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kernelbase/tests: Fix the Sleep() test for non-default timer resolutions. 

Also defend against timer resolution changes during the test.
Reduce the test duration a bit.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51533
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 17:24:12 +02:00 committed by Alexandre Julliard
parent 8fed1c6809
commit e9e8561fa8
1 changed files with 25 additions and 4 deletions
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29
dlls/kernelbase/tests/sync.c
View File

@ -19,10 +19,14 @@
*/
#include <stdarg.h>
#include <stdlib.h>
#include <ntstatus.h>
#define WIN32_NO_STATUS
#include <windef.h>
#include <winbase.h>
#include <stdlib.h>
#include <winerror.h>
#include <winternl.h>
#include "wine/test.h"
@ -176,7 +180,9 @@ static void test_Sleep(void)
{
LARGE_INTEGER frequency;
LARGE_INTEGER t1, t2;
double elapsed_time;
double elapsed_time, min, max;
ULONG dummy, r1, r2;
NTSTATUS status;
BOOL ret;
int i;
@ -186,15 +192,30 @@ static void test_Sleep(void)
ret = QueryPerformanceCounter(&t1);
ok(ret, "QueryPerformanceCounter failed\n");
for (i = 0; i < 100; i++) {
/* Get the timer resolution before... */
r1 = 156250;
status = NtQueryTimerResolution(&dummy, &dummy, &r1);
todo_wine ok(status == STATUS_SUCCESS, "NtQueryTimerResolution() failed (%x)\n", status);
for (i = 0; i < 50; i++) {
Sleep(1);
}
ret = QueryPerformanceCounter(&t2);
ok(ret, "QueryPerformanceCounter failed\n");
/* ...and after in case some other process changes it during this test */
r2 = 156250;
status = NtQueryTimerResolution(&dummy, &dummy, &r2);
todo_wine ok(status == STATUS_SUCCESS, "NtQueryTimerResolution() failed (%x)\n", status);
elapsed_time = (t2.QuadPart - t1.QuadPart) / (double)frequency.QuadPart;
todo_wine ok(elapsed_time >= 1.5 && elapsed_time <= 4.0, "got %f\n", elapsed_time);
min = 50.0 * (r1 < r2 ? r1 : r2) / 10000000.0;
max = 50.0 * (r1 < r2 ? r2 : r1) / 10000000.0;
/* Add an extra 1s to account for potential scheduling delays */
todo_wine ok(0.9 * min <= elapsed_time && elapsed_time <= 1.0 + max,
"got %f, expected between %f and %f\n", elapsed_time, min, max);
}
START_TEST(sync)