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   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 HMODULE pdh;
  31
  32 static PDH_STATUS   (WINAPI *pPdhAddEnglishCounterA)(PDH_HQUERY, LPCSTR, DWORD_PTR, PDH_HCOUNTER *);
  33 static PDH_STATUS   (WINAPI *pPdhAddEnglishCounterW)(PDH_HQUERY, LPCWSTR, DWORD_PTR, PDH_HCOUNTER *);
  34 static PDH_STATUS   (WINAPI *pPdhCollectQueryDataWithTime)(PDH_HQUERY, LONGLONG *);
  35
  36 #define GETFUNCPTR(func) p##func = (void *)GetProcAddress( pdh, #func );
  37
  38 static void init_function_ptrs( void )
  39 {
  40     pdh = GetModuleHandle( "pdh" );
  41     GETFUNCPTR( PdhAddEnglishCounterA )
  42     GETFUNCPTR( PdhAddEnglishCounterW )
  43     GETFUNCPTR( PdhCollectQueryDataWithTime )
  44 }
  45
  46 static const WCHAR processor_time[] =
  47     {'%',' ','P','r','o','c','e','s','s','o','r',' ','T','i','m','e',0};
  48 static const WCHAR uptime[] =
  49     {'S','y','s','t','e','m',' ','U','p',' ','T','i','m','e',0};
  50
  51 static const WCHAR system_uptime[] =
  52     {'\\','S','y','s','t','e','m','\\','S','y','s','t','e','m',' ','U','p',' ','T','i','m','e',0};
  53 static const WCHAR system_downtime[] = /* does not exist */
  54     {'\\','S','y','s','t','e','m','\\','S','y','s','t','e','m',' ','D','o','w','n',' ','T','i','m','e',0};
  55 static const WCHAR percentage_processor_time[] =
  56     {'\\','P','r','o','c','e','s','s','o','r','(','_','T','o','t','a','l',')',
  57      '\\','%',' ','P','r','o','c','e','s','s','o','r',' ','T','i','m','e',0};
  58
  59 static void test_PdhOpenQueryA( void )
  60 {
  61     PDH_STATUS ret;
  62     PDH_HQUERY query;
  63
  64     ret = PdhOpenQueryA( NULL, 0, NULL );
  65     ok(ret == PDH_INVALID_ARGUMENT, "PdhOpenQueryA failed 0x%08x\n", ret);
  66
  67     ret = PdhOpenQueryA( NULL, 0, &query );
  68     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
  69
  70     ret = PdhCloseQuery( NULL );
  71     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  72
  73     ret = PdhCloseQuery( &query );
  74     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  75
  76     ret = PdhCloseQuery( query );
  77     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
  78
  79     ret = PdhCloseQuery( query );
  80     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  81 }
  82
  83 static void test_PdhOpenQueryW( void )
  84 {
  85     PDH_STATUS ret;
  86     PDH_HQUERY query;
  87
  88     ret = PdhOpenQueryW( NULL, 0, NULL );
  89     ok(ret == PDH_INVALID_ARGUMENT, "PdhOpenQueryW failed 0x%08x\n", ret);
  90
  91     ret = PdhOpenQueryW( NULL, 0, &query );
  92     ok(ret == ERROR_SUCCESS, "PdhOpenQueryW failed 0x%08x\n", ret);
  93
  94     ret = PdhCloseQuery( NULL );
  95     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  96
  97     ret = PdhCloseQuery( &query );
  98     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
  99
 100     ret = PdhCloseQuery( query );
 101     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 102
 103     ret = PdhCloseQuery( query );
 104     ok(ret == PDH_INVALID_HANDLE, "PdhCloseQuery failed 0x%08x\n", ret);
 105 }
 106
 107 static void test_PdhAddCounterA( void )
 108 {
 109     PDH_STATUS ret;
 110     PDH_HQUERY query;
 111     PDH_HCOUNTER counter;
 112
 113     ret = PdhOpenQueryA( NULL, 0, &query );
 114     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 115
 116     ret = PdhAddCounterA( NULL, "\\System\\System Up Time", 0, NULL );
 117     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddCounterA failed 0x%08x\n", ret);
 118
 119     ret = PdhAddCounterA( NULL, "\\System\\System Up Time", 0, &counter );
 120     ok(ret == PDH_INVALID_HANDLE, "PdhAddCounterA failed 0x%08x\n", ret);
 121
 122     ret = PdhAddCounterA( query, NULL, 0, &counter );
 123     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddCounterA failed 0x%08x\n", ret);
 124
 125     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, NULL );
 126     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddCounterA failed 0x%08x\n", ret);
 127
 128     ret = PdhAddCounterA( query, "\\System\\System Down Time", 0, &counter );
 129     ok(ret == PDH_CSTATUS_NO_COUNTER, "PdhAddCounterA failed 0x%08x\n", ret);
 130     ok(!counter, "PdhAddCounterA failed %p\n", counter);
 131
 132     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 133     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 134
 135     ret = PdhCollectQueryData( NULL );
 136     ok(ret == PDH_INVALID_HANDLE, "PdhCollectQueryData failed 0x%08x\n", ret);
 137
 138     ret = PdhCollectQueryData( counter );
 139     ok(ret == PDH_INVALID_HANDLE, "PdhCollectQueryData failed 0x%08x\n", ret);
 140
 141     ret = PdhCollectQueryData( query );
 142     ok(ret == ERROR_SUCCESS, "PdhCollectQueryData failed 0x%08x\n", ret);
 143
 144     ret = PdhRemoveCounter( NULL );
 145     ok(ret == PDH_INVALID_HANDLE, "PdhRemoveCounter failed 0x%08x\n", ret);
 146
 147     ret = PdhRemoveCounter( counter );
 148     ok(ret == ERROR_SUCCESS, "PdhRemoveCounter failed 0x%08x\n", ret);
 149
 150     ret = PdhCloseQuery( query );
 151     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 152 }
 153
 154 static void test_PdhAddCounterW( void )
 155 {
 156     PDH_STATUS ret;
 157     PDH_HQUERY query;
 158     PDH_HCOUNTER counter;
 159
 160     ret = PdhOpenQueryW( NULL, 0, &query );
 161     ok(ret == ERROR_SUCCESS, "PdhOpenQueryW failed 0x%08x\n", ret);
 162
 163     ret = PdhAddCounterW( NULL, percentage_processor_time, 0, NULL );
 164     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddCounterW failed 0x%08x\n", ret);
 165
 166     ret = PdhAddCounterW( NULL, percentage_processor_time, 0, &counter );
 167     ok(ret == PDH_INVALID_HANDLE, "PdhAddCounterW failed 0x%08x\n", ret);
 168
 169     ret = PdhAddCounterW( query, NULL, 0, &counter );
 170     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddCounterW failed 0x%08x\n", ret);
 171
 172     ret = PdhAddCounterW( query, percentage_processor_time, 0, NULL );
 173     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddCounterW failed 0x%08x\n", ret);
 174
 175     ret = PdhAddCounterW( query, system_downtime, 0, &counter );
 176     ok(ret == PDH_CSTATUS_NO_COUNTER, "PdhAddCounterW failed 0x%08x\n", ret);
 177     ok(!counter, "PdhAddCounterW failed %p\n", counter);
 178
 179     ret = PdhAddCounterW( query, percentage_processor_time, 0, &counter );
 180     ok(ret == ERROR_SUCCESS, "PdhAddCounterW failed 0x%08x\n", ret);
 181
 182     ret = PdhCollectQueryData( NULL );
 183     ok(ret == PDH_INVALID_HANDLE, "PdhCollectQueryData failed 0x%08x\n", ret);
 184
 185     ret = PdhCollectQueryData( counter );
 186     ok(ret == PDH_INVALID_HANDLE, "PdhCollectQueryData failed 0x%08x\n", ret);
 187
 188     ret = PdhCollectQueryData( query );
 189     ok(ret == ERROR_SUCCESS, "PdhCollectQueryData failed 0x%08x\n", ret);
 190
 191     ret = PdhRemoveCounter( NULL );
 192     ok(ret == PDH_INVALID_HANDLE, "PdhRemoveCounter failed 0x%08x\n", ret);
 193
 194     ret = PdhRemoveCounter( counter );
 195     ok(ret == ERROR_SUCCESS, "PdhRemoveCounter failed 0x%08x\n", ret);
 196
 197     ret = PdhCloseQuery( query );
 198     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 199 }
 200
 201 static void test_PdhAddEnglishCounterA( void )
 202 {
 203     PDH_STATUS ret;
 204     PDH_HQUERY query;
 205     PDH_HCOUNTER counter;
 206
 207     ret = PdhOpenQueryA( NULL, 0, &query );
 208     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 209
 210     ret = pPdhAddEnglishCounterA( NULL, "\\System\\System Up Time", 0, NULL );
 211     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddEnglishCounterA failed 0x%08x\n", ret);
 212
 213     ret = pPdhAddEnglishCounterA( NULL, "\\System\\System Up Time", 0, &counter );
 214     ok(ret == PDH_INVALID_HANDLE, "PdhAddEnglishCounterA failed 0x%08x\n", ret);
 215
 216     ret = pPdhAddEnglishCounterA( query, NULL, 0, &counter );
 217     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddEnglishCounterA failed 0x%08x\n", ret);
 218
 219     ret = pPdhAddEnglishCounterA( query, "\\System\\System Up Time", 0, NULL );
 220     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddEnglishCounterA failed 0x%08x\n", ret);
 221
 222     ret = pPdhAddEnglishCounterA( query, "\\System\\System Down Time", 0, &counter );
 223     ok(ret == PDH_CSTATUS_NO_COUNTER, "PdhAddEnglishCounterA failed 0x%08x\n", ret);
 224     ok(!counter, "PdhAddEnglishCounterA failed %p\n", counter);
 225
 226     ret = pPdhAddEnglishCounterA( query, "\\System\\System Up Time", 0, &counter );
 227     ok(ret == ERROR_SUCCESS, "PdhAddEnglishCounterA failed 0x%08x\n", ret);
 228
 229     ret = PdhCollectQueryData( query );
 230     ok(ret == ERROR_SUCCESS, "PdhCollectQueryData failed 0x%08x\n", ret);
 231
 232     ret = PdhRemoveCounter( counter );
 233     ok(ret == ERROR_SUCCESS, "PdhRemoveCounter failed 0x%08x\n", ret);
 234
 235     ret = PdhCloseQuery( query );
 236     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 237 }
 238
 239 static void test_PdhAddEnglishCounterW( void )
 240 {
 241     PDH_STATUS ret;
 242     PDH_HQUERY query;
 243     PDH_HCOUNTER counter;
 244
 245     ret = PdhOpenQueryW( NULL, 0, &query );
 246     ok(ret == ERROR_SUCCESS, "PdhOpenQueryW failed 0x%08x\n", ret);
 247
 248     ret = pPdhAddEnglishCounterW( NULL, system_uptime, 0, NULL );
 249     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddEnglishCounterW failed 0x%08x\n", ret);
 250
 251     ret = pPdhAddEnglishCounterW( NULL, system_uptime, 0, &counter );
 252     ok(ret == PDH_INVALID_HANDLE, "PdhAddEnglishCounterW failed 0x%08x\n", ret);
 253
 254     ret = pPdhAddEnglishCounterW( query, NULL, 0, &counter );
 255     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddEnglishCounterW failed 0x%08x\n", ret);
 256
 257     ret = pPdhAddEnglishCounterW( query, system_uptime, 0, NULL );
 258     ok(ret == PDH_INVALID_ARGUMENT, "PdhAddEnglishCounterW failed 0x%08x\n", ret);
 259
 260     ret = pPdhAddEnglishCounterW( query, system_downtime, 0, &counter );
 261     ok(ret == PDH_CSTATUS_NO_COUNTER, "PdhAddEnglishCounterW failed 0x%08x\n", ret);
 262     ok(!counter, "PdhAddEnglishCounterA failed %p\n", counter);
 263
 264     ret = pPdhAddEnglishCounterW( query, system_uptime, 0, &counter );
 265     ok(ret == ERROR_SUCCESS, "PdhAddEnglishCounterW failed 0x%08x\n", ret);
 266
 267     ret = PdhCollectQueryData( query );
 268     ok(ret == ERROR_SUCCESS, "PdhCollectQueryData failed 0x%08x\n", ret);
 269
 270     ret = PdhRemoveCounter( counter );
 271     ok(ret == ERROR_SUCCESS, "PdhRemoveCounter failed 0x%08x\n", ret);
 272
 273     ret = PdhCloseQuery( query );
 274     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 275 }
 276
 277 static void test_PdhCollectQueryDataWithTime( void )
 278 {
 279     PDH_STATUS ret;
 280     PDH_HQUERY query;
 281     PDH_HCOUNTER counter;
 282     LONGLONG time;
 283
 284     ret = PdhOpenQueryA( NULL, 0, &query );
 285     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 286
 287     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 288     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 289
 290     ret = pPdhCollectQueryDataWithTime( NULL, NULL );
 291     ok(ret == PDH_INVALID_HANDLE, "PdhCollectQueryDataWithTime failed 0x%08x\n", ret);
 292
 293     ret = pPdhCollectQueryDataWithTime( query, NULL );
 294     ok(ret == ERROR_SUCCESS, "PdhCollectQueryDataWithTime failed 0x%08x\n", ret);
 295
 296     ret = pPdhCollectQueryDataWithTime( NULL, &time );
 297     ok(ret == PDH_INVALID_HANDLE, "PdhCollectQueryDataWithTime failed 0x%08x\n", ret);
 298
 299     ret = pPdhCollectQueryDataWithTime( query, &time );
 300     ok(ret == ERROR_SUCCESS, "PdhCollectQueryDataWithTime failed 0x%08x\n", ret);
 301
 302     ret = PdhCloseQuery( query );
 303     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 304 }
 305
 306 static void test_PdhGetFormattedCounterValue( void )
 307 {
 308     PDH_STATUS ret;
 309     PDH_HQUERY query;
 310     PDH_HCOUNTER counter;
 311     PDH_FMT_COUNTERVALUE value;
 312
 313     ret = PdhOpenQueryA( NULL, 0, &query );
 314     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 315
 316     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 317     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 318
 319     ret = PdhGetFormattedCounterValue( NULL, PDH_FMT_LARGE, NULL, NULL );
 320     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 321
 322     ret = PdhGetFormattedCounterValue( NULL, PDH_FMT_LARGE, NULL, &value );
 323     ok(ret == PDH_INVALID_HANDLE, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 324
 325     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE, NULL, NULL );
 326     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 327
 328     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE, NULL, &value );
 329     ok(ret == ERROR_SUCCESS, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 330
 331     ret = PdhCollectQueryData( query );
 332     ok(ret == ERROR_SUCCESS, "PdhCollectQueryData failed 0x%08x\n", ret);
 333
 334     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE, NULL, &value );
 335     ok(ret == ERROR_SUCCESS, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 336
 337     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE | PDH_FMT_NOSCALE, NULL, &value );
 338     ok(ret == ERROR_SUCCESS, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 339
 340     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE | PDH_FMT_NOCAP100, NULL, &value );
 341     ok(ret == ERROR_SUCCESS, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 342
 343     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE | PDH_FMT_1000, NULL, &value );
 344     ok(ret == ERROR_SUCCESS, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 345
 346     ret = PdhSetCounterScaleFactor( counter, 2 );
 347     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 348
 349     ret = PdhGetFormattedCounterValue( counter, PDH_FMT_LARGE, NULL, &value );
 350     ok(ret == ERROR_SUCCESS, "PdhGetFormattedCounterValue failed 0x%08x\n", ret);
 351
 352     ret = PdhCloseQuery( query );
 353     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 354 }
 355
 356 static void test_PdhGetRawCounterValue( void )
 357 {
 358     PDH_STATUS ret;
 359     PDH_HQUERY query;
 360     PDH_HCOUNTER counter;
 361     PDH_RAW_COUNTER value;
 362
 363     ret = PdhOpenQueryA( NULL, 0, &query );
 364     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 365
 366     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 367     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 368
 369     ret = PdhGetRawCounterValue( NULL, NULL, &value );
 370     ok(ret == PDH_INVALID_HANDLE, "PdhGetRawCounterValue failed 0x%08x\n", ret);
 371
 372     ret = PdhGetRawCounterValue( counter, NULL, NULL );
 373     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetRawCounterValue failed 0x%08x\n", ret);
 374
 375     ret = PdhGetRawCounterValue( counter, NULL, &value );
 376     ok(ret == ERROR_SUCCESS, "PdhGetRawCounterValue failed 0x%08x\n", ret);
 377     ok(value.CStatus == ERROR_SUCCESS, "expected ERROR_SUCCESS got %x\n", value.CStatus);
 378
 379     ret = PdhCollectQueryData( query );
 380     ok(ret == ERROR_SUCCESS, "PdhCollectQueryData failed 0x%08x\n", ret);
 381
 382     ret = PdhGetRawCounterValue( counter, NULL, &value );
 383     ok(ret == ERROR_SUCCESS, "PdhGetRawCounterValue failed 0x%08x\n", ret);
 384     ok(value.CStatus == ERROR_SUCCESS, "expected ERROR_SUCCESS got %x\n", value.CStatus);
 385
 386     ret = PdhCloseQuery( query );
 387     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 388 }
 389
 390 static void test_PdhSetCounterScaleFactor( void )
 391 {
 392     PDH_STATUS ret;
 393     PDH_HQUERY query;
 394     PDH_HCOUNTER counter;
 395
 396     ret = PdhOpenQueryA( NULL, 0, &query );
 397     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 398
 399     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 400     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 401
 402     ret = PdhSetCounterScaleFactor( NULL, 8 );
 403     ok(ret == PDH_INVALID_HANDLE, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 404
 405     ret = PdhSetCounterScaleFactor( NULL, 1 );
 406     ok(ret == PDH_INVALID_HANDLE, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 407
 408     ret = PdhSetCounterScaleFactor( counter, 8 );
 409     ok(ret == PDH_INVALID_ARGUMENT, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 410
 411     ret = PdhSetCounterScaleFactor( counter, -8 );
 412     ok(ret == PDH_INVALID_ARGUMENT, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 413
 414     ret = PdhSetCounterScaleFactor( counter, 7 );
 415     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 416
 417     ret = PdhSetCounterScaleFactor( counter, 0 );
 418     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 419
 420     ret = PdhCloseQuery( query );
 421     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 422 }
 423
 424 static void test_PdhGetCounterTimeBase( void )
 425 {
 426     PDH_STATUS ret;
 427     PDH_HQUERY query;
 428     PDH_HCOUNTER counter;
 429     LONGLONG base;
 430
 431     ret = PdhOpenQueryA( NULL, 0, &query );
 432     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 433
 434     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 435     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 436
 437     ret = PdhGetCounterTimeBase( NULL, NULL );
 438     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetCounterTimeBase failed 0x%08x\n", ret);
 439
 440     ret = PdhGetCounterTimeBase( NULL, &base );
 441     ok(ret == PDH_INVALID_HANDLE, "PdhGetCounterTimeBase failed 0x%08x\n", ret);
 442
 443     ret = PdhGetCounterTimeBase( counter, NULL );
 444     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetCounterTimeBase failed 0x%08x\n", ret);
 445
 446     ret = PdhGetCounterTimeBase( counter, &base );
 447     ok(ret == ERROR_SUCCESS, "PdhGetCounterTimeBase failed 0x%08x\n", ret);
 448
 449     ret = PdhCloseQuery( query );
 450     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 451 }
 452
 453 static void test_PdhGetCounterInfoA( void )
 454 {
 455     PDH_STATUS ret;
 456     PDH_HQUERY query;
 457     PDH_HCOUNTER counter;
 458     PDH_COUNTER_INFO_A info;
 459     DWORD size;
 460
 461     ret = PdhOpenQueryA( NULL, 0, &query );
 462     ok(ret == ERROR_SUCCESS, "PdhOpenQueryA failed 0x%08x\n", ret);
 463
 464     ret = PdhAddCounterA( query, "\\System\\System Up Time", 0, &counter );
 465     ok(ret == ERROR_SUCCESS, "PdhAddCounterA failed 0x%08x\n", ret);
 466
 467     ret = PdhGetCounterInfoA( NULL, 0, NULL, NULL );
 468     ok(ret == PDH_INVALID_HANDLE, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 469
 470     ret = PdhGetCounterInfoA( counter, 0, NULL, NULL );
 471     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 472
 473     ret = PdhGetCounterInfoA( counter, 0, NULL, &info );
 474     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 475
 476     size = sizeof(info) - 1;
 477     ret = PdhGetCounterInfoA( counter, 0, &size, NULL );
 478     ok(ret == PDH_MORE_DATA, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 479
 480     size = sizeof(info);
 481     ret = PdhGetCounterInfoA( counter, 0, &size, &info );
 482     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 483     ok(size == sizeof(info), "PdhGetCounterInfoA failed %d\n", size);
 484
 485     ret = PdhGetCounterInfoA( counter, 0, &size, &info );
 486     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 487     ok(info.lScale == 0, "lScale %d\n", info.lScale);
 488
 489     ret = PdhSetCounterScaleFactor( counter, 0 );
 490     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 491
 492     ret = PdhGetCounterInfoA( counter, 0, &size, &info );
 493     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 494     ok(info.lScale == 0, "lScale %d\n", info.lScale);
 495
 496     ret = PdhSetCounterScaleFactor( counter, -5 );
 497     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 498
 499     ret = PdhGetCounterInfoA( counter, 0, &size, &info );
 500     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoA failed 0x%08x\n", ret);
 501     ok(info.lScale == -5, "lScale %d\n", info.lScale);
 502
 503     ret = PdhCloseQuery( query );
 504     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 505 }
 506
 507 static void test_PdhGetCounterInfoW( void )
 508 {
 509     PDH_STATUS ret;
 510     PDH_HQUERY query;
 511     PDH_HCOUNTER counter;
 512     PDH_COUNTER_INFO_W info;
 513     DWORD size;
 514
 515     ret = PdhOpenQueryW( NULL, 0, &query );
 516     ok(ret == ERROR_SUCCESS, "PdhOpenQueryW failed 0x%08x\n", ret);
 517
 518     ret = PdhAddCounterW( query, percentage_processor_time, 0, &counter );
 519     ok(ret == ERROR_SUCCESS, "PdhAddCounterW failed 0x%08x\n", ret);
 520
 521     ret = PdhGetCounterInfoW( NULL, 0, NULL, NULL );
 522     ok(ret == PDH_INVALID_HANDLE, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 523
 524     ret = PdhGetCounterInfoW( counter, 0, NULL, NULL );
 525     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 526
 527     ret = PdhGetCounterInfoW( counter, 0, NULL, &info );
 528     ok(ret == PDH_INVALID_ARGUMENT, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 529
 530     size = sizeof(info) - 1;
 531     ret = PdhGetCounterInfoW( counter, 0, &size, NULL );
 532     ok(ret == PDH_MORE_DATA, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 533
 534     size = sizeof(info);
 535     ret = PdhGetCounterInfoW( counter, 0, &size, &info );
 536     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 537     ok(size == sizeof(info), "PdhGetCounterInfoW failed %d\n", size);
 538
 539     ret = PdhGetCounterInfoW( counter, 0, &size, &info );
 540     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 541     ok(info.lScale == 0, "lScale %d\n", info.lScale);
 542
 543     ret = PdhSetCounterScaleFactor( counter, 0 );
 544     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 545
 546     ret = PdhGetCounterInfoW( counter, 0, &size, &info );
 547     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 548     ok(info.lScale == 0, "lScale %d\n", info.lScale);
 549
 550     ret = PdhSetCounterScaleFactor( counter, -5 );
 551     ok(ret == ERROR_SUCCESS, "PdhSetCounterScaleFactor failed 0x%08x\n", ret);
 552
 553     ret = PdhGetCounterInfoW( counter, 0, &size, &info );
 554     ok(ret == ERROR_SUCCESS, "PdhGetCounterInfoW failed 0x%08x\n", ret);
 555     ok(info.lScale == -5, "lScale %d\n", info.lScale);
 556
 557     ret = PdhCloseQuery( query );
 558     ok(ret == ERROR_SUCCESS, "PdhCloseQuery failed 0x%08x\n", ret);
 559 }
 560
 561 static void test_PdhLookupPerfIndexByNameA( void )
 562 {
 563     PDH_STATUS ret;
 564     DWORD index;
 565
 566     ret = PdhLookupPerfIndexByNameA( NULL, NULL, NULL );
 567     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfIndexByNameA failed 0x%08x\n", ret);
 568
 569     ret = PdhLookupPerfIndexByNameA( NULL, NULL, &index );
 570     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfIndexByNameA failed 0x%08x\n", ret);
 571
 572     ret = PdhLookupPerfIndexByNameA( NULL, "No Counter", &index );
 573     ok(ret == PDH_STRING_NOT_FOUND, "PdhLookupPerfIndexByNameA failed 0x%08x\n", ret);
 574
 575     ret = PdhLookupPerfIndexByNameA( NULL, "% Processor Time", NULL );
 576     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfIndexByNameA failed 0x%08x\n", ret);
 577
 578     ret = PdhLookupPerfIndexByNameA( NULL, "% Processor Time", &index );
 579     ok(ret == ERROR_SUCCESS, "PdhLookupPerfIndexByNameA failed 0x%08x\n", ret);
 580     ok(index == 6, "PdhLookupPerfIndexByNameA failed %d\n", index);
 581
 582     ret = PdhLookupPerfIndexByNameA( NULL, "System Up Time", &index );
 583     ok(ret == ERROR_SUCCESS, "PdhLookupPerfIndexByNameA failed 0x%08x\n", ret);
 584     ok(index == 674, "PdhLookupPerfIndexByNameA failed %d\n", index);
 585 }
 586
 587 static void test_PdhLookupPerfIndexByNameW( void )
 588 {
 589     PDH_STATUS ret;
 590     DWORD index;
 591
 592     static const WCHAR no_counter[] = {'N','o',' ','C','o','u','n','t','e','r',0};
 593
 594     ret = PdhLookupPerfIndexByNameW( NULL, NULL, NULL );
 595     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfIndexByNameW failed 0x%08x\n", ret);
 596
 597     ret = PdhLookupPerfIndexByNameW( NULL, NULL, &index );
 598     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfIndexByNameW failed 0x%08x\n", ret);
 599
 600     ret = PdhLookupPerfIndexByNameW( NULL, no_counter, &index );
 601     ok(ret == PDH_STRING_NOT_FOUND, "PdhLookupPerfIndexByNameW failed 0x%08x\n", ret);
 602
 603     ret = PdhLookupPerfIndexByNameW( NULL, processor_time, NULL );
 604     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfIndexByNameW failed 0x%08x\n", ret);
 605
 606     ret = PdhLookupPerfIndexByNameW( NULL, processor_time, &index );
 607     ok(ret == ERROR_SUCCESS, "PdhLookupPerfIndexByNameW failed 0x%08x\n", ret);
 608     ok(index == 6, "PdhLookupPerfIndexByNameW failed %d\n", index);
 609
 610     ret = PdhLookupPerfIndexByNameW( NULL, uptime, &index );
 611     ok(ret == ERROR_SUCCESS, "PdhLookupPerfIndexByNameW failed 0x%08x\n", ret);
 612     ok(index == 674, "PdhLookupPerfIndexByNameW failed %d\n", index);
 613 }
 614
 615 static void test_PdhLookupPerfNameByIndexA( void )
 616 {
 617     PDH_STATUS ret;
 618     char buffer[PDH_MAX_COUNTER_NAME] = "!!";
 619     DWORD size;
 620
 621     ret = PdhLookupPerfNameByIndexA( NULL, 0, NULL, NULL );
 622     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 623
 624     size = 1;
 625     ret = PdhLookupPerfNameByIndexA( NULL, 0, NULL, &size );
 626     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 627     ok(size == 1, "PdhLookupPerfNameByIndexA failed %d\n", size);
 628
 629     size = sizeof(buffer);
 630     ret = PdhLookupPerfNameByIndexA( NULL, 0, buffer, &size );
 631     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 632     ok(!strcmp(buffer, "!!"), "PdhLookupPerfNameByIndexA failed %s\n", buffer);
 633
 634     size = 0;
 635     ret = PdhLookupPerfNameByIndexA( NULL, 6, buffer, &size );
 636     ok(ret == PDH_MORE_DATA, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 637     ok(size == sizeof("% Processor Time"), "PdhLookupPerfNameByIndexA failed %d\n", size);
 638
 639     size = sizeof(buffer);
 640     ret = PdhLookupPerfNameByIndexA( NULL, 6, buffer, &size );
 641     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 642     ok(!lstrcmpA( buffer, "% Processor Time" ),
 643        "PdhLookupPerfNameByIndexA failed, got %s expected \'%% Processor Time\'\n", buffer);
 644     ok(size == sizeof("% Processor Time"), "PdhLookupPerfNameByIndexA failed %d\n", size);
 645
 646     size = 0;
 647     ret = PdhLookupPerfNameByIndexA( NULL, 674, NULL, &size );
 648     ok(ret == PDH_MORE_DATA, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 649     ok(size == sizeof("System Up Time"), "PdhLookupPerfNameByIndexA failed %d\n", size);
 650
 651     size = sizeof(buffer);
 652     ret = PdhLookupPerfNameByIndexA( NULL, 674, buffer, &size );
 653     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexA failed 0x%08x\n", ret);
 654     ok(!lstrcmpA( buffer, "System Up Time" ),
 655        "PdhLookupPerfNameByIndexA failed, got %s expected \'System Up Time\'\n", buffer);
 656     ok(size == sizeof("System Up Time"), "PdhLookupPerfNameByIndexA failed %d\n", size);
 657 }
 658
 659 static void test_PdhLookupPerfNameByIndexW( void )
 660 {
 661     PDH_STATUS ret;
 662     WCHAR buffer[PDH_MAX_COUNTER_NAME];
 663     DWORD size;
 664
 665     ret = PdhLookupPerfNameByIndexW( NULL, 0, NULL, NULL );
 666     ok(ret == PDH_INVALID_ARGUMENT, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 667
 668     size = 1;
 669     ret = PdhLookupPerfNameByIndexW( NULL, 0, NULL, &size );
 670     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 671     ok(size == 1, "PdhLookupPerfNameByIndexW failed %d\n", size);
 672
 673     size = sizeof(buffer) / sizeof(WCHAR);
 674     ret = PdhLookupPerfNameByIndexW( NULL, 0, buffer, &size );
 675     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 676
 677     size = 0;
 678     ret = PdhLookupPerfNameByIndexW( NULL, 6, buffer, &size );
 679     ok(ret == PDH_MORE_DATA, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 680     ok(size == sizeof(processor_time) / sizeof(WCHAR), "PdhLookupPerfNameByIndexW failed %d\n", size);
 681
 682     size = sizeof(buffer) / sizeof(WCHAR);
 683     ret = PdhLookupPerfNameByIndexW( NULL, 6, buffer, &size );
 684     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 685     ok(size == sizeof(processor_time) / sizeof(WCHAR), "PdhLookupPerfNameByIndexW failed %d\n", size);
 686
 687     size = 0;
 688     ret = PdhLookupPerfNameByIndexW( NULL, 674, NULL, &size );
 689     ok(ret == PDH_MORE_DATA, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 690     ok(size == sizeof(uptime) / sizeof(WCHAR), "PdhLookupPerfNameByIndexW failed %d\n", size);
 691
 692     size = sizeof(buffer) / sizeof(WCHAR);
 693     ret = PdhLookupPerfNameByIndexW( NULL, 674, buffer, &size );
 694     ok(ret == ERROR_SUCCESS, "PdhLookupPerfNameByIndexW failed 0x%08x\n", ret);
 695     ok(size == sizeof(uptime) / sizeof(WCHAR), "PdhLookupPerfNameByIndexW failed %d\n", size);
 696 }
 697
 698 START_TEST(pdh)
 699 {
 700     init_function_ptrs();
 701
 702     test_PdhOpenQueryA();
 703     test_PdhOpenQueryW();
 704
 705     test_PdhAddCounterA();
 706     test_PdhAddCounterW();
 707
 708     if (pPdhAddEnglishCounterA) test_PdhAddEnglishCounterA();
 709     if (pPdhAddEnglishCounterW) test_PdhAddEnglishCounterW();
 710     if (pPdhCollectQueryDataWithTime) test_PdhCollectQueryDataWithTime();
 711
 712     test_PdhGetFormattedCounterValue();
 713     test_PdhGetRawCounterValue();
 714     test_PdhSetCounterScaleFactor();
 715     test_PdhGetCounterTimeBase();
 716
 717     test_PdhGetCounterInfoA();
 718     test_PdhGetCounterInfoW();
 719
 720     test_PdhLookupPerfIndexByNameA();
 721     test_PdhLookupPerfIndexByNameW();
 722
 723     test_PdhLookupPerfNameByIndexA();
 724     test_PdhLookupPerfNameByIndexW();
 725 }