kerneltest/e32test/cppexceptions/d_unmap.cpp
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/cppexceptions/d_unmap.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,127 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32test\cppexceptions\d_unmap.cpp
+// 
+//
+
+#include <e32std.h>
+#include <e32std_private.h>
+#include <e32base.h>
+#include <e32base_private.h>
+#include "d_unmap.h"
+
+class TAlwaysTrue
+	{
+public:
+	TBool val;
+	TAlwaysTrue() { val = ETrue; }
+	~TAlwaysTrue() { val = EFalse; }
+	};
+
+#ifndef NO_STATIC_DATA
+static TAlwaysTrue alwaysTrue;
+#endif
+
+// Test C++ stack unwinding
+class TNeedsCxxCleanup
+	{
+public:
+	TNeedsCxxCleanup() : iPtr(NULL) {}
+	~TNeedsCxxCleanup() { delete iPtr; }
+private:
+	TInt* iPtr;
+	};
+
+void AnotherStackLevelL()
+	{
+	TNeedsCxxCleanup foo;
+	User::Leave(KErrGeneral);
+	}
+
+EXPORT_C void Ordinal1L()
+	{
+	TNeedsCxxCleanup bar;
+	AnotherStackLevelL();
+	}
+
+// Test DLL unloading
+NONSHARABLE_CLASS( CDllUnloader ) : public CTimer
+	{
+public:
+	static CDllUnloader* NewL();
+
+private:
+	CDllUnloader();
+	void ConstructL();
+
+private:
+	void RunL();
+
+private:
+	RLibrary iLibrary;
+	};
+
+
+CDllUnloader::CDllUnloader()
+	: CTimer(EPriorityNormal)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CDllUnloader::ConstructL()
+	{
+	CTimer::ConstructL();
+	User::LeaveIfError(iLibrary.Load(KLeavingDll));
+	}
+
+CDllUnloader* CDllUnloader::NewL()
+	{
+	CDllUnloader* self = new(ELeave) CDllUnloader();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+void CDllUnloader::RunL()
+	{
+	// Temporary copy of handle
+	RLibrary library(iLibrary);
+
+	// Prevent the AS calling back into us later
+	// - everything is poison now
+	delete this;
+
+	// Push the library handle onto the cleanupstack for euser to clean up
+	CleanupClosePushL(library);
+
+	// Prevent [Run]Error() from being called...
+	// - effect thread diversion out of the DLL
+	// - and breath a sigh of relief that you've been so cunning
+	User::Leave(KErrNone);
+	}
+
+EXPORT_C TBool Ordinal2()
+	{
+	/*
+	CDllUnloader* unloader = CDllUnloader::NewL();
+	unloader->After(1000000);
+	*/
+#ifdef NO_STATIC_DATA
+	return EFalse;
+#else
+	return alwaysTrue.val;
+#endif
+	}
+