/*
* Copyright (c) 2011-2015, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* 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 boofcv.struct.learning;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author Peter Abeles
*/
public class TestPrecisionRecall {
double TP=1.0,TN=2.0,FP=3.0,FN=4.0;
@Test
public void getTruePositive() {
PrecisionRecall p = new PrecisionRecall(1,2,3,4);
assertEquals(1, p.getTruePositive(), 1e-8);
}
@Test
public void getTrueNegative() {
PrecisionRecall p = new PrecisionRecall(1,2,3,4);
assertEquals(2, p.getTrueNegative(), 1e-8);
}
@Test
public void getFalsePositive() {
PrecisionRecall p = new PrecisionRecall(1,2,3,4);
assertEquals(3, p.getFalsePositive(), 1e-8);
}
@Test
public void getFalseNegative() {
PrecisionRecall p = new PrecisionRecall(1,2,3,4);
assertEquals(4, p.getFalseNegative(), 1e-8);
}
@Test
public void getFMeasure() {
PrecisionRecall p = new PrecisionRecall(1,2,3,4);
double expected = 2.0*(p.getPrecision()*p.getRecall())/(p.getPrecision()+p.getRecall());
assertEquals(expected,p.getFMeasure(),1e-8);
}
@Test
public void getPrecision() {
PrecisionRecall p = new PrecisionRecall(TP,TN,FP,FN);
double expected = TP/(TP+FP);
assertEquals(expected,p.getPrecision(),1e-8);
}
@Test
public void getRecall() {
PrecisionRecall p = new PrecisionRecall(TP,TN,FP,FN);
double expected = TP/(TP+FN);
assertEquals(expected, p.getRecall(), 1e-8);
}
}