--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/searcher/tsrc/cpixsearchertest/src/cpixboostertester.cpp	Mon Apr 19 14:40:16 2010 +0300
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2010 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 "cpixboostertester.h"
+#include "ccpixsearcher.h"
+#include "CSearchDocument.h"
+#include "CCPixIndexer.h"
+#include "indevicecfg.h"
+
+_LIT( KTestBaseAppClass, "test" );
+_LIT( KTestQualifiedBaseAppClass, "@c:test" );
+_LIT( KContentFieldName, "content" ); 
+
+void CTestBoost::setUp()
+    {
+    User::LeaveIfError(iSession.Connect());
+    iSession.DefineVolume(KTestQualifiedBaseAppClass, KTestBaseAppClass );
+
+    iIndexer = CCPixIndexer::NewL(iSession);
+    iIndexer->OpenDatabaseL(KTestQualifiedBaseAppClass);
+
+    iSearcher = CCPixSearcher::NewL(iSession, _L( "" CONTENTS_FIELD ) );
+    iSearcher->OpenDatabaseL(KTestBaseAppClass);
+    }
+
+void CTestBoost::tearDown()
+    {
+    delete iIndexer;
+    delete iSearcher;
+    iSession.Close();
+    }
+
+void CTestBoost::testNoBoost()
+    {
+    // 
+    // This is the 'control' test. It is used to assert that 
+    // without tinkering with boosts, the engine would return 
+    // the result with most 'hits' 
+    //
+    iIndexer->ResetL(); 
+
+    AddDocumentL( 0, _L( "hit hit hit" ), 1.0f );  // first result
+    AddDocumentL( 1, _L( "hit hit miss" ), 1.0f ); // second result
+    AddDocumentL( 2, _L( "hit miss miss" ), 1.0f );// last result
+
+    if( iSearcher->SearchL( _L( "hit" ), KContentFieldName ) != 3 )
+        User::Leave( KErrNotFound );
+    
+    AssertHitDocumentL( 0, 0 );  // id 1 is first hit
+    AssertHitDocumentL( 1, 1 );  // id 2 is second hit
+    AssertHitDocumentL( 2, 2 );  // id 3 is third hit
+    }
+
+
+void CTestBoost::testBoost() 
+    {
+    //
+    // This is the actual boost test. It is used to show that 
+    // changing boost value actually affects the rank. The 'normal'
+    // document order is reversed with heavy boost usage. 
+    //
+    iIndexer->ResetL(); 
+    
+    AddDocumentL( 0, _L( "hit hit hit" ), 1.0f );    // last result
+    AddDocumentL( 1, _L( "hit hit miss" ), 10.0f );  // second result
+    AddDocumentL( 2, _L( "hit miss miss" ), 100.0f );// first result
+    
+    if( iSearcher->SearchL( _L( "hit" ), KContentFieldName ) != 3 )
+        User::Leave( KErrNotFound );
+    
+    AssertHitDocumentL( 0, 2 ); // id 1 is third hit
+    AssertHitDocumentL( 1, 1 ); // id 2 is second hit
+    AssertHitDocumentL( 2, 0 ); // id 3 is first hit
+    }
+
+void CTestBoost::testFieldBoost() 
+    {
+    //
+    // This is the actual boost test. It is used to show that 
+    // changing boost value actually affects the rank. The 'normal'
+    // document order is reversed with heavy boost usage. 
+    //
+    iIndexer->ResetL(); 
+    
+    AddDocumentWithFieldBoostL( 0, _L( "hit hit hit" ), 1.0f );      // last result
+    AddDocumentWithFieldBoostL( 1, _L( "hit hit miss" ), 10.0f );  // second result
+    AddDocumentWithFieldBoostL( 2, _L( "hit miss miss" ), 100.0f );// first result
+    
+    if( iSearcher->SearchL( _L( "hit" ), KContentFieldName ) != 3 )
+        User::Leave( KErrNotFound );
+    
+    AssertHitDocumentL( 0, 2 ); // id 1 is third hit
+    AssertHitDocumentL( 1, 1 ); // id 2 is second hit
+    AssertHitDocumentL( 2, 0 ); // id 3 is first hit
+    }
+
+void CTestBoost::AssertHitDocumentL( TInt aIndex, TInt aId )
+    {
+    TBuf<32> buf;
+    TInt err = KErrNone;
+    buf.AppendNum( aId );
+    CSearchDocument* doc = iSearcher->GetDocumentL( aIndex ); 
+    CleanupStack::PushL( doc ); 
+    if( doc->Id().Compare( buf ) )
+        err = KErrNotFound;
+    CleanupStack::PopAndDestroy( doc );
+    User::LeaveIfError( err );
+    }
+
+void CTestBoost::AddDocumentL( TInt aId, const TDesC& aContent, TReal aBoost ) 
+    {
+    TBuf<32> buf; 
+    buf.AppendNum( aId );
+    
+    CSearchDocument* doc = CSearchDocument::NewLC( buf, KTestBaseAppClass, aContent ); 
+    
+    doc->SetBoost( aBoost ); 
+    doc->AddFieldL( KContentFieldName, aContent, CDocumentField::EStoreNo | CDocumentField::EIndexTokenized | CDocumentField::EAggregateYes );
+    
+    iIndexer->AddL( *doc ); 
+    iIndexer->FlushL();
+    
+    CleanupStack::PopAndDestroy( doc ); 
+    }
+
+void CTestBoost::AddDocumentWithFieldBoostL( TInt aId, const TDesC& aContent, TReal aBoost ) 
+    {
+    TBuf<32> buf; 
+    buf.AppendNum( aId );
+    
+    CSearchDocument* doc = CSearchDocument::NewLC( buf, KTestBaseAppClass, aContent ); 
+    
+    doc->AddFieldL( KContentFieldName, 
+                    aContent, 
+                    CDocumentField::EStoreNo | CDocumentField::EIndexTokenized | CDocumentField::EAggregateYes )
+        .SetBoost( aBoost ); // Boost field instead of document
+    
+    iIndexer->AddL( *doc );
+    iIndexer->FlushL();
+    
+    CleanupStack::PopAndDestroy( doc ); 
+    }