/*******************************************************************************
* Copyright (c) 2010 Haifeng Li
*
* 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 smile.validation;
import static org.junit.Assert.*;
import org.junit.Test;
public class ConfusionMatrixTest {
@Test
public void test() {
int[] truth = {0,1,2,3,4,5,0,1,2,3,4,5};
int[] prediction = {0,1,2,4,5,2,1,2,4,5,4,1};
ConfusionMatrix cmGen = new ConfusionMatrix(truth, prediction);
int[][] matrix = cmGen.getMatrix();
System.out.println(cmGen.toString());
int[] expected = {1,1,1,0,1,0};
for(int i = 0; i < expected.length; i++){
//main diagonal test
assertEquals(matrix[i][i], expected[i]);
//class 3 not predicted test
assertEquals(matrix[i][3], 0);
}
}
}