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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\prime\t_rwlock.cpp
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// Overview:
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// Test the RReadWriteLock type.
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// API Information:
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// RReadWriteLock
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// Details:
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// Test all functions individually and in combination.
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// Platforms/Drives/Compatibility:
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// All.
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// Assumptions/Requirement/Pre-requisites:
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// Failures and causes:
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// Base Port information:
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//
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//
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//! @SYMTestCaseID KBASE-T_RWLOCK-2444
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//! @SYMTestType UT
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//! @SYMTestCaseDesc Verify correct operation of RReadWriteLock
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//! @SYMPREQ PREQ2094
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//! @SYMTestPriority High
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//! @SYMTestActions Call all functions of RReadWriteLock in a variety
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//! of circumstances and verify correct results
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//! @SYMTestExpectedResults All tests pass
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#include <e32atomics.h>
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#include <e32test.h>
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#include <e32panic.h>
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#include <e32def.h>
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#include <e32def_private.h>
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RTest Test(_L("T_RWLOCK"));
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RReadWriteLock TheLock;
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volatile TInt ThreadsRunning;
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TInt LogIndex;
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TBool LogReaders[20];
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// Check creating, using and closing a lock doesn't leak memory
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void TestCreation()
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{
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Test.Next(_L("Creation"));
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__KHEAP_MARK;
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__UHEAP_MARK;
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Test(TheLock.CreateLocal() == KErrNone);
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TheLock.ReadLock();
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TheLock.Unlock();
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TheLock.WriteLock();
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TheLock.Unlock();
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TheLock.Close();
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__UHEAP_MARKEND;
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__KHEAP_MARKEND;
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}
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TInt ReadEntryPoint(TAny* aArg)
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{
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*(TBool*)aArg = ETrue;
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__e32_atomic_add_ord32(&ThreadsRunning, 1);
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TheLock.ReadLock();
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const TInt index = __e32_atomic_add_ord32(&LogIndex, 1);
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LogReaders[index] = ETrue;
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TheLock.Unlock();
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__e32_atomic_add_ord32(&ThreadsRunning, TUint32(-1));
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return KErrNone;
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}
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TInt WriteEntryPoint(TAny* aArg)
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{
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*(TBool*)aArg = ETrue;
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__e32_atomic_add_ord32(&ThreadsRunning, 1);
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TheLock.WriteLock();
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const TInt index = __e32_atomic_add_ord32(&LogIndex, 1);
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LogReaders[index] = EFalse;
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TheLock.Unlock();
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__e32_atomic_add_ord32(&ThreadsRunning, TUint32(-1));
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return KErrNone;
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}
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void Init()
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{
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__e32_atomic_store_ord32(&ThreadsRunning, 0);
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__e32_atomic_store_ord32(&LogIndex, 0);
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}
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void CreateThread(TBool aReader)
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{
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RThread newThread;
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TBool threadStarted = EFalse;
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TInt ret = newThread.Create(KNullDesC, aReader ? ReadEntryPoint : WriteEntryPoint, KDefaultStackSize, KMinHeapSize, KMinHeapSize, &threadStarted, EOwnerProcess);
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Test(ret == KErrNone, __LINE__);
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newThread.SetPriority(EPriorityMore);
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newThread.Resume();
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while (!threadStarted)
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User::After(1000);
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newThread.Close();
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}
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void WaitForThreadsToClose(TInt aThreads = 0)
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{
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while (ThreadsRunning > aThreads)
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{
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User::After(1000);
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}
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}
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// Check that queuing multiple reads and writes on a lock with writer priority
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// results in the correct type of client being released in the correct order
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// (can' predict exact client order on multi-processor systems though)
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void TestWriterPriority()
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{
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Test.Next(_L("Writer Priority"));
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TInt ret = TheLock.CreateLocal(RReadWriteLock::EWriterPriority);
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Test(ret == KErrNone, __LINE__);
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TheLock.WriteLock();
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Init();
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.ReadLock();
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.Close();
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Test(LogIndex == 15, __LINE__);
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const TBool expected[] = { EFalse, EFalse, EFalse, EFalse, ETrue, ETrue, ETrue, ETrue, ETrue, ETrue, EFalse, EFalse, ETrue, ETrue, ETrue };
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for (TInt index = 0; index < LogIndex; index++)
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{
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Test(LogReaders[index] == expected[index], __LINE__);
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}
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}
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// Check that queuing multiple reads and writes on a lock with alternate priority
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// results in the correct type of client being released in the correct order
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// (can' predict exact client order on multi-processor systems though)
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void TestAlternatePriority()
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{
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Test.Next(_L("Alternate Priority"));
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TInt ret = TheLock.CreateLocal(RReadWriteLock::EAlternatePriority);
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Test(ret == KErrNone, __LINE__);
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TheLock.WriteLock();
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Init();
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(EFalse);
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CreateThread(EFalse);
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CreateThread(EFalse);
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CreateThread(EFalse);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.ReadLock();
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.Close();
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Test(LogIndex == 15, __LINE__);
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const TInt expected[] = { ETrue, EFalse, ETrue, EFalse, ETrue, EFalse, ETrue, EFalse, ETrue, EFalse, EFalse, ETrue, EFalse, ETrue, ETrue };
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for (TInt index = 0; index < LogIndex; index++)
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{
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Test(LogReaders[index] == expected[index], __LINE__);
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}
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}
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// Check that queuing multiple reads and writes on a lock with reader priority
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// results in the correct type of client being released in the correct order
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// (can' predict exact client order on multi-processor systems though)
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void TestReaderPriority()
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{
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Test.Next(_L("Reader Priority"));
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TInt ret = TheLock.CreateLocal(RReadWriteLock::EReaderPriority);
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Test(ret == KErrNone, __LINE__);
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TheLock.WriteLock();
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Init();
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.WriteLock();
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CreateThread(EFalse);
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CreateThread(ETrue);
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CreateThread(ETrue);
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CreateThread(EFalse);
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CreateThread(ETrue);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.Close();
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Test(LogIndex == 15, __LINE__);
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const TInt expected[] = { ETrue, ETrue, ETrue, ETrue, ETrue, ETrue, EFalse, EFalse, EFalse, EFalse, ETrue, ETrue, ETrue, EFalse, EFalse };
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for (TInt index = 0; index < LogIndex; index++)
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{
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Test(LogReaders[index] == expected[index], __LINE__);
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}
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}
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void DoTestTryLock(TBool aWriterFirst)
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{
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TheLock.ReadLock();
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TBool tryLock = TheLock.TryWriteLock();
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Test(!tryLock, __LINE__);
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tryLock = TheLock.TryReadLock();
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Test(tryLock, __LINE__);
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TheLock.Unlock();
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Init();
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CreateThread(EFalse);
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tryLock = TheLock.TryReadLock();
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if (tryLock)
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{
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Test(!aWriterFirst, __LINE__);
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TheLock.Unlock();
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}
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else
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{
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Test(aWriterFirst, __LINE__);
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}
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tryLock = TheLock.TryWriteLock();
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Test(!tryLock, __LINE__);
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TheLock.Unlock();
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WaitForThreadsToClose();
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TheLock.WriteLock();
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tryLock = TheLock.TryReadLock();
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Test(!tryLock, __LINE__);
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tryLock = TheLock.TryWriteLock();
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Test(!tryLock, __LINE__);
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TheLock.Unlock();
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TheLock.Close();
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}
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// Check that the TryReadLock and TryWriteLock functions block only when they
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// should for the different types of priority
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void TestTryLock()
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{
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Test.Next(_L("Try Lock"));
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TInt ret = TheLock.CreateLocal(RReadWriteLock::EWriterPriority);
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Test(ret == KErrNone, __LINE__);
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DoTestTryLock(ETrue);
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ret = TheLock.CreateLocal(RReadWriteLock::EAlternatePriority);
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Test(ret == KErrNone, __LINE__);
|
|
sl@0
|
307 |
DoTestTryLock(ETrue);
|
|
sl@0
|
308 |
|
|
sl@0
|
309 |
ret = TheLock.CreateLocal(RReadWriteLock::EReaderPriority);
|
|
sl@0
|
310 |
Test(ret == KErrNone, __LINE__);
|
|
sl@0
|
311 |
DoTestTryLock(EFalse);
|
|
sl@0
|
312 |
|
|
sl@0
|
313 |
TheLock.Close();
|
|
sl@0
|
314 |
}
|
|
sl@0
|
315 |
|
|
sl@0
|
316 |
void DoTestUpgrade(RReadWriteLock::TReadWriteLockPriority aPriority)
|
|
sl@0
|
317 |
{
|
|
sl@0
|
318 |
TInt ret = TheLock.CreateLocal(aPriority);
|
|
sl@0
|
319 |
Test(ret == KErrNone, __LINE__);
|
|
sl@0
|
320 |
TheLock.ReadLock();
|
|
sl@0
|
321 |
|
|
sl@0
|
322 |
TBool success = TheLock.TryUpgradeReadLock();
|
|
sl@0
|
323 |
Test(success, __LINE__);
|
|
sl@0
|
324 |
TheLock.Unlock();
|
|
sl@0
|
325 |
|
|
sl@0
|
326 |
TheLock.ReadLock();
|
|
sl@0
|
327 |
TheLock.ReadLock();
|
|
sl@0
|
328 |
success = TheLock.TryUpgradeReadLock();
|
|
sl@0
|
329 |
Test(!success, __LINE__);
|
|
sl@0
|
330 |
TheLock.Unlock();
|
|
sl@0
|
331 |
TheLock.Unlock();
|
|
sl@0
|
332 |
|
|
sl@0
|
333 |
TheLock.ReadLock();
|
|
sl@0
|
334 |
Init();
|
|
sl@0
|
335 |
CreateThread(EFalse);
|
|
sl@0
|
336 |
success = TheLock.TryUpgradeReadLock();
|
|
sl@0
|
337 |
Test(success || !(aPriority == RReadWriteLock::EReaderPriority), __LINE__);
|
|
sl@0
|
338 |
|
|
sl@0
|
339 |
TheLock.Unlock();
|
|
sl@0
|
340 |
WaitForThreadsToClose();
|
|
sl@0
|
341 |
TheLock.Close();
|
|
sl@0
|
342 |
}
|
|
sl@0
|
343 |
|
|
sl@0
|
344 |
// Check that upgrading a lock succeeds only when it should
|
|
sl@0
|
345 |
void TestUpgrade()
|
|
sl@0
|
346 |
{
|
|
sl@0
|
347 |
Test.Next(_L("Upgrade Lock"));
|
|
sl@0
|
348 |
|
|
sl@0
|
349 |
DoTestUpgrade(RReadWriteLock::EWriterPriority);
|
|
sl@0
|
350 |
DoTestUpgrade(RReadWriteLock::EAlternatePriority);
|
|
sl@0
|
351 |
DoTestUpgrade(RReadWriteLock::EReaderPriority);
|
|
sl@0
|
352 |
}
|
|
sl@0
|
353 |
|
|
sl@0
|
354 |
void DoTestDowngrade(RReadWriteLock::TReadWriteLockPriority aPriority)
|
|
sl@0
|
355 |
{
|
|
sl@0
|
356 |
TInt ret = TheLock.CreateLocal(aPriority);
|
|
sl@0
|
357 |
Test(ret == KErrNone, __LINE__);
|
|
sl@0
|
358 |
TheLock.WriteLock();
|
|
sl@0
|
359 |
|
|
sl@0
|
360 |
Init();
|
|
sl@0
|
361 |
CreateThread(ETrue);
|
|
sl@0
|
362 |
CreateThread(EFalse);
|
|
sl@0
|
363 |
CreateThread(ETrue);
|
|
sl@0
|
364 |
CreateThread(EFalse);
|
|
sl@0
|
365 |
|
|
sl@0
|
366 |
TheLock.DowngradeWriteLock();
|
|
sl@0
|
367 |
|
|
sl@0
|
368 |
switch (aPriority)
|
|
sl@0
|
369 |
{
|
|
sl@0
|
370 |
case RReadWriteLock::EWriterPriority:
|
|
sl@0
|
371 |
case RReadWriteLock::EAlternatePriority:
|
|
sl@0
|
372 |
{
|
|
sl@0
|
373 |
Test(LogIndex == 0, __LINE__);
|
|
sl@0
|
374 |
break;
|
|
sl@0
|
375 |
}
|
|
sl@0
|
376 |
case RReadWriteLock::EReaderPriority:
|
|
sl@0
|
377 |
{
|
|
sl@0
|
378 |
WaitForThreadsToClose(2);
|
|
sl@0
|
379 |
Test(LogIndex == 2, __LINE__);
|
|
sl@0
|
380 |
Test(LogReaders[0], __LINE__);
|
|
sl@0
|
381 |
Test(LogReaders[1], __LINE__);
|
|
sl@0
|
382 |
break;
|
|
sl@0
|
383 |
}
|
|
sl@0
|
384 |
};
|
|
sl@0
|
385 |
|
|
sl@0
|
386 |
CreateThread(ETrue);
|
|
sl@0
|
387 |
CreateThread(EFalse);
|
|
sl@0
|
388 |
CreateThread(ETrue);
|
|
sl@0
|
389 |
CreateThread(EFalse);
|
|
sl@0
|
390 |
|
|
sl@0
|
391 |
TheLock.Unlock();
|
|
sl@0
|
392 |
WaitForThreadsToClose();
|
|
sl@0
|
393 |
TheLock.Close();
|
|
sl@0
|
394 |
|
|
sl@0
|
395 |
Test(LogIndex == 8, __LINE__);
|
|
sl@0
|
396 |
|
|
sl@0
|
397 |
switch (aPriority)
|
|
sl@0
|
398 |
{
|
|
sl@0
|
399 |
case RReadWriteLock::EWriterPriority:
|
|
sl@0
|
400 |
{
|
|
sl@0
|
401 |
const TInt expected[] = { EFalse, EFalse, EFalse, EFalse, ETrue, ETrue, ETrue, ETrue };
|
|
sl@0
|
402 |
for (TInt index = 0; index < LogIndex; index++)
|
|
sl@0
|
403 |
{
|
|
sl@0
|
404 |
Test(LogReaders[index] == expected[index], __LINE__);
|
|
sl@0
|
405 |
}
|
|
sl@0
|
406 |
break;
|
|
sl@0
|
407 |
}
|
|
sl@0
|
408 |
case RReadWriteLock::EAlternatePriority:
|
|
sl@0
|
409 |
{
|
|
sl@0
|
410 |
const TInt expected[] = { EFalse, ETrue, EFalse, ETrue, EFalse, ETrue, EFalse, ETrue };
|
|
sl@0
|
411 |
for (TInt index = 0; index < LogIndex; index++)
|
|
sl@0
|
412 |
{
|
|
sl@0
|
413 |
Test(LogReaders[index] == expected[index], __LINE__);
|
|
sl@0
|
414 |
}
|
|
sl@0
|
415 |
break;
|
|
sl@0
|
416 |
}
|
|
sl@0
|
417 |
case RReadWriteLock::EReaderPriority:
|
|
sl@0
|
418 |
{
|
|
sl@0
|
419 |
const TInt expected[] = { ETrue, ETrue, ETrue, ETrue, EFalse, EFalse, EFalse, EFalse };
|
|
sl@0
|
420 |
for (TInt index = 0; index < LogIndex; index++)
|
|
sl@0
|
421 |
{
|
|
sl@0
|
422 |
Test(LogReaders[index] == expected[index], __LINE__);
|
|
sl@0
|
423 |
}
|
|
sl@0
|
424 |
break;
|
|
sl@0
|
425 |
}
|
|
sl@0
|
426 |
};
|
|
sl@0
|
427 |
}
|
|
sl@0
|
428 |
|
|
sl@0
|
429 |
// Check that downgrading a lock succeeds only when it should
|
|
sl@0
|
430 |
void TestDowngrade()
|
|
sl@0
|
431 |
{
|
|
sl@0
|
432 |
Test.Next(_L("Downgrade Lock"));
|
|
sl@0
|
433 |
|
|
sl@0
|
434 |
DoTestDowngrade(RReadWriteLock::EWriterPriority);
|
|
sl@0
|
435 |
DoTestDowngrade(RReadWriteLock::EAlternatePriority);
|
|
sl@0
|
436 |
DoTestDowngrade(RReadWriteLock::EReaderPriority);
|
|
sl@0
|
437 |
}
|
|
sl@0
|
438 |
|
|
sl@0
|
439 |
TInt PanicEntryPoint(TAny* aArg)
|
|
sl@0
|
440 |
{
|
|
sl@0
|
441 |
switch (TInt(aArg))
|
|
sl@0
|
442 |
{
|
|
sl@0
|
443 |
case 0: // Check priority lower bound
|
|
sl@0
|
444 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EWriterPriority-1));
|
|
sl@0
|
445 |
break;
|
|
sl@0
|
446 |
case 1: // Check priority upper bound
|
|
sl@0
|
447 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EReaderPriority+1));
|
|
sl@0
|
448 |
break;
|
|
sl@0
|
449 |
case 2: // Check close while holding read lock
|
|
sl@0
|
450 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EAlternatePriority));
|
|
sl@0
|
451 |
TheLock.ReadLock();
|
|
sl@0
|
452 |
TheLock.Close();
|
|
sl@0
|
453 |
break;
|
|
sl@0
|
454 |
case 3: // Check close while holding write lock
|
|
sl@0
|
455 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EAlternatePriority));
|
|
sl@0
|
456 |
TheLock.WriteLock();
|
|
sl@0
|
457 |
TheLock.Close();
|
|
sl@0
|
458 |
break;
|
|
sl@0
|
459 |
case 4: // Check max readers
|
|
sl@0
|
460 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EReaderPriority));
|
|
sl@0
|
461 |
{
|
|
sl@0
|
462 |
for (TInt count = 0; count < RReadWriteLock::EReadWriteLockClientCategoryLimit; count++)
|
|
sl@0
|
463 |
TheLock.ReadLock();
|
|
sl@0
|
464 |
}
|
|
sl@0
|
465 |
TheLock.ReadLock();
|
|
sl@0
|
466 |
break;
|
|
sl@0
|
467 |
case 5: // Check max pending readers
|
|
sl@0
|
468 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EReaderPriority));
|
|
sl@0
|
469 |
TheLock.WriteLock();
|
|
sl@0
|
470 |
{
|
|
sl@0
|
471 |
TUint16* hackLock = (TUint16*)&TheLock;
|
|
sl@0
|
472 |
hackLock[2] = KMaxTUint16; // Hack readers pending field
|
|
sl@0
|
473 |
}
|
|
sl@0
|
474 |
TheLock.ReadLock();
|
|
sl@0
|
475 |
break;
|
|
sl@0
|
476 |
case 6: // Check max pending writers
|
|
sl@0
|
477 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EReaderPriority));
|
|
sl@0
|
478 |
TheLock.ReadLock();
|
|
sl@0
|
479 |
{
|
|
sl@0
|
480 |
TUint16* hackLock = (TUint16*)&TheLock;
|
|
sl@0
|
481 |
hackLock[3] = KMaxTUint16; // Hack writers pending field
|
|
sl@0
|
482 |
}
|
|
sl@0
|
483 |
TheLock.WriteLock();
|
|
sl@0
|
484 |
break;
|
|
sl@0
|
485 |
case 7: // Check lock held when unlocking
|
|
sl@0
|
486 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EAlternatePriority));
|
|
sl@0
|
487 |
TheLock.Unlock();
|
|
sl@0
|
488 |
break;
|
|
sl@0
|
489 |
case 8: // Check lock held when unlocking after read lock/unlock
|
|
sl@0
|
490 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EAlternatePriority));
|
|
sl@0
|
491 |
TheLock.ReadLock();
|
|
sl@0
|
492 |
TheLock.Unlock();
|
|
sl@0
|
493 |
TheLock.Unlock();
|
|
sl@0
|
494 |
break;
|
|
sl@0
|
495 |
case 9: // Check lock held when unlocking after write lock/unlock
|
|
sl@0
|
496 |
TheLock.CreateLocal(RReadWriteLock::TReadWriteLockPriority(RReadWriteLock::EAlternatePriority));
|
|
sl@0
|
497 |
TheLock.WriteLock();
|
|
sl@0
|
498 |
TheLock.Unlock();
|
|
sl@0
|
499 |
TheLock.Unlock();
|
|
sl@0
|
500 |
break;
|
|
sl@0
|
501 |
default:
|
|
sl@0
|
502 |
return KErrNone;
|
|
sl@0
|
503 |
};
|
|
sl@0
|
504 |
|
|
sl@0
|
505 |
return KErrNotSupported;
|
|
sl@0
|
506 |
}
|
|
sl@0
|
507 |
|
|
sl@0
|
508 |
TBool CreatePanicThread(TInt aTest)
|
|
sl@0
|
509 |
{
|
|
sl@0
|
510 |
User::SetJustInTime(EFalse);
|
|
sl@0
|
511 |
TBool finished = EFalse;
|
|
sl@0
|
512 |
|
|
sl@0
|
513 |
RThread panicThread;
|
|
sl@0
|
514 |
TInt ret = panicThread.Create(KNullDesC, PanicEntryPoint, KDefaultStackSize, KMinHeapSize, KMinHeapSize, (TAny*)aTest, EOwnerThread);
|
|
sl@0
|
515 |
Test(ret == KErrNone, __LINE__);
|
|
sl@0
|
516 |
panicThread.Resume();
|
|
sl@0
|
517 |
|
|
sl@0
|
518 |
TRequestStatus stat;
|
|
sl@0
|
519 |
panicThread.Logon(stat);
|
|
sl@0
|
520 |
User::WaitForRequest(stat);
|
|
sl@0
|
521 |
User::SetJustInTime(ETrue);
|
|
sl@0
|
522 |
|
|
sl@0
|
523 |
if (panicThread.ExitType() == EExitPanic)
|
|
sl@0
|
524 |
{
|
|
sl@0
|
525 |
TInt panicValue = 0;
|
|
sl@0
|
526 |
switch (aTest)
|
|
sl@0
|
527 |
{
|
|
sl@0
|
528 |
case 0:
|
|
sl@0
|
529 |
case 1:
|
|
sl@0
|
530 |
panicValue = EReadWriteLockInvalidPriority;
|
|
sl@0
|
531 |
break;
|
|
sl@0
|
532 |
case 2:
|
|
sl@0
|
533 |
case 3:
|
|
sl@0
|
534 |
panicValue = EReadWriteLockStillPending;
|
|
sl@0
|
535 |
break;
|
|
sl@0
|
536 |
case 4:
|
|
sl@0
|
537 |
case 5:
|
|
sl@0
|
538 |
case 6:
|
|
sl@0
|
539 |
panicValue = EReadWriteLockTooManyClients;
|
|
sl@0
|
540 |
break;
|
|
sl@0
|
541 |
case 7:
|
|
sl@0
|
542 |
case 8:
|
|
sl@0
|
543 |
case 9:
|
|
sl@0
|
544 |
panicValue = EReadWriteLockBadLockState;
|
|
sl@0
|
545 |
break;
|
|
sl@0
|
546 |
default:
|
|
sl@0
|
547 |
Test(0, __LINE__);
|
|
sl@0
|
548 |
break;
|
|
sl@0
|
549 |
};
|
|
sl@0
|
550 |
|
|
sl@0
|
551 |
Test(stat == panicValue, __LINE__);
|
|
sl@0
|
552 |
Test(panicThread.ExitReason() == panicValue, __LINE__);
|
|
sl@0
|
553 |
}
|
|
sl@0
|
554 |
else
|
|
sl@0
|
555 |
{
|
|
sl@0
|
556 |
Test(stat == KErrNone, __LINE__);
|
|
sl@0
|
557 |
finished = ETrue;
|
|
sl@0
|
558 |
}
|
|
sl@0
|
559 |
|
|
sl@0
|
560 |
RTest::CloseHandleAndWaitForDestruction(panicThread);
|
|
sl@0
|
561 |
|
|
sl@0
|
562 |
switch (aTest)
|
|
sl@0
|
563 |
{
|
|
sl@0
|
564 |
case 2: // Check close while holding read lock
|
|
sl@0
|
565 |
case 3: // Check close while holding write lock
|
|
sl@0
|
566 |
TheLock.Unlock();
|
|
sl@0
|
567 |
TheLock.Close();
|
|
sl@0
|
568 |
break;
|
|
sl@0
|
569 |
case 4: // Check max readers
|
|
sl@0
|
570 |
{
|
|
sl@0
|
571 |
for (TInt count = 0; count < RReadWriteLock::EReadWriteLockClientCategoryLimit; count++)
|
|
sl@0
|
572 |
TheLock.Unlock();
|
|
sl@0
|
573 |
}
|
|
sl@0
|
574 |
TheLock.Close();
|
|
sl@0
|
575 |
break;
|
|
sl@0
|
576 |
case 5: // Check max pending readers
|
|
sl@0
|
577 |
case 6: // Check max pending writers
|
|
sl@0
|
578 |
{
|
|
sl@0
|
579 |
TUint16* hackLock = (TUint16*)&TheLock;
|
|
sl@0
|
580 |
hackLock[2] = 0; // Reset readers pending field
|
|
sl@0
|
581 |
hackLock[3] = 0; // Reset writers pending field
|
|
sl@0
|
582 |
}
|
|
sl@0
|
583 |
TheLock.Unlock();
|
|
sl@0
|
584 |
TheLock.Close();
|
|
sl@0
|
585 |
break;
|
|
sl@0
|
586 |
case 7: // Check lock held when unlocking
|
|
sl@0
|
587 |
case 8: // Check lock held when unlocking after read lock/unlock
|
|
sl@0
|
588 |
case 9: // Check lock held when unlocking after write lock/unlock
|
|
sl@0
|
589 |
TheLock.Close();
|
|
sl@0
|
590 |
break;
|
|
sl@0
|
591 |
default:
|
|
sl@0
|
592 |
break;
|
|
sl@0
|
593 |
};
|
|
sl@0
|
594 |
return finished;
|
|
sl@0
|
595 |
}
|
|
sl@0
|
596 |
|
|
sl@0
|
597 |
// Check that the various asserts guarding invalid conditions can be reached
|
|
sl@0
|
598 |
void TestPanics()
|
|
sl@0
|
599 |
{
|
|
sl@0
|
600 |
Test.Next(_L("Panics"));
|
|
sl@0
|
601 |
|
|
sl@0
|
602 |
for (TInt testIndex = 0; !CreatePanicThread(testIndex); testIndex++) ;
|
|
sl@0
|
603 |
}
|
|
sl@0
|
604 |
|
|
sl@0
|
605 |
TInt E32Main()
|
|
sl@0
|
606 |
{
|
|
sl@0
|
607 |
Test.Title();
|
|
sl@0
|
608 |
Test.Start(_L("RReadWriteLock Testing"));
|
|
sl@0
|
609 |
|
|
sl@0
|
610 |
TestCreation();
|
|
sl@0
|
611 |
TestWriterPriority();
|
|
sl@0
|
612 |
TestAlternatePriority();
|
|
sl@0
|
613 |
TestReaderPriority();
|
|
sl@0
|
614 |
TestTryLock();
|
|
sl@0
|
615 |
TestUpgrade();
|
|
sl@0
|
616 |
TestDowngrade();
|
|
sl@0
|
617 |
TestPanics();
|
|
sl@0
|
618 |
|
|
sl@0
|
619 |
Test.End();
|
|
sl@0
|
620 |
return KErrNone;
|
|
sl@0
|
621 |
}
|
|
sl@0
|
622 |
|
|
sl@0
|
623 |
|