/*
* Copyright (C) 2011-2015, Peter Abeles. All Rights Reserved.
*
* This file is part of Geometric Regression Library (GeoRegression).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package georegression.struct.point;
import georegression.misc.GrlConstants;
import georegression.struct.GeoTuple_F32;
import static junit.framework.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Peter Abeles
*/
@SuppressWarnings({"unchecked"})
public class GenericGeoTupleTests_F32<T extends GeoTuple_F32> {
private T seed;
public GenericGeoTupleTests_F32( T seed ) {
this.seed = seed;
}
public void checkAll( int dimension ) {
checkCreateNewInstance();
checkDimension( dimension );
checkSetAndGetIndex();
checkNorm();
checkNormSq();
checkCopy();
}
public void checkCreateNewInstance() {
T a = (T) seed.createNewInstance();
assertTrue( a != null );
assertTrue( a.getClass() == seed.getClass() );
}
public void checkDimension( int expected ) {
T a = (T) seed.createNewInstance();
assertEquals( a.getDimension(), expected );
}
public void checkSetAndGetIndex() {
T a = (T) seed.createNewInstance();
for( int i = 0; i < a.getDimension(); i++ ) {
assertEquals( 0, a.getIndex( i ), GrlConstants.FLOAT_TEST_TOL );
a.setIndex( i, 2 );
assertEquals( 2, a.getIndex( i ), GrlConstants.FLOAT_TEST_TOL );
}
}
public void checkNorm() {
T a = (T) seed.createNewInstance();
float total = 0;
for( int i = 0; i < a.getDimension(); i++ ) {
a.setIndex( i, i + 1 );
total += ( i + 1 ) * ( i + 1 );
}
float expected = (float)Math.sqrt( total );
assertEquals( expected, a.norm(), GrlConstants.FLOAT_TEST_TOL );
}
public void checkNormSq() {
T a = (T) seed.createNewInstance();
float total = 0;
for( int i = 0; i < a.getDimension(); i++ ) {
a.setIndex( i, i + 1 );
total += ( i + 1 ) * ( i + 1 );
}
assertEquals( total, a.normSq(), GrlConstants.FLOAT_TEST_TOL );
}
public void checkCopy() {
T a = (T) seed.createNewInstance();
for( int i = 0; i < a.getDimension(); i++ ) {
a.setIndex( i, i + 1 );
}
T b = (T) a.copy();
assertTrue( a != b );
for( int i = 0; i < a.getDimension(); i++ ) {
assertTrue( a.getIndex( i ) == b.getIndex( i ) );
}
}
}