[libsigrok.git] / tests / check_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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <check.h>
#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;
}
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
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include <check.h>
	22	#include "../libsigrok.h"
	23
	24	struct sr_context *sr_ctx;
	25
	26	static void setup(void)
	27	{
	28	int ret;
	29
	30	ret = sr_init(&sr_ctx);
	31	fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret);
	32	}
	33
	34	static void teardown(void)
	35	{
	36	int ret;
	37
	38	ret = sr_exit(sr_ctx);
	39	fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret);
	40	}
	41
	42	static void test_samplerate(uint64_t samplerate, const char *expected)
	43	{
	44	char *s;
	45
	46	s = sr_samplerate_string(samplerate);
	47	fail_unless(s != NULL);
	48	fail_unless(!strcmp(s, expected),
	49	"Invalid result for '%s': %s.", expected, s);
	50	g_free(s);
	51	}
	52
	53	/*
	54	* Check various inputs for sr_samplerate_string():
	55	*
	56	* - One, two, or three digit results (e.g. 5/55/555 MHz).
	57	* - Results which contain commas (e.g. 1.234 / 12.34 / 123.4 kHz).
	58	* - Results with zeroes right after the comma (e.g. 1.034 Hz).
	59	* See also: http://sigrok.org/bugzilla/show_bug.cgi?id=73
	60	* - Results with trailing zeroes (e.g. 1.230 kHz).
	61	* (This is currently allowed, but might be changed later)
	62	* - Results with zeroes in the middle (e.g. 1.204 kHz).
	63	* - All of the above, but using SR_MHZ() and friends.
	64	* See also: http://sigrok.org/bugzilla/show_bug.cgi?id=72
65	*
66	* All of the above tests are done for the Hz/kHz/MHz/GHz ranges.
67	*/
68
69	START_TEST(test_hz)
70	{
71	test_samplerate(0, "0 Hz");
72	test_samplerate(1, "1 Hz");
73	test_samplerate(23, "23 Hz");
74	test_samplerate(644, "644 Hz");
75	test_samplerate(604, "604 Hz");
76	test_samplerate(550, "550 Hz");
77
78	/* Again, but now using SR_HZ(). */
79	test_samplerate(SR_HZ(0), "0 Hz");
80	test_samplerate(SR_HZ(1), "1 Hz");
81	test_samplerate(SR_HZ(23), "23 Hz");
82	test_samplerate(SR_HZ(644), "644 Hz");
83	test_samplerate(SR_HZ(604), "604 Hz");
84	test_samplerate(SR_HZ(550), "550 Hz");
85	}
86	END_TEST
87
88	START_TEST(test_khz)
89	{
90	test_samplerate(1000, "1 kHz");
91	test_samplerate(99000, "99 kHz");
92	test_samplerate(225000, "225 kHz");
93	test_samplerate(1234, "1.234 kHz");
94	test_samplerate(12345, "12.345 kHz");
95	test_samplerate(123456, "123.456 kHz");
96	test_samplerate(1034, "1.034 kHz");
97	test_samplerate(1004, "1.004 kHz");
98	test_samplerate(1230, "1.230 kHz");
99
100	/* Again, but now using SR_KHZ(). */
101	test_samplerate(SR_KHZ(1), "1 kHz");
102	test_samplerate(SR_KHZ(99), "99 kHz");
103	test_samplerate(SR_KHZ(225), "225 kHz");
104	test_samplerate(SR_KHZ(1.234), "1.234 kHz");
105	test_samplerate(SR_KHZ(12.345), "12.345 kHz");
106	test_samplerate(SR_KHZ(123.456), "123.456 kHz");
107	test_samplerate(SR_KHZ(1.204), "1.204 kHz");
108	test_samplerate(SR_KHZ(1.034), "1.034 kHz");
109	test_samplerate(SR_KHZ(1.004), "1.004 kHz");
110	test_samplerate(SR_KHZ(1.230), "1.230 kHz");
111	}
112	END_TEST
113
114	START_TEST(test_mhz)
115	{
116	test_samplerate(1000000, "1 MHz");
117	test_samplerate(28000000, "28 MHz");
118	test_samplerate(775000000, "775 MHz");
119	test_samplerate(1234567, "1.234567 MHz");
120	test_samplerate(12345678, "12.345678 MHz");
121	test_samplerate(123456789, "123.456789 MHz");
122	test_samplerate(1230007, "1.230007 MHz");
123	test_samplerate(1034567, "1.034567 MHz");
124	test_samplerate(1000007, "1.000007 MHz");
125	test_samplerate(1234000, "1.234000 MHz");
126
127	/* Again, but now using SR_MHZ(). */
128	test_samplerate(SR_MHZ(1), "1 MHz");
129	test_samplerate(SR_MHZ(28), "28 MHz");
130	test_samplerate(SR_MHZ(775), "775 MHz");
131	test_samplerate(SR_MHZ(1.234567), "1.234567 MHz");
132	test_samplerate(SR_MHZ(12.345678), "12.345678 MHz");
133	test_samplerate(SR_MHZ(123.456789), "123.456789 MHz");
134	test_samplerate(SR_MHZ(1.230007), "1.230007 MHz");
135	test_samplerate(SR_MHZ(1.034567), "1.034567 MHz");
136	test_samplerate(SR_MHZ(1.000007), "1.000007 MHz");
137	test_samplerate(SR_MHZ(1.234000), "1.234000 MHz");
138	}
139	END_TEST
140
141	START_TEST(test_ghz)
142	{
143	/* Note: Numbers > 2^32 need a ULL suffix. */
144
145	test_samplerate(1000000000, "1 GHz");
146	test_samplerate(5000000000ULL, "5 GHz");
147	test_samplerate(72000000000ULL, "72 GHz");
148	test_samplerate(388000000000ULL, "388 GHz");
149	test_samplerate(4417594444ULL, "4.417594444 GHz");
150	test_samplerate(44175944444ULL, "44.175944444 GHz");
151	test_samplerate(441759444441ULL, "441.759444441 GHz");
152	test_samplerate(441759000001ULL, "441.759000001 GHz");
153	test_samplerate(441050000000ULL, "441.05 GHz");
154	test_samplerate(441000000005ULL, "441.000000005 GHz");
155	test_samplerate(441500000000ULL, "441.500000000 GHz");
156
157	/* Again, but now using SR_GHZ(). */
158	test_samplerate(SR_GHZ(1), "1 GHz");
159	test_samplerate(SR_GHZ(5), "5 GHz");
160	test_samplerate(SR_GHZ(72), "72 GHz");
161	test_samplerate(SR_GHZ(388), "388 GHz");
162	test_samplerate(SR_GHZ(4.417594444), "4.417594444 GHz");
163	test_samplerate(SR_GHZ(44.175944444), "44.175944444 GHz");
164	test_samplerate(SR_GHZ(441.759444441), "441.759444441 GHz");
165	test_samplerate(SR_GHZ(441.759000001), "441.759000001 GHz");
166	test_samplerate(SR_GHZ(441.050000000), "441.05 GHz");
167	test_samplerate(SR_GHZ(441.000000005), "441.000000005 GHz");
168	test_samplerate(SR_GHZ(441.500000000), "441.500000000 GHz");
169
170	/* Now check the biggest-possible samplerate (2^64 Hz). */
171	test_samplerate(18446744073709551615ULL, "18446744073.709551615 GHz");
172	test_samplerate(SR_GHZ(18446744073ULL), "18446744073 GHz");
173	}
174	END_TEST
175
176	Suite *suite_strutil(void)
177	{
178	Suite *s;
179	TCase *tc;
180
181	s = suite_create("strutil");
182
183	tc = tcase_create("sr_samplerate_string");
184	tcase_add_checked_fixture(tc, setup, teardown);
185	tcase_add_test(tc, test_hz);
186	tcase_add_test(tc, test_khz);
187	tcase_add_test(tc, test_mhz);
188	tcase_add_test(tc, test_ghz);
189	suite_add_tcase(s, tc);
190
191	return s;
192	}