dlls/kernel32/tests/timer.c

   1 /*
   2  * Unit test suite for timer functions
   3  *
   4  * Copyright 2004 Mike McCormack
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include "winbase.h"
  23 #include "winternl.h"
  24 #include "winuser.h"
  25
  26
  27 static void test_timer(void)
  28 {
  29     HANDLE handle;
  30     BOOL r;
  31     LARGE_INTEGER due;
  32
  33     /* try once with a positive number */
  34     handle = CreateWaitableTimerA( NULL, 0, NULL );
  35     ok( handle != NULL, "failed to create waitable timer with no name\n" );
  36
  37     due.QuadPart = 10000;
  38     r = SetWaitableTimer( handle, &due, 0x1f4, NULL, NULL, FALSE );
  39     ok( r, "failed to set timer\n");
  40
  41     CloseHandle( handle );
  42
  43     /* try once with a negative number */
  44     handle = CreateWaitableTimerA( NULL, 0, NULL );
  45     ok( handle != NULL, "failed to create waitable timer with no name\n" );
  46
  47     due.QuadPart = -10000;
  48     r = SetWaitableTimer( handle, &due, 0x1f4, NULL, NULL, FALSE );
  49     ok( r, "failed to set timer\n");
  50
  51     CloseHandle( handle );
  52 }
  53
  54 #define TICKSPERSEC       10000000
  55
  56 static BOOL adjust_system_time(int sec)
  57 {
  58     ULARGE_INTEGER uli;
  59     SYSTEMTIME st;
  60     FILETIME ft;
  61
  62     GetSystemTimeAsFileTime(&ft);
  63     uli.u.LowPart = ft.dwLowDateTime;
  64     uli.u.HighPart = ft.dwHighDateTime;
  65     uli.QuadPart += (LONGLONG)sec * TICKSPERSEC;
  66     ft.dwLowDateTime = uli.u.LowPart;
  67     ft.dwHighDateTime = uli.u.HighPart;
  68     if (!FileTimeToSystemTime(&ft, &st))
  69         return FALSE;
  70     return SetSystemTime(&st);
  71 }
  72
  73 static DWORD WINAPI thread_WaitForSingleObject(void *arg)
  74 {
  75     HANDLE event;
  76     DWORD t, r;
  77
  78     event = CreateEventW(NULL, FALSE, FALSE, NULL);
  79     ok(event != NULL, "CreateEvent failed\n");
  80     t = GetTickCount();
  81     r = WaitForSingleObject(event, 3000);
  82     ok(r == WAIT_TIMEOUT, "WiatForSingleObject returned %x\n", r);
  83     CloseHandle(event);
  84     t = GetTickCount() - t;
  85     ok(t > 2000, "t = %d\n", t);
  86     return 0;
  87 }
  88
  89 static DWORD WINAPI thread_Sleep(void *arg)
  90 {
  91     DWORD t = GetTickCount();
  92
  93     Sleep(3000);
  94     t = GetTickCount() - t;
  95     ok(t > 2000, "t = %d\n", t);
  96     return 0;
  97 }
  98
  99 static DWORD WINAPI thread_SleepEx(void *arg)
 100 {
 101     DWORD t = GetTickCount();
 102
 103     SleepEx(3000, TRUE);
 104     t = GetTickCount() - t;
 105     ok(t > 2000, "t = %d\n", t);
 106     return 0;
 107 }
 108
 109 static DWORD WINAPI thread_WaitableTimer_rel(void *arg)
 110 {
 111     LARGE_INTEGER li;
 112     HANDLE timer;
 113     DWORD t, r;
 114
 115     li.QuadPart = -3 * TICKSPERSEC;
 116
 117     timer = CreateWaitableTimerA(NULL, TRUE, NULL);
 118     ok(timer != NULL, "CreateWaitableTimer failed\n");
 119
 120     t = GetTickCount();
 121     r = SetWaitableTimer(timer, &li, 0, NULL, NULL, FALSE);
 122     ok(r, "SetWaitableTimer failed\n");
 123
 124     r = WaitForSingleObject(timer, INFINITE);
 125     ok(r == WAIT_OBJECT_0, "WaitForSingleObject returned %d\n", r);
 126     CloseHandle(timer);
 127     t = GetTickCount() - t;
 128     ok(t > 2000, "t = %d\n", t);
 129     return 0;
 130 }
 131
 132 static DWORD WINAPI thread_WaitableTimer_abs(void *arg)
 133 {
 134     LARGE_INTEGER li;
 135     HANDLE timer;
 136     FILETIME ft;
 137     DWORD t, r;
 138
 139     GetSystemTimeAsFileTime(&ft);
 140     li.u.LowPart = ft.dwLowDateTime;
 141     li.u.HighPart = ft.dwHighDateTime;
 142     li.QuadPart += 3 * TICKSPERSEC;
 143
 144     timer = CreateWaitableTimerA(NULL, TRUE, NULL);
 145     ok(timer != NULL, "CreateWaitableTimer failed\n");
 146
 147     t = GetTickCount();
 148     r = SetWaitableTimer(timer, &li, 0, NULL, NULL, FALSE);
 149     ok(r, "SetWaitableTimer failed\n");
 150
 151     r = WaitForSingleObject(timer, INFINITE);
 152     ok(r == WAIT_OBJECT_0, "WaitForSingleObject returned %d\n", r);
 153     CloseHandle(timer);
 154     t = GetTickCount() - t;
 155     ok(t < 2000, "t = %d\n", t);
 156     return 0;
 157 }
 158
 159 static DWORD WINAPI thread_WaitableTimer_period(void *arg)
 160 {
 161     LARGE_INTEGER li;
 162     HANDLE timer;
 163     DWORD t, r;
 164
 165     li.QuadPart = -1;
 166
 167     timer = CreateWaitableTimerA(NULL, FALSE, NULL);
 168     ok(timer != NULL, "CreateWaitableTimer failed\n");
 169
 170     t = GetTickCount();
 171     r = SetWaitableTimer(timer, &li, 3000, NULL, NULL, FALSE);
 172     ok(r, "SetWaitableTimer failed\n");
 173
 174     r = WaitForSingleObject(timer, INFINITE);
 175     ok(r == WAIT_OBJECT_0, "WaitForSingleObject returned %d\n", r);
 176
 177     r = WaitForSingleObject(timer, INFINITE);
 178     ok(r == WAIT_OBJECT_0, "WaitForSingleObject returned %d\n", r);
 179     CloseHandle(timer);
 180     t = GetTickCount() - t;
 181     ok(t > 2000, "t = %d\n", t);
 182     return 0;
 183 }
 184
 185 static DWORD WINAPI thread_SetTimer(void *arg)
 186 {
 187     DWORD t = GetTickCount();
 188     UINT_PTR timer;
 189     MSG msg;
 190
 191     timer = SetTimer(NULL, 0, 3000, NULL);
 192     ok(timer, "SetTimer failed (%d)\n", GetLastError());
 193
 194     while (GetMessageW(&msg, NULL, 0, 0))
 195     {
 196         DispatchMessageW(&msg);
 197         if (msg.message == WM_TIMER) break;
 198     }
 199
 200     t = GetTickCount() - t;
 201     ok(t > 2000, "t = %d\n", t);
 202     KillTimer(NULL, timer);
 203     return 0;
 204 }
 205
 206 static void test_timeouts(void)
 207 {
 208     HANDLE threads[7];
 209     DWORD i;
 210
 211     if (!adjust_system_time(1))
 212     {
 213         skip("can't adjust system clock (%d)\n", GetLastError());
 214         return;
 215     }
 216
 217
 218     threads[0] = CreateThread(NULL, 0, thread_WaitForSingleObject, NULL, 0, NULL);
 219     threads[1] = CreateThread(NULL, 0, thread_Sleep, NULL, 0, NULL);
 220     threads[2] = CreateThread(NULL, 0, thread_SleepEx, NULL, 0, NULL);
 221     threads[3] = CreateThread(NULL, 0, thread_WaitableTimer_rel, NULL, 0, NULL);
 222     threads[4] = CreateThread(NULL, 0, thread_WaitableTimer_abs, NULL, 0, NULL);
 223     threads[5] = CreateThread(NULL, 0, thread_WaitableTimer_period, NULL, 0, NULL);
 224     threads[6] = CreateThread(NULL, 0, thread_SetTimer, NULL, 0, NULL);
 225     for(i=0; i<ARRAY_SIZE(threads); i++)
 226         ok(threads[i] != NULL, "CreateThread failed\n");
 227
 228     Sleep(500);
 229     adjust_system_time(10);
 230
 231     for (i=0; i<ARRAY_SIZE(threads); i++)
 232     {
 233         WaitForSingleObject(threads[i], INFINITE);
 234         CloseHandle(threads[i]);
 235     }
 236     adjust_system_time(-11);
 237 }
 238
 239 START_TEST(timer)
 240 {
 241     test_timer();
 242     test_timeouts();
 243 }