/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.ml.math.impls.matrix;
import org.apache.ignite.ml.math.ExternalizeTest;
import org.apache.ignite.ml.math.exceptions.UnsupportedOperationException;
import org.apache.ignite.ml.math.impls.MathTestConstants;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Tests for {@link TransposedMatrixView}.
*/
public class TransposedMatrixViewTest extends ExternalizeTest<TransposedMatrixView> {
/** */
private static final String UNEXPECTED_VALUE = "Unexpected value";
/** */
private TransposedMatrixView testMatrix;
/** */
private DenseLocalOnHeapMatrix parent;
/** */
@Before
public void setup() {
parent = new DenseLocalOnHeapMatrix(MathTestConstants.STORAGE_SIZE, MathTestConstants.STORAGE_SIZE);
fillMatrix(parent);
testMatrix = new TransposedMatrixView(parent);
}
/** {@inheritDoc} */
@Override public void externalizeTest() {
externalizeTest(testMatrix);
}
/** */
@Test
public void testView() {
assertEquals(UNEXPECTED_VALUE, parent.rowSize(), testMatrix.columnSize());
assertEquals(UNEXPECTED_VALUE, parent.columnSize(), testMatrix.rowSize());
for (int i = 0; i < parent.rowSize(); i++)
for (int j = 0; j < parent.columnSize(); j++)
assertEquals(UNEXPECTED_VALUE, parent.get(i, j), testMatrix.get(j, i), 0d);
}
/** */
@Test
public void testNullParams() {
DenseLocalOnHeapMatrixConstructorTest.verifyAssertionError(() -> new TransposedMatrixView(null), "Null Matrix parameter");
}
/** */
@Test(expected = UnsupportedOperationException.class)
public void testLike() {
testMatrix.like(0, 0);
}
/** */
@Test(expected = UnsupportedOperationException.class)
public void testLikeVector() {
testMatrix.likeVector(0);
}
/** */
private void fillMatrix(DenseLocalOnHeapMatrix mtx) {
for (int i = 0; i < mtx.rowSize(); i++)
for (int j = 0; j < mtx.columnSize(); j++)
mtx.setX(i, j, i * mtx.rowSize() + j);
}
}