/*
* #%L
* ImgLib2: a general-purpose, multidimensional image processing library.
* %%
* Copyright (C) 2009 - 2014 Stephan Preibisch, Tobias Pietzsch, Barry DeZonia,
* Stephan Saalfeld, Albert Cardona, Curtis Rueden, Christian Dietz, Jean-Yves
* Tinevez, Johannes Schindelin, Lee Kamentsky, Larry Lindsey, Grant Harris,
* Mark Hiner, Aivar Grislis, Martin Horn, Nick Perry, Michael Zinsmaier,
* Steffen Jaensch, Jan Funke, Mark Longair, and Dimiter Prodanov.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* #L%
*/
package net.imglib2;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Random;
import net.imglib2.RealCursor;
import net.imglib2.RealLocalizable;
import net.imglib2.RealPoint;
import net.imglib2.RealPointSampleList;
import net.imglib2.type.numeric.real.DoubleType;
import org.junit.Before;
import org.junit.Test;
/**
* TODO
*
*/
public class RealPointSampleListTest
{
final static private int n = 10;
final static private int m = 10000;
final static private Random rnd = new Random( 123456 );
final static private RealPointSampleList< DoubleType > realPointSampleList = new RealPointSampleList< DoubleType >( n );
final static private ArrayList< RealPoint > realPointList = new ArrayList< RealPoint >();
final static private ArrayList< DoubleType > sampleList = new ArrayList< DoubleType >();
final static private boolean positionEquals(
final RealLocalizable a,
final RealLocalizable b )
{
final int na = a.numDimensions();
if ( na != b.numDimensions() )
return false;
for ( int d = 0; d < na; ++d )
{
if ( a.getDoublePosition( d ) != b.getDoublePosition( d ) )
return false;
}
return true;
}
@Before
public void init()
{
for ( int i = 0; i < m; ++i )
{
final double[] position = new double[ n ];
for ( int d = 0; d < n; ++d )
position[ d ] = rnd.nextDouble();
final RealPoint realPoint = new RealPoint( position );
final DoubleType sample = new DoubleType( rnd.nextDouble() );
realPointList.add( realPoint );
sampleList.add( sample );
realPointSampleList.add( realPoint, sample );
}
}
@Test
public void testIteration()
{
final Iterator< DoubleType > sampleIterator = sampleList.iterator();
for ( final DoubleType t : realPointSampleList )
assertTrue( "Samples differ ", t == sampleIterator.next() );
}
@Test
public void testPosition()
{
final Iterator< RealPoint > realPointIterator = realPointList.iterator();
final RealCursor< DoubleType > realPointSampleCursor = realPointSampleList.cursor();
while ( realPointSampleCursor.hasNext() )
{
realPointSampleCursor.fwd();
assertTrue( "Positions differ ", positionEquals( realPointIterator.next(), realPointSampleCursor ) );
}
}
@Test
public void testCopy()
{
final ArrayList< RealCursor< DoubleType > > copies = new ArrayList< RealCursor< DoubleType > >();
final RealCursor< DoubleType > cursor = realPointSampleList.cursor();
while ( cursor.hasNext() )
{
cursor.fwd();
copies.add( cursor.copyCursor() );
}
cursor.reset();
final Iterator< RealCursor< DoubleType > > copyIterator = copies.iterator();
while ( cursor.hasNext() )
{
cursor.fwd();
final RealCursor< DoubleType > copy = copyIterator.next();
assertTrue( "Copy failed at sample ", copy.get() == cursor.get() );
assertTrue( "Copy failed at position ", positionEquals( copy, cursor ) );
}
}
}