dlls/kernel/tests/sync.c

   1 /*
   2  * Synchronization tests
   3  *
   4  * Copyright 2005 Mike McCormack for CodeWeavers
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <windef.h>
  25 #include <winbase.h>
  26
  27 #include "wine/test.h"
  28
  29 static void test_signalandwait(void)
  30 {
  31     DWORD (WINAPI *pSignalObjectAndWait)(HANDLE, HANDLE, DWORD, BOOL);
  32     HMODULE kernel32;
  33     DWORD r;
  34     HANDLE event[2], semaphore[2], file;
  35
  36     kernel32 = GetModuleHandle("kernel32");
  37     pSignalObjectAndWait = (void*) GetProcAddress(kernel32, "SignalObjectAndWait");
  38
  39     if (!pSignalObjectAndWait)
  40         return;
  41
  42     /* invalid parameters */
  43     r = pSignalObjectAndWait(NULL, NULL, 0, 0);
  44     if (r == ERROR_INVALID_FUNCTION)
  45     {
  46         trace("SignalObjectAndWait not implemented, skipping tests\n");
  47         return; /* Win98/ME */
  48     }
  49     ok( r == WAIT_FAILED, "should fail\n");
  50
  51     event[0] = CreateEvent(NULL, 0, 0, NULL);
  52     event[1] = CreateEvent(NULL, 1, 1, NULL);
  53
  54     ok( event[0] && event[1], "failed to create event flags\n");
  55
  56     r = pSignalObjectAndWait(event[0], NULL, 0, FALSE);
  57     ok( r == WAIT_FAILED, "should fail\n");
  58
  59     r = pSignalObjectAndWait(NULL, event[0], 0, FALSE);
  60     ok( r == WAIT_FAILED, "should fail\n");
  61
  62
  63     /* valid parameters */
  64     r = pSignalObjectAndWait(event[0], event[1], 0, FALSE);
  65     ok( r == WAIT_OBJECT_0, "should succeed\n");
  66
  67     /* event[0] is now signalled */
  68     r = pSignalObjectAndWait(event[0], event[0], 0, FALSE);
  69     ok( r == WAIT_OBJECT_0, "should succeed\n");
  70
  71     /* event[0] is not signalled */
  72     r = WaitForSingleObject(event[0], 0);
  73     ok( r == WAIT_TIMEOUT, "event was signalled\n");
  74
  75     r = pSignalObjectAndWait(event[0], event[0], 0, FALSE);
  76     ok( r == WAIT_OBJECT_0, "should succeed\n");
  77
  78     /* clear event[1] and check for a timeout */
  79     ok(ResetEvent(event[1]), "failed to clear event[1]\n");
  80     r = pSignalObjectAndWait(event[0], event[1], 0, FALSE);
  81     ok( r == WAIT_TIMEOUT, "should timeout\n");
  82
  83     CloseHandle(event[0]);
  84     CloseHandle(event[1]);
  85
  86
  87     /* semaphores */
  88     semaphore[0] = CreateSemaphore( NULL, 0, 1, NULL );
  89     semaphore[1] = CreateSemaphore( NULL, 1, 1, NULL );
  90     ok( semaphore[0] && semaphore[1], "failed to create semaphore\n");
  91
  92     r = pSignalObjectAndWait(semaphore[0], semaphore[1], 0, FALSE);
  93     ok( r == WAIT_OBJECT_0, "should succeed\n");
  94
  95     r = pSignalObjectAndWait(semaphore[0], semaphore[1], 0, FALSE);
  96     ok( r == WAIT_FAILED, "should fail\n");
  97
  98     r = ReleaseSemaphore(semaphore[0],1,NULL);
  99     ok( r == FALSE, "should fail\n");
 100
 101     r = ReleaseSemaphore(semaphore[1],1,NULL);
 102     ok( r == TRUE, "should succeed\n");
 103
 104     CloseHandle(semaphore[0]);
 105     CloseHandle(semaphore[1]);
 106
 107     /* try a registry key */
 108     file = CreateFile("x", GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 109         FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL);
 110     r = pSignalObjectAndWait(file, file, 0, FALSE);
 111     ok( r == WAIT_FAILED, "should fail\n");
 112     todo_wine {
 113     ok( ERROR_INVALID_HANDLE == GetLastError(), "should return invalid handle error\n");
 114     }
 115     CloseHandle(file);
 116 }
 117
 118 START_TEST(sync)
 119 {
 120     test_signalandwait();
 121 }