VectorArrayStorageTest.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.vector;

import java.util.Arrays;
import org.apache.ignite.ml.math.impls.MathTestConstants;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

/**
 * Unit test for {@link ArrayVectorStorage}.
 */
public class VectorArrayStorageTest extends VectorBaseStorageTest<ArrayVectorStorage> {
    /** */
    @Override public void setUp() {
        storage = new ArrayVectorStorage(MathTestConstants.STORAGE_SIZE);
    }

    /** */
    @Test
    public void isArrayBased() throws Exception {
        assertTrue(MathTestConstants.WRONG_ATTRIBUTE_VAL, storage.isArrayBased());

        assertTrue(MathTestConstants.WRONG_ATTRIBUTE_VAL, new ArrayVectorStorage().isArrayBased());
    }

    /** */
    @Test
    public void data() throws Exception {
        assertNotNull(MathTestConstants.NULL_DATA_STORAGE, storage.data());

        assertEquals(MathTestConstants.WRONG_DATA_SIZE, storage.data().length, MathTestConstants.STORAGE_SIZE);

        assertTrue(MathTestConstants.UNEXPECTED_DATA_VAL, Arrays.equals(storage.data(), new double[MathTestConstants.STORAGE_SIZE]));

        assertNull(MathTestConstants.UNEXPECTED_DATA_VAL, new ArrayVectorStorage().data());
    }

}