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