dlls/pdh/tests/pdh.c

   1 /*
   2  * Tests for pdh.dll (Performance Data Helper)
   3  *
   4  * Copyright 2007 Hans Leidekker
   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 <stdio.h>
  22
  23 #include "windows.h"
  24
  25 #include "pdh.h"
  26 #include "pdhmsg.h"
  27
  28 #include "wine/test.h"
  29
  30 static void test_open_close_query( void )
  31 {
  32     PDH_STATUS ret;
  33     PDH_HQUERY query;
  34
  35     ret = PdhOpenQueryA( NULL, 0, NULL );
  36     ok(ret == PDH_INVALID_ARGUMENT, "PdhOpenQueryA failed 0x%08x\n", ret);
  37
  38     ret = PdhOpenQueryA( NULL, 0, &query );
  39     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
  40
  41     ret = PdhCloseQuery( NULL );
  42     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  43
  44     ret = PdhCloseQuery( &query );
  45     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  46
  47     ret = PdhCloseQuery( query );
  48     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
  49 }
  50
  51 START_TEST(pdh)
  52 {
  53     test_open_close_query();
  54 }