[libsigrok.git] / tests / strutil.c

/*
 * 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);
}

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);
}

/*
 * 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_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});
}
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_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;
}
Commit	Line	Data
79bb0e97 UH	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
2ea1fdf1	17	* along with this program; if not, see <http://www.gnu.org/licenses/>.
79bb0e97 UH	18	*/
79bb0e97 UH	19
6ec6c43b	20	#include <config.h>
79bb0e97	21	#include <check.h>
4960aeb0	22	#include <libsigrok/libsigrok.h>
17794067	23	#include "lib.h"
79bb0e97	24
79bb0e97 UH	25	static void test_samplerate(uint64_t samplerate, const char *expected)
	26	{
	27	char *s;
	28
	29	s = sr_samplerate_string(samplerate);
	30	fail_unless(s != NULL);
	31	fail_unless(!strcmp(s, expected),
	32	"Invalid result for '%s': %s.", expected, s);
	33	g_free(s);
	34	}
	35
6984cfb2	36	static void test_period(uint64_t v_p, uint64_t v_q, const char *expected)
5223412e SB	37	{
	38	char *s;
	39
6984cfb2	40	s = sr_period_string(v_p, v_q);
5223412e SB	41	fail_unless(s != NULL);
	42	fail_unless(!strcmp(s, expected),
	43	"Invalid result for '%s': %s.", expected, s);
	44	g_free(s);
	45	}
	46
5ec172d7 SB	47	static void test_rational(const char *input, struct sr_rational expected)
	48	{
	49	int ret;
	50	struct sr_rational rational;
	51
	52	ret = sr_parse_rational(input, &rational);
	53	fail_unless(ret == SR_OK);
	54	fail_unless((expected.p == rational.p) && (expected.q == rational.q),
	55	"Invalid result for '%s': %ld/%ld'.",
	56	input, rational.p, rational.q);
	57	}
	58
c911599d UH	59	static void test_voltage(uint64_t v_p, uint64_t v_q, const char *expected)
	60	{
	61	char *s;
	62
	63	s = sr_voltage_string(v_p, v_q);
	64	fail_unless(s != NULL);
	65	fail_unless(!strcmp(s, expected),
	66	"Invalid result for '%s': %s.", expected, s);
	67	g_free(s);
	68	}
	69
79bb0e97 UH	70	/*
	71	* Check various inputs for sr_samplerate_string():
	72	*
	73	* - One, two, or three digit results (e.g. 5/55/555 MHz).
	74	* - Results which contain commas (e.g. 1.234 / 12.34 / 123.4 kHz).
	75	* - Results with zeroes right after the comma (e.g. 1.034 Hz).
	76	* See also: http://sigrok.org/bugzilla/show_bug.cgi?id=73
79bb0e97 UH	77	* - Results with zeroes in the middle (e.g. 1.204 kHz).
	78	* - All of the above, but using SR_MHZ() and friends.
	79	* See also: http://sigrok.org/bugzilla/show_bug.cgi?id=72
	80	*
	81	* All of the above tests are done for the Hz/kHz/MHz/GHz ranges.
	82	*/
	83
	84	START_TEST(test_hz)
	85	{
	86	test_samplerate(0, "0 Hz");
	87	test_samplerate(1, "1 Hz");
	88	test_samplerate(23, "23 Hz");
	89	test_samplerate(644, "644 Hz");
	90	test_samplerate(604, "604 Hz");
	91	test_samplerate(550, "550 Hz");
	92
	93	/* Again, but now using SR_HZ(). */
	94	test_samplerate(SR_HZ(0), "0 Hz");
	95	test_samplerate(SR_HZ(1), "1 Hz");
	96	test_samplerate(SR_HZ(23), "23 Hz");
	97	test_samplerate(SR_HZ(644), "644 Hz");
	98	test_samplerate(SR_HZ(604), "604 Hz");
	99	test_samplerate(SR_HZ(550), "550 Hz");
	100	}
	101	END_TEST
	102
	103	START_TEST(test_khz)
	104	{
	105	test_samplerate(1000, "1 kHz");
	106	test_samplerate(99000, "99 kHz");
	107	test_samplerate(225000, "225 kHz");
	108	test_samplerate(1234, "1.234 kHz");
	109	test_samplerate(12345, "12.345 kHz");
	110	test_samplerate(123456, "123.456 kHz");
	111	test_samplerate(1034, "1.034 kHz");
	112	test_samplerate(1004, "1.004 kHz");
ba253f2b	113	test_samplerate(1230, "1.23 kHz");
79bb0e97 UH	114
	115	/* Again, but now using SR_KHZ(). */
	116	test_samplerate(SR_KHZ(1), "1 kHz");
	117	test_samplerate(SR_KHZ(99), "99 kHz");
	118	test_samplerate(SR_KHZ(225), "225 kHz");
	119	test_samplerate(SR_KHZ(1.234), "1.234 kHz");
	120	test_samplerate(SR_KHZ(12.345), "12.345 kHz");
	121	test_samplerate(SR_KHZ(123.456), "123.456 kHz");
	122	test_samplerate(SR_KHZ(1.204), "1.204 kHz");
	123	test_samplerate(SR_KHZ(1.034), "1.034 kHz");
	124	test_samplerate(SR_KHZ(1.004), "1.004 kHz");
ba253f2b	125	test_samplerate(SR_KHZ(1.230), "1.23 kHz");
79bb0e97 UH	126	}
	127	END_TEST
	128
	129	START_TEST(test_mhz)
	130	{
	131	test_samplerate(1000000, "1 MHz");
	132	test_samplerate(28000000, "28 MHz");
	133	test_samplerate(775000000, "775 MHz");
	134	test_samplerate(1234567, "1.234567 MHz");
	135	test_samplerate(12345678, "12.345678 MHz");
	136	test_samplerate(123456789, "123.456789 MHz");
	137	test_samplerate(1230007, "1.230007 MHz");
	138	test_samplerate(1034567, "1.034567 MHz");
	139	test_samplerate(1000007, "1.000007 MHz");
ba253f2b	140	test_samplerate(1234000, "1.234 MHz");
79bb0e97 UH	141
	142	/* Again, but now using SR_MHZ(). */
	143	test_samplerate(SR_MHZ(1), "1 MHz");
	144	test_samplerate(SR_MHZ(28), "28 MHz");
	145	test_samplerate(SR_MHZ(775), "775 MHz");
	146	test_samplerate(SR_MHZ(1.234567), "1.234567 MHz");
	147	test_samplerate(SR_MHZ(12.345678), "12.345678 MHz");
	148	test_samplerate(SR_MHZ(123.456789), "123.456789 MHz");
	149	test_samplerate(SR_MHZ(1.230007), "1.230007 MHz");
	150	test_samplerate(SR_MHZ(1.034567), "1.034567 MHz");
	151	test_samplerate(SR_MHZ(1.000007), "1.000007 MHz");
ba253f2b	152	test_samplerate(SR_MHZ(1.234000), "1.234 MHz");
79bb0e97 UH	153	}
	154	END_TEST
	155
	156	START_TEST(test_ghz)
	157	{
	158	/* Note: Numbers > 2^32 need a ULL suffix. */
	159
	160	test_samplerate(1000000000, "1 GHz");
	161	test_samplerate(5000000000ULL, "5 GHz");
	162	test_samplerate(72000000000ULL, "72 GHz");
	163	test_samplerate(388000000000ULL, "388 GHz");
	164	test_samplerate(4417594444ULL, "4.417594444 GHz");
	165	test_samplerate(44175944444ULL, "44.175944444 GHz");
	166	test_samplerate(441759444441ULL, "441.759444441 GHz");
	167	test_samplerate(441759000001ULL, "441.759000001 GHz");
	168	test_samplerate(441050000000ULL, "441.05 GHz");
	169	test_samplerate(441000000005ULL, "441.000000005 GHz");
ba253f2b	170	test_samplerate(441500000000ULL, "441.5 GHz");
79bb0e97 UH	171
	172	/* Again, but now using SR_GHZ(). */
	173	test_samplerate(SR_GHZ(1), "1 GHz");
	174	test_samplerate(SR_GHZ(5), "5 GHz");
	175	test_samplerate(SR_GHZ(72), "72 GHz");
	176	test_samplerate(SR_GHZ(388), "388 GHz");
	177	test_samplerate(SR_GHZ(4.417594444), "4.417594444 GHz");
	178	test_samplerate(SR_GHZ(44.175944444), "44.175944444 GHz");
	179	test_samplerate(SR_GHZ(441.759444441), "441.759444441 GHz");
	180	test_samplerate(SR_GHZ(441.759000001), "441.759000001 GHz");
	181	test_samplerate(SR_GHZ(441.050000000), "441.05 GHz");
	182	test_samplerate(SR_GHZ(441.000000005), "441.000000005 GHz");
ba253f2b	183	test_samplerate(SR_GHZ(441.500000000), "441.5 GHz");
79bb0e97 UH	184
79bb0e97 UH	185	/* Now check the biggest-possible samplerate (2^64 Hz). */
059f3632 UH	186	// test_samplerate(18446744073709551615ULL, "18446744073.709551615 GHz");
059f3632 UH	187	// test_samplerate(SR_GHZ(18446744073ULL), "18446744073 GHz");
79bb0e97 UH	188	}
	189	END_TEST
	190
5223412e SB	191	START_TEST(test_hz_period)
5223412e SB	192	{
6984cfb2 SA	193	test_period(1, 1, "1 s");
	194	test_period(1, 5, "200 ms");
	195	test_period(1, 72, "13.889 ms");
	196	test_period(1, 388, "2.577 ms");
	197	test_period(10, 1000, "10 ms");
5223412e SB	198
5223412e SB	199	/* Again, but now using SR_HZ(). */
6984cfb2 SA	200	test_period(1, SR_HZ(1), "1 s");
	201	test_period(1, SR_HZ(5), "200 ms");
	202	test_period(1, SR_HZ(72), "13.889 ms");
	203	test_period(1, SR_HZ(388), "2.577 ms");
	204	test_period(10, SR_HZ(100), "100 ms");
5223412e SB	205	}
	206	END_TEST
	207
	208	START_TEST(test_ghz_period)
	209	{
	210	/* Note: Numbers > 2^32 need a ULL suffix. */
6984cfb2 SA	211	test_period(1, 1000000000, "1 ns");
	212	test_period(1, 5000000000ULL, "200 ps");
	213	test_period(1, 72000000000ULL, "13.889 ps");
	214	test_period(1, 388000000000ULL, "2.577 ps");
	215	test_period(10, 1000000000000, "10 ps");
	216	test_period(200, 1000000000000ULL, "200 ps");
5223412e SB	217
5223412e SB	218	/* Again, but now using SR_GHZ(). */
6984cfb2 SA	219	test_period(1, SR_GHZ(1), "1 ns");
	220	test_period(1, SR_GHZ(5), "200 ps");
	221	test_period(1, SR_GHZ(72), "13.889 ps");
	222	test_period(1, SR_GHZ(388), "2.577 ps");
	223	test_period(10, SR_GHZ(1), "10 ns");
	224	test_period(200, SR_GHZ(1000), "200 ps");
5223412e SB	225	}
	226	END_TEST
	227
c911599d UH	228	START_TEST(test_volt)
c911599d UH	229	{
b5df922e UH	230	test_voltage(34, 1, "34 V");
	231	test_voltage(34, 2, "17 V");
	232	test_voltage(1, 1, "1 V");
	233	test_voltage(1, 5, "0.2 V");
	234	test_voltage(200, 1000, "200 mV");
	235	test_voltage(1, 72, "0.0138889 V");
	236	test_voltage(1, 388, "0.00257732 V");
	237	test_voltage(10, 1000, "10 mV");
c911599d UH	238	}
	239	END_TEST
	240
5ec172d7 SB	241	START_TEST(test_integral)
	242	{
	243	test_rational("1", (struct sr_rational){1, 1});
	244	test_rational("2", (struct sr_rational){2, 1});
	245	test_rational("10", (struct sr_rational){10, 1});
	246	test_rational("-255", (struct sr_rational){-255, 1});
	247	}
	248	END_TEST
	249
	250	START_TEST(test_fractional)
	251	{
	252	test_rational("0.1", (struct sr_rational){1, 10});
	253	test_rational("1.0", (struct sr_rational){10, 10});
	254	test_rational("1.2", (struct sr_rational){12, 10});
	255	test_rational("12.34", (struct sr_rational){1234, 100});
	256	test_rational("-12.34", (struct sr_rational){-1234, 100});
	257	test_rational("10.00", (struct sr_rational){1000, 100});
	258	}
	259	END_TEST
	260
	261	START_TEST(test_exponent)
	262	{
	263	test_rational("1e0", (struct sr_rational){1, 1});
	264	test_rational("1E0", (struct sr_rational){1, 1});
	265	test_rational("1E1", (struct sr_rational){10, 1});
	266	test_rational("1e-1", (struct sr_rational){1, 10});
	267	test_rational("-1.234e-0", (struct sr_rational){-1234, 1000});
	268	test_rational("-1.234e3", (struct sr_rational){-1234, 1});
	269	test_rational("-1.234e-3", (struct sr_rational){-1234, 1000000});
	270	test_rational("0.001e3", (struct sr_rational){1, 1});
	271	test_rational("0.001e0", (struct sr_rational){1, 1000});
	272	test_rational("0.001e-3", (struct sr_rational){1, 1000000});
	273	}
	274	END_TEST
	275
79bb0e97 UH	276	Suite *suite_strutil(void)
	277	{
	278	Suite *s;
	279	TCase *tc;
	280
	281	s = suite_create("strutil");
	282
	283	tc = tcase_create("sr_samplerate_string");
98de0c78	284	tcase_add_checked_fixture(tc, srtest_setup, srtest_teardown);
79bb0e97 UH	285	tcase_add_test(tc, test_hz);
	286	tcase_add_test(tc, test_khz);
	287	tcase_add_test(tc, test_mhz);
	288	tcase_add_test(tc, test_ghz);
5223412e SB	289	tcase_add_test(tc, test_hz_period);
5223412e SB	290	tcase_add_test(tc, test_ghz_period);
c911599d	291	tcase_add_test(tc, test_volt);
5ec172d7 SB	292	tcase_add_test(tc, test_integral);
	293	tcase_add_test(tc, test_fractional);
	294	tcase_add_test(tc, test_exponent);
79bb0e97 UH	295	suite_add_tcase(s, tc);
	296
	297	return s;
	298	}