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ntdll/tests: Add some Nt{Query,Set}TimerResolution() tests. 

Signed-off-by: Francois Gouget <fgouget@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Francois Gouget 2021-07-29 17:24:15 +02:00 committed by Alexandre Julliard
parent e9e8561fa8
commit 6015fee5b2
1 changed files with 110 additions and 0 deletions
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110
dlls/ntdll/tests/time.c
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@ -216,6 +216,115 @@ static void test_RtlQueryPerformanceCounter(void)
}
#endif
#define CHECK_CURRENT_TIMER(expected) \
do { \
todo_wine ok(status == STATUS_SUCCESS, "NtSetTimerResolution failed %x\n", status); \
todo_wine ok(cur2 == (expected), "expected new timer resolution %u, got %u\n", (expected), cur2); \
min2 = min + 10; \
cur2 = min2 + 1; \
max2 = cur2 + 1; \
status = NtQueryTimerResolution(&min2, &max2, &cur2); \
todo_wine ok(status == STATUS_SUCCESS, "NtQueryTimerResolution() failed %x\n", status); \
todo_wine ok(min2 == min, "NtQueryTimerResolution() expected min=%u, got %u\n", min, min2); \
todo_wine ok(max2 == max, "NtQueryTimerResolution() expected max=%u, got %u\n", max, max2); \
todo_wine ok(cur2 == expected, "NtQueryTimerResolution() expected timer resolution %u, got %u\n", (expected), cur2); \
} while (0)
static void test_TimerResolution(void)
{
ULONG min, max, cur, min2, max2, cur2, set;
NTSTATUS status;
status = NtQueryTimerResolution(NULL, &max, &cur);
todo_wine ok(status == STATUS_ACCESS_VIOLATION, "NtQueryTimerResolution(NULL,,) success\n");
status = NtQueryTimerResolution(&min, NULL, &cur);
todo_wine ok(status == STATUS_ACCESS_VIOLATION, "NtQueryTimerResolution(,NULL,) success\n");
status = NtQueryTimerResolution(&min, &max, NULL);
todo_wine ok(status == STATUS_ACCESS_VIOLATION, "NtQueryTimerResolution(,,NULL) success\n");
min = 212121;
cur = min + 1;
max = cur + 1;
status = NtQueryTimerResolution(&min, &max, &cur);
todo_wine ok(status == STATUS_SUCCESS, "NtQueryTimerResolution() failed (%x)\n", status);
todo_wine ok(min == 156250 /* 1/64s HPET */ || min == 156001 /* RTC */,
"unexpected minimum timer resolution %u\n", min);
ok(0 < max, "invalid maximum timer resolution, should be 0 < %u\n", max);
todo_wine ok(max <= cur && cur <= min, "invalid timer resolutions, should be %u <= %u <= %u\n", max, cur, min);
status = NtSetTimerResolution(0, FALSE, NULL);
todo_wine ok(status == STATUS_ACCESS_VIOLATION, "NtSetTimerResolution(,,NULL) success\n");
/* Nothing happens if that pointer is not good */
status = NtSetTimerResolution(cur - 1, TRUE, NULL);
todo_wine ok(status == STATUS_ACCESS_VIOLATION, "NtSetTimerResolution() failed %x\n", status);
min2 = min + 1;
cur2 = min2 + 1;
max2 = cur2 + 1;
status = NtQueryTimerResolution(&min2, &max2, &cur2);
todo_wine ok(status == STATUS_SUCCESS, "NtQueryTimerResolution() failed (%x)\n", status);
todo_wine ok(min2 == min, "NtQueryTimerResolution() expected min=%u, got %u\n", min, min2);
todo_wine ok(max2 == max, "NtQueryTimerResolution() expected max=%u, got %u\n", max, max2);
todo_wine ok(cur2 == cur, "NtQueryTimerResolution() expected timer resolution %u, got %u\n", cur, cur2);
/* 'fails' until the first valid timer resolution request */
cur2 = 7654321;
status = NtSetTimerResolution(0, FALSE, &cur2);
todo_wine ok(status == STATUS_TIMER_RESOLUTION_NOT_SET, "NtSetTimerResolution() failed %x\n", status);
/* and returns the current timer resolution */
todo_wine ok(cur2 == cur, "expected requested timer resolution %u, got %u\n", cur, cur2);
cur2 = 7654321;
status = NtSetTimerResolution(max - 1, TRUE, &cur2);
CHECK_CURRENT_TIMER(max);
/* Rescinds our timer resolution request */
cur2 = 7654321;
status = NtSetTimerResolution(0, FALSE, &cur2);
todo_wine ok(status == STATUS_SUCCESS, "NtSetTimerResolution() failed %x\n", status);
/* -> the timer resolution was reset to its initial value */
todo_wine ok(cur2 == cur, "expected requested timer resolution %u, got %u\n", min, cur2);
cur2 = 7654321;
status = NtSetTimerResolution(0, FALSE, &cur2);
todo_wine ok(status == STATUS_TIMER_RESOLUTION_NOT_SET, "NtSetTimerResolution() failed %x\n", status);
todo_wine ok(cur2 == cur, "expected requested timer resolution %u, got %u\n", cur, cur2);
cur2 = 7654321;
status = NtSetTimerResolution(min + 1, TRUE, &cur2);
todo_wine ok(status == STATUS_SUCCESS, "NtSetTimerResolution() failed %x\n", status);
/* This works because:
* - Either cur is the minimum (15.6 ms) resolution already, i.e. the
* closest valid value 'set' is rounded to.
* - Or some other application requested a higher timer resolution, cur,
* and any attempt to lower the resolution has no effect until that
* request is rescinded (hopefully after this test is done).
*/
CHECK_CURRENT_TIMER(cur);
/* The requested resolution may (win7) or may not be rounded */
cur2 = 7654321;
set = max < cur ? cur - 1 : max;
status = NtSetTimerResolution(set, TRUE, &cur2);
todo_wine ok(status == STATUS_SUCCESS, "NtSetTimerResolution() failed %x\n", status);
todo_wine ok(cur2 <= set, "expected new timer resolution %u <= %u\n", cur2, set);
trace("timer resolution: %u(max) <= %u(cur) <= %u(prev) <= %u(min)\n", max, cur2, cur, min);
cur2 = 7654321;
status = NtSetTimerResolution(cur + 1, TRUE, &cur2);
CHECK_CURRENT_TIMER(cur); /* see min + 1 test */
/* Cleanup by rescinding the last request */
cur2 = 7654321;
status = NtSetTimerResolution(0, FALSE, &cur2);
todo_wine ok(status == STATUS_SUCCESS, "NtSetTimerResolution() failed %x\n", status);
todo_wine ok(cur2 == cur, "expected requested timer resolution %u, got %u\n", set, cur2);
}
static void test_RtlQueryTimeZoneInformation(void)
{
RTL_DYNAMIC_TIME_ZONE_INFORMATION tzinfo, tzinfo2;
@ -379,4 +488,5 @@ START_TEST(time)
#if defined(__i386__) || defined(__x86_64__)
test_RtlQueryPerformanceCounter();
#endif
test_TimerResolution();
}