--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines_old/contactsmodel/tsrc/T_ViewNotificationError.cpp	Tue Aug 31 15:05:21 2010 +0300
@@ -0,0 +1,267 @@
+// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+
+#include <e32test.h>
+#include <cntitem.h>
+#include <cntfldst.h>
+#include <cntviewbase.h>
+
+#include "CContactViewEventQueue.h"
+
+
+// Constants
+_LIT(KTestName, "T_ViewNotificationError");
+
+_LIT(KTestDbName, "c:T_ViewNotificationError.cdb");
+
+
+// Global RTest object
+LOCAL_D RTest test(KTestName);
+
+
+/**
+ * A helper class for holding the resources needed in the tests.
+ */
+class CTestResources :
+        public CBase, public MContactViewObserver
+    {
+    public:
+        static CTestResources* NewLC();
+        void ConstructL();
+        void CreateViewL();
+        void RemoveFirstContactL();
+        ~CTestResources();
+
+        CContactDatabase* iDb;
+        CContactViewEventQueue* iViewObserver1;
+        CContactViewEventQueue* iViewObserver2;
+        CContactViewEventQueue* iViewObserver3;
+        RContactViewSortOrder iViewSortOrder;
+        CContactLocalView* iAllContactsView;
+
+    private: // From MContactViewObserver.
+	    void HandleContactViewEvent
+            (const CContactViewBase& aView, const TContactViewEvent& aEvent);
+    };
+
+/**
+ * Creates new test resources object.
+ */
+CTestResources* CTestResources::NewLC()
+    {
+    CTestResources* self = new(ELeave) CTestResources;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+void CTestResources::ConstructL()
+    {
+    // Open test DB
+    iDb = CContactDatabase::OpenL(KTestDbName);
+    }
+
+void CTestResources::CreateViewL()
+    {
+    // Create the sort order
+    iViewSortOrder.AppendL(KUidContactFieldFamilyName);
+    iViewSortOrder.AppendL(KUidContactFieldGivenName);
+    iViewSortOrder.AppendL(KUidContactFieldCompanyName);
+
+    // Create a view, assign this class to it's observer
+    iAllContactsView = CContactLocalView::NewL
+        (*this, *iDb, iViewSortOrder, EContactsOnly);
+
+    // Create three additional view observers
+    iViewObserver1 = CContactViewEventQueue::NewL(iAllContactsView);
+    iViewObserver2 = CContactViewEventQueue::NewL(iAllContactsView);
+    iViewObserver3 = CContactViewEventQueue::NewL(iAllContactsView);
+	iViewObserver1->CloseOnItemRemoved();
+	iViewObserver2->CloseOnItemRemoved();
+	iViewObserver3->CloseOnItemRemoved();
+    }
+
+void CTestResources::RemoveFirstContactL()
+    {
+    iDb->DeleteContactL(1);
+    }
+
+void CTestResources::HandleContactViewEvent
+        (const CContactViewBase& /*aView*/, const TContactViewEvent& /*aEvent*/)
+    {
+    // Do nothing
+    }
+
+CTestResources::~CTestResources()
+    {
+    if (iAllContactsView) iAllContactsView->Close(*this);
+    iViewSortOrder.Close();
+    delete iViewObserver3;
+    delete iViewObserver2;
+    delete iViewObserver1;
+	User::After(1000000);
+    delete iDb;
+    }
+
+
+LOCAL_C TContactItemId CreateTestContactL
+        (CContactDatabase& aDb, const TDesC& aFamilyName)
+    {
+    // Create a contact card
+    CContactCard* card = CContactCard::NewLC();
+    // Create a name field
+    CContactItemField* field = CContactItemField::NewLC
+        (KStorageTypeText, KUidContactFieldFamilyName);
+    field->TextStorage()->SetTextL(aFamilyName);
+    card->AddFieldL(*field);
+    CleanupStack::Pop(field);
+    // Add the contact to the DB
+    const TContactItemId contactId = aDb.AddNewContactL(*card);
+    CleanupStack::PopAndDestroy(card);
+    return contactId;
+    }
+
+
+LOCAL_C CContactIdArray* PopulateTestDbLC(TInt aNumContacts)
+    {
+    CContactIdArray* ids = CContactIdArray::NewLC();
+    CContactDatabase* db = CContactDatabase::ReplaceL(KTestDbName);
+    CleanupStack::PushL(db);
+    TBuf<50> name;
+    _LIT(KNameFormat, "Test%d");
+    for (TInt i=1; i <= aNumContacts; ++i)
+        {
+        name.Format(KNameFormat,i);
+        const TContactItemId id = CreateTestContactL(*db,name);
+        ids->AddL(id);
+        }
+    CleanupStack::PopAndDestroy(db);
+    return ids;
+    }
+
+
+/**
+ * This test demonstrates how a contact view fails to notify its observers
+ * if some of the observers deregisters for receiving events. It does not
+ * only fail to do that, it also panics the application.
+ * There is a design error in CContactViewBase::NotifyObservers.
+ */
+
+LOCAL_C void TestViewNotificationL()
+    {
+    test.Next(_L("Test contact view notification"));
+
+
+    // Open the populated test DB
+    CTestResources* res = CTestResources::NewLC();
+
+    // Create a contact view and three additional
+    // observers (please see CTestResources::CreateViewL
+    // implementation for extra comments)
+    res->CreateViewL();
+
+    // Wait for the first observer to report the view is ready
+    TContactViewEvent event;
+    test(res->iViewObserver1->ListenForEvent(10,event));
+    test(event.iEventType == TContactViewEvent::EReady);
+
+    // ..then the second observer...
+    test(res->iViewObserver2->ListenForEvent(10,event));
+    test(event.iEventType == TContactViewEvent::EReady);
+
+    // ..and finally the last observer reports it's ready.
+    test(res->iViewObserver3->ListenForEvent(10,event));
+    test(event.iEventType == TContactViewEvent::EReady);
+
+    // Remove one contact from the db
+    res->RemoveFirstContactL();
+
+    // Wait for the first observer to receive the remove event...
+    test(res->iViewObserver1->ListenForEvent(10,event));
+/** 
+ *  After the above line Contact Model crashes to
+ *  USER 130 panic, EBadArrayIndex.
+ *
+ *  The reason is that the observer deregistered itself
+ *  from receiving contact view events when it got
+ *  EItemRemoved event. The for loop in
+ *  CContactViewBase::NotifyObservers can't handle that
+ *  situation.
+ */
+    test(event.iEventType == TContactViewEvent::EItemRemoved);
+
+    // Then second observer should receive the event
+    test(res->iViewObserver2->ListenForEvent(10,event));
+    test(event.iEventType == TContactViewEvent::EItemRemoved);
+
+    // And finally the third observer should receive the event
+    test(res->iViewObserver3->ListenForEvent(10,event));
+    test(event.iEventType == TContactViewEvent::EItemRemoved);
+    CleanupStack::PopAndDestroy(res);
+    }
+
+/**
+
+@SYMTestCaseID     PIM-T-VIEWNOTIFICATIONERROR-0001
+
+*/
+
+
+LOCAL_C void DoTestsL()
+    {
+    // Init
+    CleanupClosePushL(test);
+	test.Start(_L("@SYMTESTCaseID:PIM-T-VIEWNOTIFICATIONERROR-0001 T_ViewNotificationError"));
+
+
+    // Populate a test DB
+    const TInt KNumTestContacts = 100;
+    CContactIdArray* testContactIds = PopulateTestDbLC(KNumTestContacts);
+
+    // Execute the tests
+    TestViewNotificationL();
+
+    // Cleanup
+    CleanupStack::PopAndDestroy(testContactIds);
+    test.End();
+    CleanupStack::PopAndDestroy();  // test.Close()
+    }
+
+GLDEF_C TInt E32Main()
+	{
+    // Init
+    __UHEAP_MARK;
+    CTrapCleanup* cleanupStack = CTrapCleanup::New();
+    if (!cleanupStack)
+        {
+        return KErrNoMemory;
+        }
+
+    CActiveScheduler* activeScheduler = new CActiveScheduler;
+    if (!activeScheduler)
+        {
+        return KErrNoMemory;
+        }
+    CActiveScheduler::Install(activeScheduler);
+
+    // Run the tests
+    TRAPD(err, DoTestsL());
+
+    // Cleanup
+    delete activeScheduler;
+    delete cleanupStack;
+    __UHEAP_MARKEND;
+	return err;
+    }