photosgallery/slideshow/engine/tsrc/t_cshwzoomandpaneffect/t_cshwzoomandpaneffect.cpp
branchRCL_3
changeset 75 01504893d9cb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/tsrc/t_cshwzoomandpaneffect/t_cshwzoomandpaneffect.cpp	Wed Oct 13 14:32:09 2010 +0300
@@ -0,0 +1,1069 @@
+/*
+* Copyright (c) 2007-2007 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:   Test for zoom and pan effect in slideshow
+ *
+*/
+
+
+
+//  CLASS HEADER
+#include "t_cshwzoomandpaneffect.h"
+
+//  EXTERNAL INCLUDES
+#include <digia/eunit/eunitmacros.h>
+#include <digia/eunit/eunitdecorators.h>
+#include <digia/eunit/teunitfillmem.h>
+#include <e32math.h>
+
+#include <uiacceltk/huienv.h>
+#include <uiacceltk/huidisplaycoecontrol.h>
+#include <uiacceltk/huicurvepath.h>
+#include <uiacceltk/huirealpoint.h>
+#include <uiacceltk/huicontrol.h>
+#include <uiacceltk/huiimagevisual.h>
+
+//  INTERNAL INCLUDES
+#include "shwzoomandpaneffect.h"
+#include "shwzoomandpanlayout.h"
+#include "shwcrossfadelayout.h"
+#include "shwcurvefactory.h"
+#include "shwconstants.h"
+#include "shwautoptr.h"
+#include "shwcallback.h"
+#include "shwslideshowenginepanic.h"
+#include "shwgeometryutilities.h"
+
+using namespace NShwSlideshow;
+
+// -----------------------------------------------------------------------------
+// Stub for NShwEngine::Panic -->
+// -----------------------------------------------------------------------------
+TBool gNShwEnginePanicCalled = EFalse;
+namespace NShwEngine
+	{
+	extern void Panic( TShwEnginePanic aPanic )
+	    {
+	    gNShwEnginePanicCalled = ETrue;
+	    // in test situation just do a leave
+	    User::Leave( aPanic );
+	    }
+	}
+// -----------------------------------------------------------------------------
+// <-- Stub for NShwEngine::Panic
+// -----------------------------------------------------------------------------
+
+//	LOCAL HELPERs
+namespace
+	{
+	/**
+	 * @param aSource the TReal32 to round
+	 * @return a rounded TInt
+	 */
+	inline TInt TReal2TInt( TReal32 aSource )
+		{
+		if( aSource < 0 )
+			{
+			// just subst 0.5 and cast, -0.4 becomes -0.9 and typecast
+			// truncates it to 0, -0.6 becomes -1.1 and its truncated to -1
+			return TInt( aSource - TReal32( 0.5 ) );
+			}
+		else
+			{
+			// just add 0.5 and cast, 0.4 becomes 0.9 and typecast
+			// truncates it to 0, 0.6 becomes 1.1 and its truncated to 1
+			return TInt( aSource + TReal32( 0.5 ) );
+			}
+		}
+	}
+
+class CTestControl : public CHuiControl
+	{
+	public:
+		static CTestControl* NewL( CHuiEnv& aEnv )
+			{
+			return new (ELeave) CTestControl( aEnv );
+			}
+		CTestControl( CHuiEnv& aEnv )
+	        : CHuiControl( aEnv )
+	    	{
+	    	}	
+	};
+
+// CONSTRUCTION
+T_CShwZoomAndPanEffect* T_CShwZoomAndPanEffect::NewL()
+    {
+    T_CShwZoomAndPanEffect* self = T_CShwZoomAndPanEffect::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+T_CShwZoomAndPanEffect* T_CShwZoomAndPanEffect::NewLC()
+    {
+    T_CShwZoomAndPanEffect* self = new( ELeave ) T_CShwZoomAndPanEffect();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// Destructor (virtual by CBase)
+T_CShwZoomAndPanEffect::~T_CShwZoomAndPanEffect()
+    {
+    }
+
+// Default constructor
+T_CShwZoomAndPanEffect::T_CShwZoomAndPanEffect()
+    {
+    }
+
+// Second phase construct
+void T_CShwZoomAndPanEffect::ConstructL()
+    {
+    // The ConstructL from the base class CEUnitTestSuiteClass must be called.
+    // It generates the test case table.
+    CEUnitTestSuiteClass::ConstructL();
+    }
+
+//  METHODS
+// global constant for screensize
+const TInt gScreenWidth = 100;
+const TInt gScreenHeight = 100;
+const TRect gScreenRect( 0, 0, gScreenWidth, gScreenHeight );
+void T_CShwZoomAndPanEffect::Empty()
+	{
+	}
+
+void T_CShwZoomAndPanEffect::SetupL()
+	{
+	// create env
+	iEnv = CHuiEnv::NewL();
+
+	// create Display
+    iCoeDisplay = CHuiDisplayCoeControl::NewL( *iEnv, gScreenRect );
+
+	// create control
+	iControl = CTestControl::NewL( *iEnv );
+	
+	// create the visual, ownership goes to iControl
+	iVisual = CHuiImageVisual::AddNewL( *iControl );
+
+	// create class under test
+	CShwZoomAndPanEffect* tmp = CShwZoomAndPanEffect::NewLC();
+    // take ownership
+    iCShwZoomAndPanEffect = tmp;
+	// remove the pointer from cleanup stack
+	CleanupStack::Pop( tmp );
+	}
+
+void T_CShwZoomAndPanEffect::Teardown()
+	{
+	// delete class under test
+	delete iCShwZoomAndPanEffect; 
+	iCShwZoomAndPanEffect = NULL; 
+
+	// delete control, it also deletes the visual
+	delete iControl;
+	iControl = NULL;
+
+	// delete display
+	delete iCoeDisplay;
+	iCoeDisplay = NULL;
+
+	// delete environment
+	delete iEnv;
+	iEnv = NULL;
+	}
+
+void T_CShwZoomAndPanEffect::T_TestGeometryAlgorithmsL()
+    {
+    // use the namespace for coord utilities
+    using namespace NShwGeometryUtilities;
+    
+    // test     FitDimension
+        // fit width with same values
+        {
+        TInt width = 10;
+        TInt height = 10;
+        FitDimension( width, height, 10 );
+        EUNIT_ASSERT_EQUALS_DESC( 10, width, "width is same" );
+        EUNIT_ASSERT_EQUALS_DESC( 10, height, "height is same" );
+        }
+        // fit width with width greater
+        {
+        TInt width = 20;
+        TInt height = 10;
+        FitDimension( width, height, 10 );
+        EUNIT_ASSERT_EQUALS_DESC( 20, width, "width is same" );
+        EUNIT_ASSERT_EQUALS_DESC( 10, height, "height is same" );
+        }
+        // fit width with new height greater
+        {
+        TInt width = 20;
+        TInt height = 10;
+        FitDimension( width, height, 20 );
+        EUNIT_ASSERT_EQUALS_DESC( 40, width, "width increased" );
+        EUNIT_ASSERT_EQUALS_DESC( 20, height, "height increased" );
+        }
+        // fit width with new height smaller
+        {
+        TInt width = 22;
+        TInt height = 11;
+        FitDimension( width, height, 5 );
+        EUNIT_ASSERT_EQUALS_DESC( 10, width, "width decreased" );
+        EUNIT_ASSERT_EQUALS_DESC( 5, height, "height decreased" );
+        }
+
+        // fit height with same values
+        {
+        TInt width = 99;
+        TInt height = 88;
+        FitDimension( height, width, 99 );
+        EUNIT_ASSERT_EQUALS_DESC( 99, width, "width is same" );
+        EUNIT_ASSERT_EQUALS_DESC( 88, height, "height is same" );
+        }
+        // fit height with width greater
+        {
+        TInt width = 22;
+        TInt height = 11;
+        FitDimension( height, width, 22 );
+        EUNIT_ASSERT_EQUALS_DESC( 22, width, "width is same" );
+        EUNIT_ASSERT_EQUALS_DESC( 11, height, "height is same" );
+        }
+        // fit height with new width greater
+        {
+        TInt width = 22;
+        TInt height = 11;
+        FitDimension( height, width, 33 );
+        EUNIT_ASSERT_EQUALS_DESC( 33, width, "width increased" );
+        EUNIT_ASSERT_EQUALS_DESC( 16, height, "height increased" );
+        }
+        // fit height with new width smaller
+        {
+        TInt width = 99;
+        TInt height = 88;
+        FitDimension( height, width, 88 );
+        EUNIT_ASSERT_EQUALS_DESC( 88, width, "width increased" );
+        EUNIT_ASSERT_EQUALS_DESC( 78, height, "height increased" );
+        }
+
+    // test     FitInsideBox
+        // fit with same width and height
+        {
+        TInt width = 99;
+        TInt height = 99;
+        FitInsideBox( width, height, 99, 99 );
+        EUNIT_ASSERT_EQUALS_DESC( 99, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 99, height, "height is same as box" );
+        }
+        // fit with smaller width and height
+        {
+        TInt width = 99;
+        TInt height = 99;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 99, width, "width did not change" );
+        EUNIT_ASSERT_EQUALS_DESC( 99, height, "height did not change" );
+        }
+        // fit with greater width and height
+        {
+        TInt width = 111;
+        TInt height = 111;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with greater and width closer to box
+        {
+        TInt width = 150;
+        TInt height = 200;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 75, width, "width is smaller" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with greater and height closer to box
+        {
+        TInt width = 150;
+        TInt height = 100;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 66, height, "height is smaller" );
+        }
+        // fit with smaller and width closer to box
+        {
+        TInt width = 75;
+        TInt height = 40;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 75, width, "width did not change" );
+        EUNIT_ASSERT_EQUALS_DESC( 40, height, "height did not change" );
+        }
+        // fit with smaller and height closer to box
+        {
+        TInt width = 60;
+        TInt height = 90;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 60, width, "width did not change" );
+        EUNIT_ASSERT_EQUALS_DESC( 90, height, "height did not change" );
+        }
+        // fit with width greater and height smaller to box
+        {
+        TInt width = 110;
+        TInt height = 90;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 81, height, "height is smaller" );
+        }
+        // fit with height greater and width smaller to box
+        {
+        TInt width = 90;
+        TInt height = 120;
+        FitInsideBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 90*100/120, width, "width is smaller" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+
+    // test     FitToCoverBox
+        // fit with same width and height
+        {
+        TInt width = 99;
+        TInt height = 99;
+        FitToCoverBox( width, height, 99, 99 );
+        EUNIT_ASSERT_EQUALS_DESC( 99, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 99, height, "height is same as box" );
+        }
+        // fit with smaller width and height
+        {
+        TInt width = 99;
+        TInt height = 99;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with greater width and height
+        {
+        TInt width = 111;
+        TInt height = 111;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with greater and width closer to box
+        {
+        TInt width = 150;
+        TInt height = 200;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 133, height, "height is greater" );
+        }
+        // fit with greater and height closer to box
+        {
+        TInt width = 150;
+        TInt height = 100;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 150, width, "width is greater than box" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with greater and height closer to box
+        {
+        TInt width = 300;
+        TInt height = 200;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 150, width, "width is greater than box" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with smaller and width closer to box
+        {
+        TInt width = 75;
+        TInt height = 40;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 187, width, "width is greater" );
+        EUNIT_ASSERT_EQUALS_DESC( 100, height, "height is same as box" );
+        }
+        // fit with smaller and height closer to box
+        {
+        TInt width = 60;
+        TInt height = 90;
+        FitToCoverBox( width, height, 100, 100 );
+        EUNIT_ASSERT_EQUALS_DESC( 100, width, "width is same as box" );
+        EUNIT_ASSERT_EQUALS_DESC( 150, height, "height is greater" );
+        }
+    }
+
+void T_CShwZoomAndPanEffect::T_LayoutTestL()
+	{
+// test zoom and pan
+	// create the layout
+	TEUnitFillMem< TShwZoomAndPanLayout > layout;
+
+	// check that layout has correct init values
+	// need to upcast to get access to public functions
+	MGlxLayout& base = static_cast< MGlxLayout& >( layout );
+	TGlxLayoutInfoResetter info;
+	info.iPosition.iX = -1;
+	info.iPosition.iY = -1;
+	info.iSize.iX = -1;
+	info.iSize.iY = -1;
+
+	base.SetLayoutValues( info );
+	// verify that the position was not set
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iX,"x position not changed" );
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iY,"y position not changed" );
+	// check size
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		-1, (TInt)info.iSize.iX,"x size changed" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		-1, (TInt)info.iSize.iY,"y size changed" );
+
+	// set custom screen size and image size; image smaller than screen
+	layout.SetSizes( TSize( 99, 88 ), TSize( 44, 55 ), TSize( 500, 500 ) );
+	// redo layout
+	base.SetLayoutValues( info );
+	// verify that the position was not set
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iX,"x position not changed" );
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iY,"y position not changed" );
+	// check size
+	EUNIT_ASSERT_EQUALS_DESC( 99, TReal2TInt( info.iSize.iX ),"x size changed" );
+	EUNIT_ASSERT_EQUALS_DESC( 124, TReal2TInt( info.iSize.iY ),"y size changed" );
+
+	// set custom screen size and image size; image larger than screen
+	layout.SetSizes( TSize( 99, 88 ), TSize( 144, 155 ), TSize( 500, 500 ) );
+	// redo layout
+	base.SetLayoutValues( info );
+	// verify that the position was not set
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iX,"x position not changed" );
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iY,"y position not changed" );
+	// check size
+	EUNIT_ASSERT_EQUALS_DESC( 99, TReal2TInt( info.iSize.iX ),"x size changed" );
+	EUNIT_ASSERT_EQUALS_DESC( 107, TReal2TInt( info.iSize.iY ),"y size changed" );
+
+	// set custom screen size and image size; image partially larger than screen
+	layout.SetSizes( TSize( 99, 88 ), TSize( 100, 15 ), TSize( 500, 500 ) );
+	// redo layout
+	base.SetLayoutValues( info );
+	// verify that the position was not set
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iX,"x position not changed" );
+	EUNIT_ASSERT_EQUALS_DESC( -1, (TInt)info.iPosition.iY,"y position not changed" );
+	// check size
+	EUNIT_ASSERT_EQUALS_DESC( 587, TReal2TInt( info.iSize.iX ),"x size changed" );
+	EUNIT_ASSERT_EQUALS_DESC( 88, TReal2TInt( info.iSize.iY ),"y size changed" );
+
+	// set big enough image so that it zooms
+	layout.SetSizes( TSize( 100, 100 ), TSize( 200, 150 ), TSize( 500, 500 ) );
+	layout.StartZoom( TShwZoomAndPanLayout::EZoomIn, 0 );
+	// redo layout
+	base.SetLayoutValues( info );
+	// check that layout is changed
+	EUNIT_ASSERT_DESC( layout.Changed(), "layout is changed" );
+	// clear changeflag
+	layout.ClearChanged();
+	EUNIT_ASSERT_DESC( !layout.Changed(), "layout is not changed" );
+
+// test crossfade
+	// create the crossfade layout
+	TEUnitFillMem< TShwCrossFadeLayout > cflayout;
+	// get base class pointer
+	MGlxLayout& base2 = static_cast< MGlxLayout& >( cflayout );
+    // reset info opacity
+	info.iOpacity = -1;
+    // run the layout
+	base2.SetLayoutValues( info );
+	// verify that opacity was set to minimum
+	EUNIT_ASSERT_EQUALS_DESC(
+	    TInt( KMinOpacity ), TReal2TInt( info.iOpacity ),"opacity is minimum" );
+	// check that layout is not changed
+	EUNIT_ASSERT_DESC( !cflayout.Changed(), "layout is not changed" );
+    // set new value
+    cflayout.Set( 2.0, 0 );
+    // reset info opacity
+	info.iOpacity = -1;
+    // run the layout
+	base2.SetLayoutValues( info );
+	// check that layout is changed
+	EUNIT_ASSERT_DESC( cflayout.Changed(), "layout is changed" );
+	// verify that opacity was set to maximum
+	EUNIT_ASSERT_EQUALS_DESC( 
+	    TInt( KMaxOpacity ), TReal2TInt( info.iOpacity ),"opacity is maximum" );
+	// clear change flag
+	cflayout.ClearChanged();
+	EUNIT_ASSERT_DESC( !cflayout.Changed(), "layout is not changed" );
+	}
+
+void T_CShwZoomAndPanEffect::T_CurveTestL()
+	{
+	// create env, no need to delete or cleanupstack
+	TShwAutoPtr< CHuiEnv > env = CHuiEnv::NewL();
+
+	// create curve path with 200 length
+	TShwAutoPtr< CHuiCurvePath > ellipsis = 
+		NShwCurveFactory::CreateEllipsisL( TSize( 100, 200 ), 200 );
+
+	// the ellipsis is clockwise around the box
+	// check ellipsis values, point 0
+	TReal32 x_value = ellipsis->MapValue( 0, 0 );
+	TReal32 y_value = ellipsis->MapValue( 0, 1 );
+	EUNIT_ASSERT_EQUALS_DESC( 50, TReal2TInt( x_value ), "x coordinate");
+	EUNIT_ASSERT_EQUALS_DESC( 0, TReal2TInt( y_value ), "y coordinate");
+
+	// point 50
+	x_value = ellipsis->MapValue( 50, 0 );
+	y_value = ellipsis->MapValue( 50, 1 );
+	EUNIT_ASSERT_EQUALS_DESC( 0, TReal2TInt( x_value ), "x coordinate");
+	EUNIT_ASSERT_EQUALS_DESC( 100, TReal2TInt( y_value ), "y coordinate");
+	
+	// point 100
+	x_value = ellipsis->MapValue( 100, 0 );
+	y_value = ellipsis->MapValue( 100, 1 );
+	EUNIT_ASSERT_EQUALS_DESC( -50, TReal2TInt( x_value ), "x coordinate");
+	EUNIT_ASSERT_EQUALS_DESC( 0, TReal2TInt( y_value ), "y coordinate");
+
+	// point 150
+	x_value = ellipsis->MapValue( 150, 0 );
+	y_value = ellipsis->MapValue( 150, 1 );
+	EUNIT_ASSERT_EQUALS_DESC( 0, TReal2TInt( x_value ), "x coordinate");
+	EUNIT_ASSERT_EQUALS_DESC( -100, TReal2TInt( y_value ), "y coordinate");
+
+	// point 200
+	x_value = ellipsis->MapValue( 200, 0 );
+	y_value = ellipsis->MapValue( 200, 1 );
+	EUNIT_ASSERT_EQUALS_DESC( 50, TReal2TInt( x_value ), "x coordinate");
+	EUNIT_ASSERT_EQUALS_DESC( 0, TReal2TInt( y_value ), "y coordinate");
+	}
+
+void T_CShwZoomAndPanEffect::T_ZoomAndPanTestL()
+	{
+	// create env, no need to delete or cleanupstack
+	TShwAutoPtr< CHuiEnv > env = CHuiEnv::NewL();
+
+	// size of screen
+	const TInt screenX = 320;
+	const TInt screenY = 200;
+	TSize screen( screenX, screenY );
+	// size of image, smaller than screen x KMaxZoomAndPanFactor
+	// but larger than screen
+	const TInt originalImageX = ( screenX + screenX * KMaxZoomAndPanFactor ) / 2;
+	const TInt originalImageY = ( screenY + screenY * KMaxZoomAndPanFactor ) / 2;
+	TSize image( originalImageX, originalImageY );
+	// create curve path with 100 length
+	TShwAutoPtr< CHuiCurvePath > ellipsis = 
+		NShwCurveFactory::CreateEllipsisL( screen, 100 );
+
+	// create the layout
+	TEUnitFillMem< TShwZoomAndPanLayout > layout;
+	// set screen and image size and maximum size
+	layout.SetSizes( screen, image, 
+	    TSize( screenX * KMaxZoomAndPanFactor, screenY * KMaxZoomAndPanFactor ) );
+	// set the panning curve
+	layout.SetPanningCurve( &ellipsis );
+
+	// check that layout has correct init values
+	// need to upcast to get access to public functions
+	MGlxLayout& base = static_cast< MGlxLayout& >( layout );
+	TGlxLayoutInfoResetter info;
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	// run the layout
+	base.SetLayoutValues( info );
+	// verify that the position was set properly, the initial size is minimum
+	// so pan gets scaled to 0
+	TInt initialXonCurve = 160;
+	TInt initialYonCurve = 0;
+	EUNIT_ASSERT_EQUALS_DESC(
+		0, TReal2TInt( info.iPosition.iX ),"x position set" );
+	EUNIT_ASSERT_EQUALS_DESC(
+		0, TReal2TInt( info.iPosition.iY ),"y position set" );
+	// verify size
+	EUNIT_ASSERT_EQUALS_DESC( 
+		screenX, TReal2TInt( info.iSize.iX ),"default x size is screen size" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		screenY, TReal2TInt( info.iSize.iY ),"default y size is screen size" );
+
+	// do zoom in in 1 second
+	layout.StartZoom( TShwZoomAndPanLayout::EZoomIn, 1 );
+
+	// create timer to give us callback
+	TShwAutoPtr< CPeriodic > timer = CPeriodic::NewL( CActive::EPriorityStandard );
+	// wait for 1.5 seconds (to be sure the zoom completes)
+    timer->Start(1.5 * 1000000, 1.5 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	// run the layout
+	base.SetLayoutValues( info );
+	// verify that the position was set; zoom in does one half of the curve
+	EUNIT_ASSERT_EQUALS_DESC( 
+		-initialXonCurve, TReal2TInt( info.iPosition.iX ),"x position looped on the opposite side" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		initialYonCurve, TReal2TInt( info.iPosition.iY ),"y position looped back" );
+	// verify size, after zoom in we are in 4x screen size
+	EUNIT_ASSERT_GREATER_DESC( 
+		TReal2TInt( info.iSize.iX ), originalImageX,"x size is greater than original size" );
+	EUNIT_ASSERT_GREATER_DESC( 
+		TReal2TInt( info.iSize.iY ), originalImageY,"y size is greater than original size" );
+
+	// perform zoom out in one second
+	layout.StartZoom( TShwZoomAndPanLayout::EZoomOut, 1 );
+	// cancel old timer
+	timer->Cancel();
+	// wait for 1.5 seconds (to be sure the zoom completes)
+    timer->Start(1.5 * 1000000, 1.5 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	// run the layout
+	base.SetLayoutValues( info );
+	// verify that the position was set to zero again as in minimum size the pan is 0
+	EUNIT_ASSERT_EQUALS_DESC( 
+		0, TReal2TInt( info.iPosition.iX ), "x position looped " );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		0, TReal2TInt( info.iPosition.iY ), "y position looped back" );
+	// verify size, after zoom in we are in 100% size
+	EUNIT_ASSERT_EQUALS_DESC( 
+		screenX, TReal2TInt( info.iSize.iX ),"x size is back to minimum" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		screenY, TReal2TInt( info.iSize.iY ),"y size is back to minimum" );
+	}
+
+void T_CShwZoomAndPanEffect::T_PauseTestL()
+	{
+	// display size is define by gScreenRect
+	// give the HUI env to the effect and the size
+	TSize screenSize = gScreenRect.Size();
+	iCShwZoomAndPanEffect->InitializeL( 
+	    iEnv,
+	    NULL,
+	    NULL,
+	    screenSize );
+
+	// prepare view with a max size image
+	TSize imageSize( screenSize.iWidth * KMaxThumbnailSize, screenSize.iHeight * KMaxThumbnailSize );
+	TSize thumbSize = iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+	// check thumbnail size
+	EUNIT_ASSERT_EQUALS_DESC( 
+		imageSize.iHeight, thumbSize.iHeight, "thumbnail is image size" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		imageSize.iWidth, thumbSize.iWidth, "thumbnail is image size" );
+
+	// then enter view, fade in should last 250 millliseconds and view 500
+	// get the layout chain
+	MGlxLayout* layout = 
+		iCShwZoomAndPanEffect->EnterViewL( iVisual, 500, 250 );
+	// get the initial layout values
+	TGlxLayoutInfoResetter info;
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+	
+	// next pause the effect
+	iCShwZoomAndPanEffect->PauseL();
+	// create timer to give us callback
+	TShwAutoPtr< CPeriodic > timer = CPeriodic::NewL( CActive::EPriorityStandard );
+	// start asynch wait for 1.5 second
+    timer->Start(1.5 * 1000000, 1.5 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+	// cancel the timer
+	timer->Cancel();
+
+	// now verify that the layout chain is in same situation
+	// get new layout values
+	TGlxLayoutInfoResetter info2;
+	// reset info2
+	info2.iPosition.iX = -1;info2.iPosition.iY = -1;
+	info2.iSize.iX = -1; info2.iSize.iY = -1;
+	info2.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info2 );
+	// check that no changes
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info.iOpacity ), TReal2TInt( info2.iOpacity ), "opacity" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info.iPosition.iX ), TReal2TInt( info2.iPosition.iX ), "position x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info.iPosition.iY ), TReal2TInt( info2.iPosition.iY ), "position y" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info.iSize.iX ), TReal2TInt( info2.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info.iSize.iY ), TReal2TInt( info2.iSize.iY ), "size y" );
+
+	// resume the effect
+	iCShwZoomAndPanEffect->Resume();
+	
+	// start timer for 1.5 seconds
+    timer->Start(1.5 * 1000000, 1.5 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+	// cancel the timer
+	timer->Cancel();
+
+	// now verify that the layout chain did change
+	// reset info2
+	info2.iPosition.iX = -1;info2.iPosition.iY = -1;
+	info2.iSize.iX = -1; info2.iSize.iY = -1;
+	info2.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info2 );
+    // check that values did not change
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iOpacity ), TReal2TInt( info2.iOpacity ), "opacity" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iSize.iX ), TReal2TInt( info2.iSize.iX ), "size x" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iSize.iY ), TReal2TInt( info2.iSize.iY ), "size y" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iPosition.iX ), TReal2TInt( info2.iPosition.iX ), "position x" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iPosition.iY ), TReal2TInt( info2.iPosition.iY ), "position y" );
+
+	// enter view again, fade in should last 250 millliseconds and view 500
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 500, 250 );
+	// get the initial layout values
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+	// start timer for .1 seconds, to make sure opacity does not run too fast
+    timer->Start(0.1 * 1000000, 0.1 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+	// cancel the timer
+	timer->Cancel();
+
+	// reset info2
+	info2.iPosition.iX = -1;info2.iPosition.iY = -1;
+	info2.iSize.iX = -1; info2.iSize.iY = -1;
+	info2.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info2 );
+	// check that size and opacity changed, multiply with 10 to remove rounding errors
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iOpacity * 10 ), TReal2TInt( info2.iOpacity * 10 ), "opacity" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iSize.iX ), TReal2TInt( info2.iSize.iX ), "size x" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info.iSize.iY ), TReal2TInt( info2.iSize.iY ), "size y" );
+
+	// pause the effect
+	iCShwZoomAndPanEffect->PauseL();
+	// run the layout to get values
+	layout->SetLayoutValues( info2 );
+	// start timer for 1.0 seconds
+    timer->Start(1.0 * 1000000, 1.0 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+	// cancel the timer
+	timer->Cancel();
+	TGlxLayoutInfoResetter info3;
+	// reset info3
+	info3.iPosition.iX = -1;info3.iPosition.iY = -1;
+	info3.iSize.iX = -1; info3.iSize.iY = -1;
+	info3.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info3 );
+	// check that no changes between info2 and info3, multiply opacity to remove rounding error
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info2.iOpacity * 10 ), TReal2TInt( info3.iOpacity * 10 ), "opacity" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info2.iSize.iX ), TReal2TInt( info3.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info2.iSize.iY ), TReal2TInt( info3.iSize.iY ), "size y" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info2.iPosition.iX ), TReal2TInt( info3.iPosition.iX ), "position x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TReal2TInt( info2.iPosition.iY ), TReal2TInt( info3.iPosition.iY ), "position y" );
+
+	// now do the resume
+	iCShwZoomAndPanEffect->Resume();
+	// start timer for 1.0 seconds
+    timer->Start(1.0 * 1000000, 1.0 * 1000000, TShwCallBack<
+            T_CShwZoomAndPanEffect, &T_CShwZoomAndPanEffect::CancelAsyncL> (
+            this));
+	// start async wait
+	iAsyncWait.Start();
+	// cancel the timer
+	timer->Cancel();
+
+	// reset info3
+	info3.iPosition.iX = -1;info3.iPosition.iY = -1;
+	info3.iSize.iX = -1; info3.iSize.iY = -1;
+	info3.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info3 );
+	// check that values  did change between info2 and info3, multiply opacity to remove rounding error
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info2.iOpacity * 10 ), TReal2TInt( info3.iOpacity * 10 ), "opacity" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info2.iSize.iX ), TReal2TInt( info3.iSize.iX ), "size x" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info2.iSize.iY ), TReal2TInt( info3.iSize.iY ), "size y" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info2.iPosition.iX ), TReal2TInt( info3.iPosition.iX ), "position x" );
+	EUNIT_ASSERT_NOT_EQUALS_DESC( 
+		TReal2TInt( info2.iPosition.iY ), TReal2TInt( info3.iPosition.iY ), "position y" );
+	}
+
+void T_CShwZoomAndPanEffect::T_TestBoundariesL()
+    {
+    // get the screen size
+	TSize screenSize = gScreenRect.Size();
+    // calculate the maximum width and height
+    TInt maximumImageWidth = screenSize.iWidth * KMaxThumbnailSize;
+    TInt maximumImageHeight = screenSize.iHeight * KMaxThumbnailSize;
+    
+	// display size is define by gScreenRect
+	// give the HUI env to the effect and the size
+	iCShwZoomAndPanEffect->InitializeL( 
+	    iEnv,
+	    NULL,
+	    NULL,
+	    screenSize );
+
+	// prepare view with image twice as wide but half the height of maximum
+	TSize imageSize( 
+	    maximumImageWidth * 2, 
+	    maximumImageHeight / 2 );
+	TSize thumbSize = iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+    // check the thumbnail size
+    // note that the thumbnail may be wider than higher than the maximage but the area
+    // is the same
+	EUNIT_ASSERT_EQUALS_DESC( 
+		maximumImageWidth * 2, thumbSize.iWidth, "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		maximumImageHeight / 2, thumbSize.iHeight, "size y" );
+
+	// then enter view, fade in should last 0 millliseconds and view 0 so that the new values
+	// are immediate
+	// get the layout chain
+	MGlxLayout* layout = 
+		iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// get the initial layout values
+	TGlxLayoutInfoResetter info;
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check that image width is maximum screen width times two and height is 
+    // original by two (as original was twice as wide as fitted)
+    // note that the thumbnail may be wider than higher than the maximage but the area
+    // is the same
+	EUNIT_ASSERT_EQUALS_DESC(
+		maximumImageWidth * 2, TReal2TInt( info.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		maximumImageHeight / 2, TReal2TInt( info.iSize.iY ), "size y" );
+
+	// prepare view with image max wide but twice the height of maximum
+	imageSize.SetSize( maximumImageWidth, maximumImageHeight * 2 );
+	iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+	// then enter view, fade in should last 0 millliseconds and view 0 so that the new values
+	// are immediate
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// get the initial layout values
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check that image area is same as maximum image area
+    // note that the thumbnail may be wider than higher than the maximage but the area
+    // is the same
+	EUNIT_ASSERT_EQUALS_DESC( 
+		maximumImageWidth * maximumImageHeight, 
+		TReal2TInt( info.iSize.iX * info.iSize.iY ), "size x" );
+
+    // test image partially smaller than screen, should not zoom
+	// prepare view with image quarter of the screen wide but four times the height of screen
+	imageSize.SetSize( gScreenWidth / 4, gScreenHeight * 4 );
+	iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+	// then enter view, fade in should last 0 millliseconds and view 0 so that the new values
+	// are immediate
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// get the initial layout values
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check that image size is the maximum screen width and height multiplied by 16
+	EUNIT_ASSERT_EQUALS_DESC( 
+		gScreenWidth, TReal2TInt( info.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		gScreenHeight * 4 * 4, TReal2TInt( info.iSize.iY ), "size y" );
+
+    // test image partially smaller than screen, should zoom
+	// prepare view with image half of the screen wide but three times the height of screen
+	imageSize.SetSize( gScreenWidth - 10, gScreenHeight * 2 );
+	iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+	// then enter view, fade in should last 0 millliseconds and view 0 so that the new values
+	// are immediate
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// get the initial layout values
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check image area, should be same as max size
+	EUNIT_ASSERT_EQUALS_DESC( 
+		maximumImageWidth * maximumImageHeight, 
+		TReal2TInt( info.iSize.iX * info.iSize.iY ), "size x" );
+
+    // test image that is screen size, should not zoom
+	// prepare view with image 
+	imageSize.SetSize( gScreenWidth, gScreenHeight );
+	iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+	// then enter view, fade in should last 0 millliseconds and view 0 so that the new values
+	// are immediate
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// get the initial layout values
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check that image size is screen size
+	EUNIT_ASSERT_EQUALS_DESC( 
+		gScreenWidth, TReal2TInt( info.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		gScreenHeight, TReal2TInt( info.iSize.iY ), "size y" );
+
+    // test image partially larger than screen, should zoom
+	// prepare view
+	imageSize.SetSize( gScreenWidth * 1.5, gScreenHeight * 1.5 );
+	iCShwZoomAndPanEffect->PrepareViewL( iVisual, imageSize );
+	// then enter view, fade in should last 0 millliseconds and view 0 so that the new values
+	// are immediate
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// get the initial layout values
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check that image size is the screen multiplied by max zoom
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TInt(gScreenWidth * KMaxZoomAndPanFactor), TReal2TInt( info.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		TInt(gScreenHeight * KMaxZoomAndPanFactor), TReal2TInt( info.iSize.iY ), "size y" );
+		
+	// enter transition to increase the counter, duration zero
+	// ignore layout chain
+	iCShwZoomAndPanEffect->EnterTransitionL( iVisual, 0 );
+    // enter the same effect again, this time we do zoom out (max to min size)
+	// get the layout chain
+	layout = iCShwZoomAndPanEffect->EnterViewL( iVisual, 0, 0 );
+	// reset info
+	info.iPosition.iX = -1;info.iPosition.iY = -1;
+	info.iSize.iX = -1; info.iSize.iY = -1;
+	info.iOpacity = -1;
+	// run the layout to get values
+	layout->SetLayoutValues( info );
+    // check that image size is the screen multiplied by max zoom
+	EUNIT_ASSERT_EQUALS_DESC( 
+		gScreenWidth, TReal2TInt( info.iSize.iX ), "size x" );
+	EUNIT_ASSERT_EQUALS_DESC( 
+		gScreenHeight, TReal2TInt( info.iSize.iY ), "size y" );
+    }
+
+TInt T_CShwZoomAndPanEffect::CancelAsyncL()
+	{
+	// stop async wait
+	iAsyncWait.AsyncStop();
+	// return KErrNone to stop the timer
+	return KErrNone;
+	}
+
+//  TEST TABLE
+EUNIT_BEGIN_TEST_TABLE(
+    T_CShwZoomAndPanEffect,
+    "Test suite for CShwZoomAndPanEffect and Layout",
+    "UNIT" )
+
+EUNIT_TEST(
+    "Geometry utilities test",
+    "NShwGeometryUtilities",
+    "FitDimension,FitInsideBox,FitToCoverBox",
+    "FUNCTIONALITY",
+    Empty, T_TestGeometryAlgorithmsL, Empty )
+
+EUNIT_TEST(
+    "Layout test",
+    "TShwZoomAndPanLayout",
+    "TShwZoomAndPanLayout",
+    "FUNCTIONALITY",
+    Empty, T_LayoutTestL, Empty )
+
+EUNIT_TEST(
+    "Curve test",
+    "ShwCurveFactory",
+    "CreateEllipsisL",
+    "FUNCTIONALITY",
+    Empty, T_CurveTestL, Empty )
+
+EUNIT_TEST(
+    "Zoom and pan test",
+    "TShwZoomAndPanLayout",
+    "DoSetLayoutValues",
+    "FUNCTIONALITY",
+    Empty, T_ZoomAndPanTestL, Empty )
+
+EUNIT_TEST(
+    "Pause Zoom and pan",
+    "CShwZoomAndPanEffect",
+    "PauseL, Resume",
+    "FUNCTIONALITY",
+    SetupL, T_PauseTestL, Teardown )
+
+EUNIT_TEST(
+    "Test boundaries",
+    "CShwZoomAndPanEffect",
+    "PrepareViewL",
+    "FUNCTIONALITY",
+    SetupL, T_TestBoundariesL, Teardown )
+
+EUNIT_END_TEST_TABLE
+
+//  END OF FILE