.h>
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#include <locale.h>
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#include <libsigrok/libsigrok.h>
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#include "lib.h"
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#if 0
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static void test_vsnprintf(const char *expected, char *format, ...)
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{
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va_list args;
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char *s;
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int len;
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len = 16;
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s = g_malloc0(len + 1);
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va_start(args, format);
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len = vsnprintf(s, len, format, args);
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va_end(args);
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fail_unless(s != NULL,
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"Invalid result for '%s': len = %i.", expected, len);
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fail_unless(!strcmp(s, expected),
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"Invalid result for '%s': %s.", expected, s);
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g_free(s);
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}
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#endif
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static void test_sr_vsnprintf_ascii(const char *expected, char *format, ...)
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{
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va_list args;
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char *s;
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int len;
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len = 16;
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s = g_malloc0(len + 1);
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va_start(args, format);
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len = sr_vsnprintf_ascii(s, len, format, args);
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va_end(args);
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fail_unless(s != NULL,
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"Invalid result for '%s': len = %i.", expected, len);
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fail_unless(!strcmp(s, expected),
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"Invalid result for '%s': %s.", expected, s);
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g_free(s);
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}
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static void test_sr_vsprintf_ascii(const char *expected, char *format, ...)
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{
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va_list args, args_copy;
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char *s;
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int len;
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/* Get length of buffer required. */
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va_start(args, format);
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va_copy(args_copy, args);
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len = sr_vsnprintf_ascii(NULL, 0, format, args);
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va_end(args);
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/* Allocate buffer and write out command. */
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s = g_malloc0(len + 1);
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len = sr_vsprintf_ascii(s, format, args_copy);
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va_end(args_copy);
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fail_unless(s != NULL,
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"Invalid result for '%s': len = %i.", expected, len);
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fail_unless(!strcmp(s, expected),
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"Invalid result for '%s': %s.", expected, s);
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g_free(s);
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}
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static void test_samplerate(uint64_t samplerate, const char *expected)
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{
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char *s;
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s = sr_samplerate_string(samplerate);
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fail_unless(s != NULL);
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fail_unless(!strcmp(s, expected),
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"Invalid result for '%s': %s.", expected, s);
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g_free(s);
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}
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static void test_period(uint64_t v_p, uint64_t v_q, const char *expected)
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{
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char *s;
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s = sr_period_string(v_p, v_q);
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fail_unless(s != NULL);
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fail_unless(!strcmp(s, expected),
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"Invalid result for '%s': %s.", expected, s);
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g_free(s);
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}
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static void test_rational(const char *input, struct sr_rational expected)
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{
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int ret;
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struct sr_rational rational;
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ret = sr_parse_rational(input, &rational);
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fail_unless(ret == SR_OK, "Unexpected rc for '%s': %d, errno %d.",
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input, ret, errno);
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fail_unless((expected.p == rational.p) && (expected.q == rational.q),
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"Invalid result for '%s': %ld/%ld'.",
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input, rational.p, rational.q);
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}
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static void test_rational_fail(const char *input)
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{
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int ret;
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struct sr_rational rational;
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ret = sr_parse_rational(input, &rational);
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fail_unless(ret != SR_OK, "Unexpected success for '%s'.", input);
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}
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static void test_voltage(uint64_t v_p, uint64_t v_q, const char *expected)
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{
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char *s;
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s = sr_voltage_string(v_p, v_q);
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fail_unless(s != NULL);
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fail_unless(!strcmp(s, expected),
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"Invalid result for '%s': %s.", expected, s);
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g_free(s);
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}
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START_TEST(test_locale)
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{
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char *old_locale, *saved_locale;
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/* Get the the current locale. */
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old_locale = setlocale(LC_NUMERIC, NULL);
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fprintf(stderr, "Old locale = %s\n", old_locale);
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/* Copy the name so it won’t be clobbered by setlocale. */
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saved_locale = g_strdup(old_locale);
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ck_assert_msg(saved_locale != NULL);
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#ifdef _WIN32
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/*
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* See: https://msdn.microsoft.com/en-us/library/cc233982.aspx
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* Doesn't work! Locale is not set!
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*/
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setlocale(LC_NUMERIC, "de-DE");
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#else
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/*
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* For all *nix and OSX systems, change the locale for all threads to
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* one that is known for not working correctly with printf(), e.g.
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* "de_DE.UTF-8".
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*
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* Find all your available system locales with "locale -a".
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*/
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setlocale(LC_NUMERIC, "de_DE.UTF-8");
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#endif
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fprintf(stderr, "New locale = %s\n", setlocale(LC_NUMERIC, NULL));
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test_sr_vsnprintf_ascii("0.1", "%.1f", (double)0.1);
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test_sr_vsnprintf_ascii("0.12", "%.2f", (double)0.12);
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test_sr_vsnprintf_ascii("0.123", "%.3f", (double)0.123);
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test_sr_vsnprintf_ascii("0.1234", "%.4f", (double)0.1234);
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test_sr_vsnprintf_ascii("0.12345", "%.5f", (double)0.12345);
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test_sr_vsnprintf_ascii("0.123456", "%.6f", (double)0.123456);
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test_sr_vsprintf_ascii("0.1", "%.1f", (double)0.1);
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test_sr_vsprintf_ascii("0.12", "%.2f", (double)0.12);
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test_sr_vsprintf_ascii("0.123", "%.3f", (double)0.123);
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test_sr_vsprintf_ascii("0.1234", "%.4f", (double)0.1234);
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test_sr_vsprintf_ascii("0.12345", "%.5f", (double)0.12345);
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test_sr_vsprintf_ascii("0.123456", "%.6f", (double)0.123456);
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#if 0
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/*
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* These tests can be used to tell on which platforms the printf()
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* functions are locale-dependent (i.e. these tests will fail).
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*/
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test_vsnprintf("0.1", "%.1f", (double)0.1);
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test_vsnprintf("0.12", "%.2f", (double)0.12);
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test_vsnprintf("0.123", "%.3f", (double)0.123);
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test_vsnprintf("0.1234", "%.4f", (double)0.1234);
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test_vsnprintf("0.12345", "%.5f", (double)0.12345);
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test_vsnprintf("0.123456", "%.6f", (double)0.123456);
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#endif
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/* Restore the original locale. */
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setlocale(LC_NUMERIC, saved_locale);
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g_free(saved_locale);
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}
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END_TEST
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/*
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* Check various inputs for sr_samplerate_string():
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*
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* - One, two, or three digit results (e.g. 5/55/555 MHz).
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* - Results which contain commas (e.g. 1.234 / 12.34 / 123.4 kHz).
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* - Results with zeroes right after the comma (e.g. 1.034 Hz).
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* See also: http://sigrok.org/bugzilla/show_bug.cgi?id=73
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* - Results with zeroes in the middle (e.g. 1.204 kHz).
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* - All of the above, but using SR_MHZ() and friends.
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* See also: http://sigrok.org/bugzilla/show_bug.cgi?id=72
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*
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* All of the above tests are done for the Hz/kHz/MHz/GHz ranges.
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*/
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START_TEST(test_hz)
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{
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test_samplerate(0, "0 Hz");
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test_samplerate(1, "1 Hz");
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test_samplerate(23, "23 Hz");
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test_samplerate(644, "644 Hz");
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test_samplerate(604, "604 Hz");
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test_samplerate(550, "550 Hz");
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/* Again, but now using SR_HZ(). */
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test_samplerate(SR_HZ(0), "0 Hz");
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test_samplerate(SR_HZ(1), "1 Hz");
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test_samplerate(SR_HZ(23), "23 Hz");
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test_samplerate(SR_HZ(644), "644 Hz");
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test_samplerate(SR_HZ(604), "604 Hz");
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test_samplerate(SR_HZ(550), "550 Hz");
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}
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END_TEST
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START_TEST(test_khz)
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{
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test_samplerate(1000, "1 kHz");
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test_samplerate(99000, "99 kHz");
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test_samplerate(225000, "225 kHz");
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test_samplerate(1234, "1.234 kHz");
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test_samplerate(12345, "12.345 kHz");
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test_samplerate(123456, "123.456 kHz");
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test_samplerate(1034, "1.034 kHz");
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test_samplerate(1004, "1.004 kHz");
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test_samplerate(1230, "1.23 kHz");
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/* Again, but now using SR_KHZ(). */
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test_samplerate(SR_KHZ(1), "1 kHz");
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test_samplerate(SR_KHZ(99), "99 kHz");
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test_samplerate(SR_KHZ(225), "225 kHz");
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test_samplerate(SR_KHZ(1.234), "1.234 kHz");
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test_samplerate(SR_KHZ(12.345), "12.345 kHz");
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test_samplerate(SR_KHZ(123.456), "123.456 kHz");
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test_samplerate(SR_KHZ(1.204), "1.204 kHz");
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test_samplerate(SR_KHZ(1.034), "1.034 kHz");
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test_samplerate(SR_KHZ(1.004), "1.004 kHz");
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test_samplerate(SR_KHZ(1.230), "1.23 kHz");
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}
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END_TEST
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START_TEST(test_mhz)
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{
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test_samplerate(1000000, "1 MHz");
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test_samplerate(28000000, "28 MHz");
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test_samplerate(775000000, "775 MHz");
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test_samplerate(1234567, "1.234567 MHz");
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test_samplerate(12345678, "12.345678 MHz");
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test_samplerate(123456789, "123.456789 MHz");
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test_samplerate(1230007, "1.230007 MHz");
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test_samplerate(1034567, "1.034567 MHz");
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test_samplerate(1000007, "1.000007 MHz");
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test_samplerate(1234000, "1.234 MHz");
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/* Again, but now using SR_MHZ(). */
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test_samplerate(SR_MHZ(1), "1 MHz");
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test_samplerate(SR_MHZ(28), "28 MHz");
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test_samplerate(SR_MHZ(775), "775 MHz");
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test_samplerate(SR_MHZ(1.234567), "1.234567 MHz");
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test_samplerate(SR_MHZ(12.345678), "12.345678 MHz");
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test_samplerate(SR_MHZ(123.456789), "123.456789 MHz");
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test_samplerate(SR_MHZ(1.230007), "1.230007 MHz");
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test_samplerate(SR_MHZ(1.034567), "1.034567 MHz");
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test_samplerate(SR_MHZ(1.000007), "1.000007 MHz");
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test_samplerate(SR_MHZ(1.234000), "1.234 MHz");
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}
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END_TEST
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START_TEST(test_ghz)
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{
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test_samplerate(UINT64_C(1000000000), "1 GHz");
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test_samplerate(UINT64_C(5000000000), "5 GHz");
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test_samplerate(UINT64_C(72000000000), "72 GHz");
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test_samplerate(UINT64_C(388000000000), "388 GHz");
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test_samplerate(UINT64_C(4417594444), "4.417594444 GHz");
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test_samplerate(UINT64_C(44175944444), "44.175944444 GHz");
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test_samplerate(UINT64_C(441759444441), "441.759444441 GHz");
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test_samplerate(UINT64_C(441759000001), "441.759000001 GHz");
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test_samplerate(UINT64_C(441050000000), "441.05 GHz");
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test_samplerate(UINT64_C(441000000005), "441.000000005 GHz");
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test_samplerate(UINT64_C(441500000000), "441.5 GHz");
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/* Again, but now using SR_GHZ(). */
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test_samplerate(SR_GHZ(1), "1 GHz");
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test_samplerate(SR_GHZ(5), "5 GHz");
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test_samplerate(SR_GHZ(72), "72 GHz");
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test_samplerate(SR_GHZ(388), "388 GHz");
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test_samplerate(SR_GHZ(4.417594444), "4.417594444 GHz");
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test_samplerate(SR_GHZ(44.175944444), "44.175944444 GHz");
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test_samplerate(SR_GHZ(441.759444441), "441.759444441 GHz");
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test_samplerate(SR_GHZ(441.759000001), "441.759000001 GHz");
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test_samplerate(SR_GHZ(441.050000000), "441.05 GHz");
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test_samplerate(SR_GHZ(441.000000005), "441.000000005 GHz");
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test_samplerate(SR_GHZ(441.500000000), "441.5 GHz");
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/* Now check the biggest-possible samplerate (2^64 Hz). */
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// test_samplerate(UINT64_C(18446744073709551615), "18446744073.709551615 GHz");
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// test_samplerate(SR_GHZ(UINT64_C(18446744073)), "18446744073 GHz");
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}
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END_TEST
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START_TEST(test_hz_period)
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{
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test_period(1, 1, "1 s");
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test_period(1, 5, "200 ms");
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test_period(1, 72, "13.889 ms");
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test_period(1, 388, "2.577 ms");
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test_period(10, 1000, "10 ms");
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/* Again, but now using SR_HZ(). */
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test_period(1, SR_HZ(1), "1 s");
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test_period(1, SR_HZ(5), "200 ms");
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test_period(1, SR_HZ(72), "13.889 ms");
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test_period(1, SR_HZ(388), "2.577 ms");
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test_period(10, SR_HZ(100), "100 ms");
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}
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END_TEST
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START_TEST(test_ghz_period)
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{
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test_period(1, UINT64_C(1000000000), "1 ns");
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test_period(1, UINT64_C(5000000000), "200 ps");
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test_period(1, UINT64_C(72000000000), "13.889 ps");
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test_period(1, UINT64_C(388000000000), "2.577 ps");
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test_period(10, UINT64_C(1000000000000), "10 ps");
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test_period(200, UINT64_C(1000000000000), "200 ps");
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/* Again, but now using SR_GHZ(). */
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test_period(1, SR_GHZ(1), "1 ns");
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test_period(1, SR_GHZ(5), "200 ps");
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test_period(1, SR_GHZ(72), "13.889 ps");
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test_period(1, SR_GHZ(388), "2.577 ps");
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test_period(10, SR_GHZ(1), "10 ns");
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test_period(200, SR_GHZ(1000), "200 ps");
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}
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END_TEST
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START_TEST(test_volt)
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{
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test_voltage(34, 1, "34 V");
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test_voltage(34, 2, "17 V");
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test_voltage(1, 1, "1 V");
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test_voltage(1, 5, "0.2 V");
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test_voltage(200, 1000, "200 mV");
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test_voltage(1, 72, "0.0138889 V");
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test_voltage(1, 388, "0.00257732 V");
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test_voltage(10, 1000, "10 mV");
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}
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END_TEST
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START_TEST(test_integral)
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{
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test_rational("1", (struct sr_rational){1, 1});
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test_rational("2", (struct sr_rational){2, 1});
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test_rational("10", (struct sr_rational){10, 1});
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test_rational("-255", (struct sr_rational){-255, 1});
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}
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END_TEST
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START_TEST(test_fractional)
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{
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test_rational("0.1", (struct sr_rational){1, 10});
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test_rational("1.0", (struct sr_rational){10, 10});
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test_rational("1.2", (struct sr_rational){12, 10});
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test_rational("12.34", (struct sr_rational){1234, 100});
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test_rational("-12.34", (struct sr_rational){-1234, 100});
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test_rational("10.00", (struct sr_rational){1000, 100});
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test_rational(".1", (struct sr_rational){1, 10});
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test_rational("+0.1", (struct sr_rational){1, 10});
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test_rational("+.1", (struct sr_rational){1, 10});
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test_rational("-0.1", (struct sr_rational){-1, 10});
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test_rational("-.1", (struct sr_rational){-1, 10});
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test_rational(".1", (struct sr_rational){1, 10});
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test_rational(".123", (struct sr_rational){123, 1000});
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test_rational("1.", (struct sr_rational){1, 1});
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test_rational("123.", (struct sr_rational){123, 1});
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test_rational("-.1", (struct sr_rational){-1, 10});
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test_rational(" .1", (struct sr_rational){1, 10});
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test_rational("+.1", (struct sr_rational){1, 10});
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test_rational_fail(".");
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test_rational_fail(".e");
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test_rational_fail(".e1");
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}
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END_TEST
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START_TEST(test_exponent)
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{
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test_rational("1e0", (struct sr_rational){1, 1});
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test_rational("1E0", (struct sr_rational){1, 1});
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test_rational("1E1", (struct sr_rational){10, 1});
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test_rational("1e-1", (struct sr_rational){1, 10});
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test_rational("-1.234e-0", (struct sr_rational){-1234, 1000});
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test_rational("-1.234e3", (struct sr_rational){-1234, 1});
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test_rational("-1.234e-3", (struct sr_rational){-1234, 1000000});
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test_rational("0.001e3", (struct sr_rational){1, 1});
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test_rational("0.001e0", (struct sr_rational){1, 1000});
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test_rational("0.001e-3", (struct sr_rational){1, 1000000});
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test_rational("43.737E-3", (struct sr_rational){43737, 1000000});
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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;
|
||
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_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;
|
||
}
|