Signed-off-by: Francois Gouget fgouget@codeweavers.com --- dlls/ntdll/tests/time.c | 110 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+)
diff --git a/dlls/ntdll/tests/time.c b/dlls/ntdll/tests/time.c index ee683e9a0aa..5f9c49989d8 100644 --- a/dlls/ntdll/tests/time.c +++ b/dlls/ntdll/tests/time.c @@ -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(); }