MatrixStorageImplementationTest.java

/*
 * 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.storage.matrix;

import java.util.concurrent.atomic.AtomicReference;
import java.util.function.BiConsumer;
import org.apache.ignite.ml.math.ExternalizeTest;
import org.apache.ignite.ml.math.MatrixStorage;
import org.junit.Test;

import static org.junit.Assert.assertTrue;

/**
 * Unit tests for {@link MatrixStorage} implementations.
 *
 * TODO: add attribute tests.
 */
public class MatrixStorageImplementationTest extends ExternalizeTest<MatrixStorage> {
    /**
     * The columnSize() and the rowSize() test.
     */
    @Test
    public void sizeTest() {
        final AtomicReference<Integer> expRowSize = new AtomicReference<>(0);
        final AtomicReference<Integer> expColSize = new AtomicReference<>(0);

        consumeSampleStorages((x, y) -> {
                expRowSize.set(x);
                expColSize.set(y);
            },
            (ms, desc) -> assertTrue("Expected size for " + desc, expColSize.get().equals(ms.columnSize()) && expRowSize.get().equals(ms.rowSize())));
    }

    /** */
    @Test
    public void getSetTest() {
        consumeSampleStorages(null, (ms, desc) -> {
            for (int i = 0; i < ms.rowSize(); i++) {
                for (int j = 0; j < ms.columnSize(); j++) {
                    double random = Math.random();
                    ms.set(i, j, random);
                    assertTrue("Unexpected value for " + desc + " x:" + i + ", y:" + j, Double.compare(random, ms.get(i, j)) == 0);
                }
            }
        });
    }

    /** */
    @Override public void externalizeTest() {
        consumeSampleStorages(null, (ms, desc) -> externalizeTest(ms));
    }

    /** */
    private void consumeSampleStorages(BiConsumer<Integer, Integer> paramsConsumer,
        BiConsumer<MatrixStorage, String> consumer) {
        new MatrixStorageFixtures().consumeSampleStorages(paramsConsumer, consumer);
    }
}