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tests: lib: timespec_util: elaborate timespec to k_timeout_t conversion
Elaborate on testing for functions that convert between timespec and k_timeout_t. We explicitly add tests to verify functionality in the regions of interest, verify the semantic equivalence of specific time points. Signed-off-by: Chris Friedt <[email protected]>
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4 files changed

+312
-90
lines changed

4 files changed

+312
-90
lines changed

‎tests/lib/timespec_util/boards/native_sim.conf‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
CONFIG_PICOLIBC=y

‎tests/lib/timespec_util/boards/native_sim_native_64.conf‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
CONFIG_PICOLIBC=y

‎tests/lib/timespec_util/src/main.c‎

Lines changed: 238 additions & 74 deletions
Original file line numberDiff line numberDiff line change
@@ -13,18 +13,19 @@
1313
#include <zephyr/sys/util.h>
1414

1515
BUILD_ASSERT(sizeof(time_t) == sizeof(int64_t), "time_t must be 64-bit");
16-
BUILD_ASSERT(sizeof(((struct timespec *)0)->tv_sec) == sizeof(int64_t), "tv_sec must be 64-bit");
17-
18-
/* need NSEC_PER_SEC to be signed for the purposes of this testsuite */
19-
#undef NSEC_PER_SEC
20-
#define NSEC_PER_SEC 1000000000L
2116

2217
#undef CORRECTABLE
2318
#define CORRECTABLE true
2419

2520
#undef UNCORRECTABLE
2621
#define UNCORRECTABLE false
2722

23+
/* Initialize a struct timespec object from a tick count with additional nanoseconds */
24+
#define K_TICKS_TO_TIMESPEC_PLUS_NSECS(ticks, ns) \
25+
K_TIMESPEC(K_TICKS_TO_SECS(ticks) + \
26+
(K_TICKS_TO_NSECS(ticks) + (uint64_t)(ns)) / NSEC_PER_SEC, \
27+
(K_TICKS_TO_NSECS(ticks) + (uint64_t)(ns)) % NSEC_PER_SEC)
28+
2829
/*
2930
* test spec for simple timespec validation
3031
*
@@ -104,12 +105,12 @@ static const struct ts_test_spec ts_tests[] = {
104105
CORRECTABLE),
105106

106107
/* Uncorrectable, invalid cases */
107-
DECL_INVALID_TS_TEST(INT64_MIN + 2, -2 * NSEC_PER_SEC - 1, 0, 0, UNCORRECTABLE),
108-
DECL_INVALID_TS_TEST(INT64_MIN + 1, -NSEC_PER_SEC - 1, 0, 0, UNCORRECTABLE),
109-
DECL_INVALID_TS_TEST(INT64_MIN + 1, -NSEC_PER_SEC - 1, 0, 0, UNCORRECTABLE),
108+
DECL_INVALID_TS_TEST(INT64_MIN + 2, -2 * (int64_t)NSEC_PER_SEC - 1, 0, 0, UNCORRECTABLE),
109+
DECL_INVALID_TS_TEST(INT64_MIN + 1, -(int64_t)NSEC_PER_SEC - 1, 0, 0, UNCORRECTABLE),
110+
DECL_INVALID_TS_TEST(INT64_MIN + 1, -(int64_t)NSEC_PER_SEC - 1, 0, 0, UNCORRECTABLE),
110111
DECL_INVALID_TS_TEST(INT64_MIN, -1, 0, 0, UNCORRECTABLE),
111-
DECL_INVALID_TS_TEST(INT64_MAX, NSEC_PER_SEC, 0, 0, UNCORRECTABLE),
112-
DECL_INVALID_TS_TEST(INT64_MAX - 1, 2 * NSEC_PER_SEC, 0, 0, UNCORRECTABLE),
112+
DECL_INVALID_TS_TEST(INT64_MAX, (int64_t)NSEC_PER_SEC, 0, 0, UNCORRECTABLE),
113+
DECL_INVALID_TS_TEST(INT64_MAX - 1, 2 * (int64_t)NSEC_PER_SEC, 0, 0, UNCORRECTABLE),
113114
};
114115

115116
ZTEST(timeutil_api, test_timespec_is_valid)
@@ -133,17 +134,23 @@ ZTEST(timeutil_api, test_timespec_normalize)
133134
const struct ts_test_spec *const tspec = &ts_tests[i];
134135
struct timespec norm = tspec->invalid_ts;
135136

137+
TC_PRINT("%zu: timespec_normalize({%lld, %lld})\n", i,
138+
(long long)tspec->invalid_ts.tv_sec, (long long)tspec->invalid_ts.tv_nsec);
139+
136140
overflow = !timespec_normalize(&norm);
137141
zexpect_not_equal(tspec->expect_valid || tspec->correctable, overflow,
138-
"%d: timespec_normalize({%ld, %ld}) %s, unexpectedly", i,
139-
(long)tspec->invalid_ts.tv_sec, (long)tspec->invalid_ts.tv_nsec,
142+
"%d: timespec_normalize({%lld, %lld}) %s, unexpectedly", i,
143+
(long long)tspec->invalid_ts.tv_sec,
144+
(long long)tspec->invalid_ts.tv_nsec,
140145
tspec->correctable ? "failed" : "succeeded");
141146

142147
if (!tspec->expect_valid && tspec->correctable) {
143148
different = !timespec_equal(&tspec->invalid_ts, &norm);
144-
zexpect_true(different, "%d: {%ld, %ld} and {%ld, %ld} are unexpectedly %s",
145-
i, tspec->invalid_ts.tv_sec, tspec->invalid_ts.tv_nsec,
146-
norm.tv_sec, tspec->valid_ts.tv_sec,
149+
zexpect_true(different,
150+
"%d: {%lld, %lld} and {%lld, %lld} are unexpectedly %s", i,
151+
(long long)tspec->invalid_ts.tv_sec,
152+
(long long)tspec->invalid_ts.tv_nsec, (long long)norm.tv_sec,
153+
(long long)tspec->valid_ts.tv_sec,
147154
(tspec->expect_valid || tspec->correctable) ? "different"
148155
: "equal");
149156
}
@@ -268,43 +275,147 @@ ZTEST(timeutil_api, test_timespec_equal)
268275
zexpect_false(timespec_equal(&a, &b));
269276
}
270277

271-
#define NS_PER_TICK (NSEC_PER_SEC / CONFIG_SYS_CLOCK_TICKS_PER_SEC)
278+
ZTEST(timeutil_api, test_K_TICKS_TO_SECS)
279+
{
280+
zexpect_equal(K_TICKS_TO_SECS(0), 0);
281+
zexpect_equal(K_TICKS_TO_SECS(CONFIG_SYS_CLOCK_TICKS_PER_SEC), 1);
282+
zexpect_equal(K_TICKS_TO_SECS(2 * CONFIG_SYS_CLOCK_TICKS_PER_SEC), 2);
283+
zexpect_equal(K_TICKS_TO_SECS(K_TICK_MAX), K_TIMESPEC_MAX.tv_sec);
284+
zexpect_equal(K_TICKS_TO_SECS(K_TICKS_FOREVER), INT64_MAX);
285+
286+
#if defined(CONFIG_TIMEOUT_64BIT) && (CONFIG_SYS_CLOCK_TICKS_PER_SEC == 100)
287+
zexpect_equal(K_TIMESPEC_MAX.tv_sec, 92233720368547758LL);
288+
#endif
289+
290+
#if (CONFIG_SYS_CLOCK_TICKS_PER_SEC == 32768)
291+
#if defined(CONFIG_TIMEOUT_64BIT)
292+
zexpect_equal(K_TIMESPEC_MAX.tv_sec, 281474976710655LL);
293+
#else
294+
zexpect_equal(K_TIMESPEC_MAX.tv_sec, 131071);
295+
#endif
296+
#endif
297+
}
272298

273-
/* 0 := lower limit, 2 := upper limit */
274-
static const struct timespec k_timeout_limits[] = {
275-
/* K_NO_WAIT + 1 tick */
276-
{
277-
.tv_sec = 0,
278-
.tv_nsec = NS_PER_TICK,
279-
},
280-
/* K_FOREVER - 1 tick */
281-
{
282-
.tv_sec = (time_t)CLAMP((NS_PER_TICK * (uint64_t)K_TICK_MAX) / NSEC_PER_SEC, 0,
283-
INT64_MAX),
284-
.tv_nsec = (long)CLAMP((NS_PER_TICK * (uint64_t)K_TICK_MAX) % NSEC_PER_SEC, 0,
285-
NSEC_PER_SEC - 1),
286-
},
287-
};
299+
ZTEST(timeutil_api, test_K_TICKS_TO_NSECS)
300+
{
301+
zexpect_equal(K_TICKS_TO_NSECS(0), 0);
302+
zexpect_equal(K_TICKS_TO_NSECS(1) % NSEC_PER_SEC,
303+
(NSEC_PER_SEC / CONFIG_SYS_CLOCK_TICKS_PER_SEC) % NSEC_PER_SEC);
304+
zexpect_equal(K_TICKS_TO_NSECS(2) % NSEC_PER_SEC,
305+
(2 * NSEC_PER_SEC / CONFIG_SYS_CLOCK_TICKS_PER_SEC) % NSEC_PER_SEC);
306+
zexpect_equal(K_TICKS_TO_NSECS(K_TICK_MAX), K_TIMESPEC_MAX.tv_nsec);
307+
zexpect_equal(K_TICKS_TO_NSECS(K_TICKS_FOREVER), NSEC_PER_SEC - 1);
308+
309+
#if defined(CONFIG_TIMEOUT_64BIT) && (CONFIG_SYS_CLOCK_TICKS_PER_SEC == 100)
310+
zexpect_equal(K_TIMESPEC_MAX.tv_nsec, 70000000L);
311+
#endif
312+
313+
#if (CONFIG_SYS_CLOCK_TICKS_PER_SEC == 32768)
314+
#if defined(CONFIG_TIMEOUT_64BIT)
315+
zexpect_equal(K_TIMESPEC_MAX.tv_nsec, 999969482L);
316+
#else
317+
zexpect_equal(K_TIMESPEC_MAX.tv_nsec, 999938964L);
318+
#endif
319+
#endif
320+
}
321+
322+
/* non-saturating */
323+
#define DECL_TOSPEC_TEST(to, ts, sat, neg, round) \
324+
{ \
325+
.timeout = (to), \
326+
.tspec = (ts), \
327+
.saturation = (sat), \
328+
.negative = (neg), \
329+
.roundup = (round), \
330+
}
331+
/* negative timespecs rounded up to K_NO_WAIT */
332+
#define DECL_TOSPEC_NEGATIVE_TEST(ts) DECL_TOSPEC_TEST(K_NO_WAIT, (ts), 0, true, false)
333+
/* zero-valued timeout */
334+
#define DECL_TOSPEC_ZERO_TEST(to) DECL_TOSPEC_TEST((to), K_TIMESPEC(0, 0), 0, false, false)
335+
/* round up toward K_TICK_MIN */
336+
#define DECL_NSAT_TOSPEC_TEST(ts) DECL_TOSPEC_TEST(K_TICKS(K_TICK_MIN), (ts), -1, false, false)
337+
/* round up toward next tick boundary */
338+
#define DECL_ROUND_TOSPEC_TEST(to, ts) DECL_TOSPEC_TEST((to), (ts), 0, false, true)
339+
/* round down toward K_TICK_MAX */
340+
#define DECL_PSAT_TOSPEC_TEST(ts) DECL_TOSPEC_TEST(K_TICKS(K_TICK_MAX), (ts), 1, false, false)
288341

289342
static const struct tospec {
290343
k_timeout_t timeout;
291344
struct timespec tspec;
292345
int saturation;
346+
bool negative;
347+
bool roundup;
293348
} tospecs[] = {
294-
{K_NO_WAIT, {INT64_MIN, 0}, -1},
295-
{K_NO_WAIT, {-1, 0}, -1},
296-
{K_NO_WAIT, {-1, NSEC_PER_SEC - 1}, -1},
297-
{K_NO_WAIT, {0, 0}, 0},
298-
{K_NSEC(0), {0, 0}, 0},
299-
{K_NSEC(2000000000), {2, 0}, 0},
300-
{K_USEC(0), {0, 0}, 0},
301-
{K_USEC(2000000), {2, 0}, 0},
302-
{K_MSEC(100), {0, 100000000}, 0},
303-
{K_MSEC(2000), {2, 0}, 0},
304-
{K_SECONDS(0), {0, 0}, 0},
305-
{K_SECONDS(1), {1, 0}, 0},
306-
{K_SECONDS(100), {100, 0}, 0},
307-
{K_FOREVER, {INT64_MAX, NSEC_PER_SEC - 1}, 0},
349+
/* negative timespecs should round-up to K_NO_WAIT */
350+
DECL_TOSPEC_NEGATIVE_TEST(K_TIMESPEC(INT64_MIN, 0)),
351+
DECL_TOSPEC_NEGATIVE_TEST(K_TIMESPEC(-1, 0)),
352+
DECL_TOSPEC_NEGATIVE_TEST(K_TIMESPEC(-1, NSEC_PER_SEC - 1)),
353+
354+
/* zero-valued timeouts are equivalent to K_NO_WAIT */
355+
DECL_TOSPEC_ZERO_TEST(K_NSEC(0)),
356+
DECL_TOSPEC_ZERO_TEST(K_USEC(0)),
357+
DECL_TOSPEC_ZERO_TEST(K_MSEC(0)),
358+
DECL_TOSPEC_ZERO_TEST(K_SECONDS(0)),
359+
360+
/* round up to K_TICK_MIN */
361+
DECL_NSAT_TOSPEC_TEST(K_TIMESPEC(0, 1)),
362+
DECL_NSAT_TOSPEC_TEST(K_TIMESPEC(0, 2)),
363+
#if CONFIG_SYS_CLOCK_TICKS_PER_SEC > 1
364+
DECL_NSAT_TOSPEC_TEST(K_TIMESPEC(0, K_TICKS_TO_NSECS(K_TICK_MIN))),
365+
#endif
366+
367+
#if CONFIG_SYS_CLOCK_TICKS_PER_SEC < MHZ(1)
368+
DECL_NSAT_TOSPEC_TEST(K_TIMESPEC(0, NSEC_PER_USEC)),
369+
#endif
370+
#if CONFIG_SYS_CLOCK_TICKS_PER_SEC < KHZ(1)
371+
DECL_NSAT_TOSPEC_TEST(K_TIMESPEC(0, NSEC_PER_MSEC)),
372+
#endif
373+
374+
/* round to next tick boundary (low-end) */
375+
#if CONFIG_SYS_CLOCK_TICKS_PER_SEC > 1
376+
DECL_ROUND_TOSPEC_TEST(K_TICKS(2), K_TICKS_TO_TIMESPEC_PLUS_NSECS(1, 1)),
377+
DECL_ROUND_TOSPEC_TEST(K_TICKS(2),
378+
K_TICKS_TO_TIMESPEC_PLUS_NSECS(1, K_TICKS_TO_NSECS(1) / 2)),
379+
DECL_ROUND_TOSPEC_TEST(K_TICKS(2),
380+
K_TICKS_TO_TIMESPEC_PLUS_NSECS(1, K_TICKS_TO_NSECS(1) - 1)),
381+
#endif
382+
383+
/* exact conversions for large timeouts */
384+
#ifdef CONFIG_TIMEOUT_64BIT
385+
DECL_TOSPEC_TEST(K_NSEC(2000000000), K_TIMESPEC(2, 0), 0, false, false),
386+
#endif
387+
DECL_TOSPEC_TEST(K_USEC(2000000), K_TIMESPEC(2, 0), 0, false, false),
388+
DECL_TOSPEC_TEST(K_MSEC(2000), K_TIMESPEC(2, 0), 0, false, false),
389+
390+
DECL_TOSPEC_TEST(K_SECONDS(1),
391+
K_TIMESPEC(1, K_TICKS_TO_NSECS(CONFIG_SYS_CLOCK_TICKS_PER_SEC)), 0, false,
392+
false),
393+
DECL_TOSPEC_TEST(K_SECONDS(2),
394+
K_TIMESPEC(2, K_TICKS_TO_NSECS(2 * CONFIG_SYS_CLOCK_TICKS_PER_SEC)), 0,
395+
false, false),
396+
DECL_TOSPEC_TEST(K_SECONDS(100),
397+
K_TIMESPEC(100, K_TICKS_TO_NSECS(100 * CONFIG_SYS_CLOCK_TICKS_PER_SEC)), 0,
398+
false, false),
399+
400+
DECL_TOSPEC_TEST(K_TICKS(1000), K_TICKS_TO_TIMESPEC(1000), 0, false, false),
401+
402+
/* round to next tick boundary (high-end) */
403+
#if CONFIG_SYS_CLOCK_TICKS_PER_SEC > 1
404+
DECL_ROUND_TOSPEC_TEST(K_TICKS(1000), K_TICKS_TO_TIMESPEC_PLUS_NSECS(999, 1)),
405+
DECL_ROUND_TOSPEC_TEST(K_TICKS(1000),
406+
K_TICKS_TO_TIMESPEC_PLUS_NSECS(999, K_TICKS_TO_NSECS(1) / 2)),
407+
DECL_ROUND_TOSPEC_TEST(K_TICKS(1000),
408+
K_TICKS_TO_TIMESPEC_PLUS_NSECS(999, K_TICKS_TO_NSECS(1) - 1)),
409+
#endif
410+
411+
/* round down toward K_TICK_MAX */
412+
DECL_PSAT_TOSPEC_TEST(K_TICKS_TO_TIMESPEC(K_TICK_MAX)),
413+
#if defined(CONFIG_TIMEOUT_64BIT) && (CONFIG_SYS_CLOCK_TICKS_PER_SEC > 1)
414+
DECL_PSAT_TOSPEC_TEST(K_TICKS_TO_TIMESPEC((uint64_t)K_TICK_MAX + 1)),
415+
#endif
416+
417+
/* K_FOREVER <=> K_TIMESPEC_FOREVER */
418+
DECL_TOSPEC_TEST(K_FOREVER, K_TIMESPEC(INT64_MAX, NSEC_PER_SEC - 1), 0, false, false),
308419
};
309420

310421
ZTEST(timeutil_api, test_timespec_from_timeout)
@@ -315,11 +426,20 @@ ZTEST(timeutil_api, test_timespec_from_timeout)
315426
const struct tospec *const tspec = &tospecs[i];
316427
struct timespec actual;
317428

318-
if (tspec->saturation != 0) {
319-
/* saturation cases are only checked in test_timespec_to_timeout */
429+
/*
430+
* In this test we only check exact conversions, so skip negative timespecs that
431+
* saturate up to K_NO_WAIT and skip values under K_TIMESPEC_MIN and over
432+
* K_TIMESPEC_MAX. Also, skip "normal" conversions that just round up to the next
433+
* tick boundary.
434+
*/
435+
if (tspec->negative || (tspec->saturation != 0) || tspec->roundup) {
320436
continue;
321437
}
322438

439+
TC_PRINT("%zu: ticks: {%lld}, timespec: {%lld, %lld}\n", i,
440+
(long long)tspec->timeout.ticks, (long long)tspec->tspec.tv_sec,
441+
(long long)tspec->tspec.tv_nsec);
442+
323443
timespec_from_timeout(tspec->timeout, &actual);
324444
zexpect_true(timespec_equal(&actual, &tspec->tspec),
325445
"%d: {%ld, %ld} and {%ld, %ld} are unexpectedly different", i,
@@ -336,48 +456,92 @@ ZTEST(timeutil_api, test_timespec_to_timeout)
336456
const struct tospec *const tspec = &tospecs[i];
337457
k_timeout_t actual;
338458

459+
TC_PRINT("%zu: ticks: {%lld}, timespec: {%lld, %lld}\n", i,
460+
(long long)tspec->timeout.ticks, (long long)tspec->tspec.tv_sec,
461+
(long long)tspec->tspec.tv_nsec);
462+
463+
actual = timespec_to_timeout(&tspec->tspec);
339464
if (tspec->saturation == 0) {
340-
/* no saturation / exact match */
341-
actual = timespec_to_timeout(&tspec->tspec);
465+
/* exact match or rounding up */
466+
if (!tspec->negative &&
467+
(timespec_compare(&tspec->tspec, &K_TIMESPEC_NO_WAIT) != 0) &&
468+
(timespec_compare(&tspec->tspec, &K_TIMESPEC_FOREVER) != 0)) {
469+
__ASSERT(timespec_compare(&tspec->tspec, &K_TIMESPEC_MIN) >= 0,
470+
"%zu: timespec: {%lld, %lld} is not greater than "
471+
"K_TIMESPEC_MIN",
472+
i, (long long)tspec->tspec.tv_sec,
473+
(long long)tspec->tspec.tv_nsec);
474+
__ASSERT(timespec_compare(&tspec->tspec, &K_TIMESPEC_MAX) <= 0,
475+
"%zu: timespec: {%lld, %lld} is not less than "
476+
"K_TIMESPEC_MAX",
477+
i, (long long)tspec->tspec.tv_sec,
478+
(long long)tspec->tspec.tv_nsec);
479+
}
342480
zexpect_equal(actual.ticks, tspec->timeout.ticks,
343481
"%d: {%" PRId64 "} and {%" PRId64
344482
"} are unexpectedly different",
345483
i, (int64_t)actual.ticks, (int64_t)tspec->timeout.ticks);
346-
continue;
347-
}
348-
349-
if ((tspec->saturation < 0) ||
350-
(timespec_compare(&tspec->tspec, &k_timeout_limits[0]) < 0)) {
351-
/* K_NO_WAIT saturation */
352-
actual = timespec_to_timeout(&tspec->tspec);
353-
zexpect_equal(actual.ticks, K_NO_WAIT.ticks,
484+
} else if (tspec->saturation < 0) {
485+
/* K_TICK_MIN saturation */
486+
__ASSERT(timespec_compare(&tspec->tspec, &K_TIMESPEC_MIN) <= 0,
487+
"timespec: {%lld, %lld} is not less than or equal to "
488+
"K_TIMESPEC_MIN "
489+
"{%lld, %lld}",
490+
(long long)tspec->tspec.tv_sec, (long long)tspec->tspec.tv_nsec,
491+
(long long)K_TIMESPEC_MIN.tv_sec,
492+
(long long)K_TIMESPEC_MIN.tv_nsec);
493+
zexpect_equal(actual.ticks, K_TICK_MIN,
354494
"%d: {%" PRId64 "} and {%" PRId64
355495
"} are unexpectedly different",
356-
i, (int64_t)actual.ticks, (int64_t)K_NO_WAIT.ticks);
357-
continue;
358-
}
359-
360-
if ((tspec->saturation > 0) ||
361-
(timespec_compare(&tspec->tspec, &k_timeout_limits[1]) > 0)) {
362-
/* K_FOREVER saturation */
363-
actual = timespec_to_timeout(&tspec->tspec);
364-
zexpect_equal(actual.ticks, K_TICKS_FOREVER,
496+
i, (int64_t)actual.ticks, (int64_t)K_TICK_MIN);
497+
} else if (tspec->saturation > 0) {
498+
/* K_TICK_MAX saturation */
499+
__ASSERT(timespec_compare(&tspec->tspec, &K_TIMESPEC_MAX) >= 0,
500+
"timespec: {%lld, %lld} is not greater than or equal to "
501+
"K_TIMESPEC_MAX "
502+
"{%lld, %lld}",
503+
(long long)tspec->tspec.tv_sec, (long long)tspec->tspec.tv_nsec,
504+
(long long)K_TIMESPEC_MAX.tv_sec,
505+
(long long)K_TIMESPEC_MAX.tv_nsec);
506+
zexpect_equal(actual.ticks, K_TICK_MAX,
365507
"%d: {%" PRId64 "} and {%" PRId64
366508
"} are unexpectedly different",
367-
i, (int64_t)actual.ticks, (int64_t)K_TICKS_FOREVER);
368-
continue;
509+
i, (int64_t)actual.ticks, (int64_t)K_TICK_MAX);
369510
}
370511
}
512+
513+
#if defined(CONFIG_TIMEOUT_64BIT) && (CONFIG_SYS_CLOCK_TICKS_PER_SEC == 100)
514+
{
515+
k_timeout_t to = K_TICKS(K_TICK_MAX);
516+
/* K_TIMESPEC_MAX corresponding K_TICK_MAX with a tick rate of 100 Hz */
517+
struct timespec ts = K_TIMESPEC(92233720368547758LL, 70000000L);
518+
519+
zexpect_true(K_TIMEOUT_EQ(timespec_to_timeout(&ts), to),
520+
"timespec_to_timeout(%lld, %lld) != %lld", (long long)ts.tv_sec,
521+
(long long)ts.tv_nsec, (long long)to.ticks);
522+
523+
TC_PRINT("timespec_to_timeout():\nts: {%lld, %lld} => to: {%lld}\n",
524+
(long long)ts.tv_sec, (long long)ts.tv_nsec, (long long)to.ticks);
525+
}
526+
#endif
371527
}
372528

373529
static void *setup(void)
374530
{
375-
printk("CONFIG_TIMEOUT_64BIT=%c\n", CONFIG_TIMEOUT_64BIT ? 'y' : 'n');
376-
printk("K_TICK_MAX: %lld\n", (long long)K_TICK_MAX);
377-
printk("minimum timeout: {%lld, %lld}\n", (long long)k_timeout_limits[0].tv_sec,
378-
(long long)k_timeout_limits[0].tv_nsec);
379-
printk("maximum timeout: {%lld, %lld}\n", (long long)k_timeout_limits[1].tv_sec,
380-
(long long)k_timeout_limits[1].tv_nsec);
531+
TC_PRINT("CONFIG_SYS_CLOCK_TICKS_PER_SEC=%d\n", CONFIG_SYS_CLOCK_TICKS_PER_SEC);
532+
TC_PRINT("CONFIG_TIMEOUT_64BIT=%c\n", IS_ENABLED(CONFIG_TIMEOUT_64BIT) ? 'y' : 'n');
533+
TC_PRINT("K_TICK_MIN: %lld\n", (long long)K_TICK_MIN);
534+
TC_PRINT("K_TICK_MAX: %lld\n", (long long)K_TICK_MAX);
535+
TC_PRINT("K_TIMESPEC_MIN: {%lld, %lld}\n", (long long)K_TIMESPEC_MIN.tv_sec,
536+
(long long)K_TIMESPEC_MIN.tv_nsec);
537+
TC_PRINT("K_TIMESPEC_MAX: {%lld, %lld}\n", (long long)K_TIMESPEC_MAX.tv_sec,
538+
(long long)K_TIMESPEC_MAX.tv_nsec);
539+
TC_PRINT("INT64_MIN: %lld\n", (long long)INT64_MIN);
540+
TC_PRINT("INT64_MAX: %lld\n", (long long)INT64_MAX);
541+
PRINT_LINE;
542+
543+
/* check numerical values corresponding to K_TICK_MAX */
544+
zassert_equal(K_TICK_MAX, IS_ENABLED(CONFIG_TIMEOUT_64BIT) ? INT64_MAX : UINT32_MAX - 1);
381545

382546
return NULL;
383547
}

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