* 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
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <check.h>
+#include <errno.h>
+#include <locale.h>
#include <libsigrok/libsigrok.h>
#include "lib.h"
+#if 0
+static void test_vsnprintf(const char *expected, char *format, ...)
+{
+ va_list args;
+ char *s;
+ int len;
+
+ len = 16;
+ s = g_malloc0(len + 1);
+
+ va_start(args, format);
+ len = vsnprintf(s, len, format, args);
+ va_end(args);
+
+ fail_unless(s != NULL,
+ "Invalid result for '%s': len = %i.", expected, len);
+ fail_unless(!strcmp(s, expected),
+ "Invalid result for '%s': %s.", expected, s);
+ g_free(s);
+}
+#endif
+
+static void test_sr_vsnprintf_ascii(const char *expected, char *format, ...)
+{
+ va_list args;
+ char *s;
+ int len;
+
+ len = 16;
+ s = g_malloc0(len + 1);
+
+ va_start(args, format);
+ len = sr_vsnprintf_ascii(s, len, format, args);
+ va_end(args);
+
+ fail_unless(s != NULL,
+ "Invalid result for '%s': len = %i.", expected, len);
+ fail_unless(!strcmp(s, expected),
+ "Invalid result for '%s': %s.", expected, s);
+ g_free(s);
+}
+
+static void test_sr_vsprintf_ascii(const char *expected, char *format, ...)
+{
+ va_list args, args_copy;
+ char *s;
+ int len;
+
+ /* Get length of buffer required. */
+ va_start(args, format);
+ va_copy(args_copy, args);
+ len = sr_vsnprintf_ascii(NULL, 0, format, args);
+ va_end(args);
+
+ /* Allocate buffer and write out command. */
+ s = g_malloc0(len + 1);
+ len = sr_vsprintf_ascii(s, format, args_copy);
+ va_end(args_copy);
+
+ fail_unless(s != NULL,
+ "Invalid result for '%s': len = %i.", expected, len);
+ fail_unless(!strcmp(s, expected),
+ "Invalid result for '%s': %s.", expected, s);
+ g_free(s);
+}
+
static void test_samplerate(uint64_t samplerate, const char *expected)
{
char *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, "Unexpected rc for '%s': %d, errno %d.",
+ input, ret, errno);
+ fail_unless((expected.p == rational.p) && (expected.q == rational.q),
+ "Invalid result for '%s': %" PRIi64 "/%" PRIu64 "'.",
+ input, rational.p, rational.q);
+}
+
+static void test_rational_fail(const char *input)
+{
+ int ret;
+ struct sr_rational rational;
+
+ ret = sr_parse_rational(input, &rational);
+ fail_unless(ret != SR_OK, "Unexpected success for '%s'.", input);
+}
+
+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);
+}
+
+START_TEST(test_locale)
+{
+ char *old_locale, *saved_locale;
+
+ /* Get the the current locale. */
+ old_locale = setlocale(LC_NUMERIC, NULL);
+ fprintf(stderr, "Old locale = %s\n", old_locale);
+ /* Copy the name so it won’t be clobbered by setlocale. */
+ saved_locale = g_strdup(old_locale);
+ ck_assert(saved_locale != NULL);
+
+#ifdef _WIN32
+ /*
+ * See: https://msdn.microsoft.com/en-us/library/cc233982.aspx
+ * Doesn't work! Locale is not set!
+ */
+ setlocale(LC_NUMERIC, "de-DE");
+#else
+ /*
+ * For all *nix and OSX systems, change the locale for all threads to
+ * one that is known for not working correctly with printf(), e.g.
+ * "de_DE.UTF-8".
+ *
+ * Find all your available system locales with "locale -a".
+ */
+ setlocale(LC_NUMERIC, "de_DE.UTF-8");
+#endif
+ fprintf(stderr, "New locale = %s\n", setlocale(LC_NUMERIC, NULL));
+
+ test_sr_vsnprintf_ascii("0.1", "%.1f", (double)0.1);
+ test_sr_vsnprintf_ascii("0.12", "%.2f", (double)0.12);
+ test_sr_vsnprintf_ascii("0.123", "%.3f", (double)0.123);
+ test_sr_vsnprintf_ascii("0.1234", "%.4f", (double)0.1234);
+ test_sr_vsnprintf_ascii("0.12345", "%.5f", (double)0.12345);
+ test_sr_vsnprintf_ascii("0.123456", "%.6f", (double)0.123456);
+
+ test_sr_vsprintf_ascii("0.1", "%.1f", (double)0.1);
+ test_sr_vsprintf_ascii("0.12", "%.2f", (double)0.12);
+ test_sr_vsprintf_ascii("0.123", "%.3f", (double)0.123);
+ test_sr_vsprintf_ascii("0.1234", "%.4f", (double)0.1234);
+ test_sr_vsprintf_ascii("0.12345", "%.5f", (double)0.12345);
+ test_sr_vsprintf_ascii("0.123456", "%.6f", (double)0.123456);
+
+#if 0
+ /*
+ * These tests can be used to tell on which platforms the printf()
+ * functions are locale-dependent (i.e. these tests will fail).
+ */
+ test_vsnprintf("0.1", "%.1f", (double)0.1);
+ test_vsnprintf("0.12", "%.2f", (double)0.12);
+ test_vsnprintf("0.123", "%.3f", (double)0.123);
+ test_vsnprintf("0.1234", "%.4f", (double)0.1234);
+ test_vsnprintf("0.12345", "%.5f", (double)0.12345);
+ test_vsnprintf("0.123456", "%.6f", (double)0.123456);
+#endif
+
+ /* Restore the original locale. */
+ setlocale(LC_NUMERIC, saved_locale);
+ g_free(saved_locale);
+}
+END_TEST
+
/*
* Check various inputs for sr_samplerate_string():
*
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");
+ test_samplerate(UINT64_C(1000000000), "1 GHz");
+ test_samplerate(UINT64_C(5000000000), "5 GHz");
+ test_samplerate(UINT64_C(72000000000), "72 GHz");
+ test_samplerate(UINT64_C(388000000000), "388 GHz");
+ test_samplerate(UINT64_C(4417594444), "4.417594444 GHz");
+ test_samplerate(UINT64_C(44175944444), "44.175944444 GHz");
+ test_samplerate(UINT64_C(441759444441), "441.759444441 GHz");
+ test_samplerate(UINT64_C(441759000001), "441.759000001 GHz");
+ test_samplerate(UINT64_C(441050000000), "441.05 GHz");
+ test_samplerate(UINT64_C(441000000005), "441.000000005 GHz");
+ test_samplerate(UINT64_C(441500000000), "441.5 GHz");
/* Again, but now using SR_GHZ(). */
test_samplerate(SR_GHZ(1), "1 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");
+ // test_samplerate(UINT64_C(18446744073709551615), "18446744073.709551615 GHz");
+ // test_samplerate(SR_GHZ(UINT64_C(18446744073)), "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)
+{
+ test_period(1, UINT64_C(1000000000), "1 ns");
+ test_period(1, UINT64_C(5000000000), "200 ps");
+ test_period(1, UINT64_C(72000000000), "13.889 ps");
+ test_period(1, UINT64_C(388000000000), "2.577 ps");
+ test_period(10, UINT64_C(1000000000000), "10 ps");
+ test_period(200, UINT64_C(1000000000000), "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});
+ test_rational(".1", (struct sr_rational){1, 10});
+ test_rational("+0.1", (struct sr_rational){1, 10});
+ test_rational("+.1", (struct sr_rational){1, 10});
+ test_rational("-0.1", (struct sr_rational){-1, 10});
+ test_rational("-.1", (struct sr_rational){-1, 10});
+ test_rational(".1", (struct sr_rational){1, 10});
+ test_rational(".123", (struct sr_rational){123, 1000});
+ test_rational("1.", (struct sr_rational){1, 1});
+ test_rational("123.", (struct sr_rational){123, 1});
+ test_rational("-.1", (struct sr_rational){-1, 10});
+ test_rational(" .1", (struct sr_rational){1, 10});
+ test_rational("+.1", (struct sr_rational){1, 10});
+ test_rational_fail(".");
+ test_rational_fail(".e");
+ test_rational_fail(".e1");
+}
+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});
+ test_rational("43.737E-3", (struct sr_rational){43737, 1000000});
+ 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
+
+START_TEST(test_text_line)
+{
+ /*
+ * Covers text line splitting as used in input modules. Accepts
+ * input with differing end-of-line conventions, accepts leading
+ * and trailing whitespace. Isolates "the core" of a text line.
+ * Supports repeated calls which accumulate what later needs to
+ * get discarded after input data got processed in pieces.
+ */
+#define EOL "\n"
+
+#define TEXT_CORE_1 "Need to provide"
+#define TEXT_CORE_2 "an input text"
+#define TEXT_CORE_3 ""
+#define TEXT_CORE_4 "with empty lines and funny spacing perhaps?"
+
+#define TEXT_LINE_1 TEXT_CORE_1 " \n"
+#define TEXT_LINE_2 " " TEXT_CORE_2 "\n"
+#define TEXT_LINE_3 TEXT_CORE_3 "\r\n"
+#define TEXT_LINE_4 TEXT_CORE_4 "\n"
+
+#define TEXT_INPUT TEXT_LINE_1 TEXT_LINE_2 TEXT_LINE_3 TEXT_LINE_4
+
+ char *input_text, *read_pos, *next_pos, *line;
+ size_t input_len, taken;
+
+ input_text = g_strdup(TEXT_INPUT);
+ read_pos = input_text;
+ input_len = strlen(input_text);
+
+ /* Cover first line in tests. */
+ taken = 0;
+ line = sr_text_next_line(read_pos, input_len, &next_pos, &taken);
+ fail_unless(line, "Text line not found");
+ fail_unless(strcmp(line, TEXT_CORE_1) == 0, "Unexpected line content");
+ fail_unless(next_pos, "No next line found");
+ fail_unless(strncmp(next_pos, TEXT_LINE_2, strlen(TEXT_LINE_2)) == 0,
+ "Unexpected next line content");
+ fail_unless(taken == strlen(TEXT_LINE_1),
+ "Unexpected consumed count");
+ read_pos = next_pos;
+ input_len -= taken;
+ taken = 0;
+
+ /* Cover second line in tests. DO NOT void 'taken' yet. */
+ line = sr_text_next_line(read_pos, input_len, &next_pos, &taken);
+ fail_unless(line, "Text line not found");
+ fail_unless(strcmp(line, TEXT_CORE_2) == 0,
+ "Unexpected text line content");
+ fail_unless(next_pos, "No next line found");
+ fail_unless(strncmp(next_pos, TEXT_LINE_3, strlen(TEXT_LINE_3)) == 0,
+ "Unexpected next line content");
+ fail_unless(taken == strlen(TEXT_LINE_2),
+ "Unexpected consumed count");
+ input_len -= next_pos - read_pos;
+ read_pos = next_pos;
+
+ /* Cover third line in tests. Accumulates 'taken'. */
+ line = sr_text_next_line(read_pos, input_len, &next_pos, &taken);
+ fail_unless(line, "Text line not found");
+ fail_unless(strcmp(line, TEXT_CORE_3) == 0, "Unexpected line content");
+ fail_unless(next_pos, "No next line found");
+ fail_unless(strncmp(next_pos, TEXT_LINE_4, strlen(TEXT_LINE_4)) == 0,
+ "Unexpected next line content");
+ fail_unless(taken == strlen(TEXT_LINE_2) + strlen(TEXT_LINE_3),
+ "Unexpected consumed count (totalled)");
+ input_len -= next_pos - read_pos;
+ read_pos = next_pos;
+ taken = 0;
+
+ /* Cover last line in tests. */
+ line = sr_text_next_line(read_pos, input_len, &next_pos, &taken);
+ fail_unless(line, "Text line not found");
+ fail_unless(strcmp(line, TEXT_CORE_4) == 0,
+ "Unexpected text line content");
+ fail_unless(!next_pos, "Next line found, unexpected");
+ fail_unless(taken == strlen(TEXT_LINE_4),
+ "Unexpected consumed count");
+ input_len -= taken;
+ read_pos = next_pos;
+
+ /* All input must have been consumed. */
+ fail_unless(!read_pos);
+ fail_unless(!input_len);
+
+ g_free(input_text);
+}
+END_TEST
+
+/*
+ * TODO Ideally this table of test cases should reside within the
+ * test_text_word() routine. But compilation fails when it's put there
+ * (initializers are said to not be constant, cause is yet uncertain).
+ */
+static const struct {
+ const char *line;
+ const char **words;
+} word_cases[] = {
+ { "", (const char *[]){ NULL, }, },
+ { " ", (const char *[]){ NULL, }, },
+ { "one", (const char *[]){ "one", NULL, }, },
+ { "one ", (const char *[]){ "one", NULL, }, },
+ { " one ", (const char *[]){ "one", NULL, }, },
+ { " one two ", (const char *[]){ "one", "two", NULL, }, },
+ { "one two three ",
+ (const char *[]){ "one", "two", "three", NULL, },
+ },
+};
+
+START_TEST(test_text_word)
+{
+ size_t case_idx, word_idx;
+ char *line;
+ const char **words, *want;
+ char *read_pos, *next_pos, *have;
+
+ for (case_idx = 0; case_idx < ARRAY_SIZE(word_cases); case_idx++) {
+ line = g_strdup(word_cases[case_idx].line);
+ words = word_cases[case_idx].words;
+ word_idx = 0;
+
+ read_pos = line;
+ while (read_pos) {
+ want = words[word_idx];
+ have = sr_text_next_word(read_pos, &next_pos);
+ if (!want) {
+ fail_unless(!have, "word found, unexpected");
+ fail_unless(!next_pos, "next found after end");
+ break;
+ }
+ word_idx++;
+ read_pos = next_pos;
+ fail_unless(have, "word not found");
+ fail_unless(strcmp(have, want) == 0,
+ "unexpected word found");
+ }
+ fail_unless(!words[word_idx], "missed expected words");
+
+ g_free(line);
+ }
+}
+END_TEST
+
+static const struct power_case_t {
+ size_t value;
+ size_t want_bits;
+ size_t want_power;
+} power_cases[] = {
+ { 0, 1, 1, },
+ { 1, 1, 2, },
+ { 2, 2, 4, },
+ { 3, 2, 4, },
+ { 4, 3, 8, },
+ { 5, 3, 8, },
+ { 6, 3, 8, },
+ { 7, 3, 8, },
+ { 8, 4, 16, },
+ { 15, 4, 16, },
+ { 16, 5, 32, },
+ { 31, 5, 32, },
+};
+
+START_TEST(test_calc_power_of_two)
+{
+ size_t case_idx, bits, power;
+ const struct power_case_t *tcase;
+ int ret;
+
+ for (case_idx = 0; case_idx < ARRAY_SIZE(power_cases); case_idx++) {
+ tcase = &power_cases[case_idx];
+ ret = sr_next_power_of_two(tcase->value, &bits, &power);
+ fail_unless(ret == SR_OK, "bits count not found");
+ fail_unless(bits == tcase->want_bits, "bits count differs");
+ fail_unless(power == tcase->want_power, "power differs");
+ }
}
END_TEST
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);
+
+ tc = tcase_create("text");
+ tcase_add_test(tc, test_text_line);
+ tcase_add_test(tc, test_text_word);
+ suite_add_tcase(s, tc);
+
+ tc = tcase_create("calc");
+ tcase_add_test(tc, test_calc_power_of_two);
suite_add_tcase(s, tc);
return s;
projects / libsigrok.git / blobdiff