[PATCH v3 2/3] ntdll/tests: Add some Nt{Query,Set}TimerResolution() tests.
Francois Gouget
fgouget at codeweavers.com
Thu Jul 29 10:24:15 CDT 2021
Signed-off-by: Francois Gouget <fgouget at codeweavers.com>
---
v2: No change since v1.
---
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();
}
--
2.20.1
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