reactos/rostests/apitests/gdi32api/tests/EngAcquireSemaphore.c

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/* Simple test of EngAcquireSemaphore only check if we got a lock or not */
INT
Test_EngAcquireSemaphore(PTESTINFO pti)
{
HSEMAPHORE hsem;
PRTL_CRITICAL_SECTION lpcrit;
hsem = EngCreateSemaphore();
RTEST ( hsem != NULL );
ASSERT(hsem != NULL);
lpcrit = (PRTL_CRITICAL_SECTION) hsem;
/* real data test */
EngAcquireSemaphore(hsem);
// RTEST (lpcrit->LockCount == -2); doesn't work on XP
RTEST (lpcrit->RecursionCount == 1);
RTEST (lpcrit->OwningThread != 0);
RTEST (lpcrit->LockSemaphore == 0);
RTEST (lpcrit->SpinCount == 0);
ASSERT(lpcrit->DebugInfo != NULL);
RTEST (lpcrit->DebugInfo->Type == 0);
RTEST (lpcrit->DebugInfo->CreatorBackTraceIndex == 0);
RTEST (lpcrit->DebugInfo->EntryCount == 0);
RTEST (lpcrit->DebugInfo->ContentionCount == 0);
EngReleaseSemaphore(hsem);
EngDeleteSemaphore(hsem);
/* NULL pointer test */
// Note NULL pointer test crash in Vista */
// EngAcquireSemaphore(NULL);
/* negtive pointer test */
// Note negtive pointer test crash in Vista */
// EngAcquireSemaphore((HSEMAPHORE)-1);
/* try with deleted Semaphore */
// Note deleted Semaphore pointer test does freze the whole program in Vista */
// EngAcquireSemaphore(hsem);
return APISTATUS_NORMAL;
}