DenseLocalOffHeapVectorConstructorTest.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.vector;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

/** */
public class DenseLocalOffHeapVectorConstructorTest {
    /** */
    private static final int IMPOSSIBLE_SIZE = -1;

    /** */
    @Test(expected = AssertionError.class)
    public void negativeSizeTest() {
        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
            new DenseLocalOffHeapVector(-1).size());
    }

    /** */
    @Test(expected = NullPointerException.class)
    public void nullArrayTest() {
        assertEquals("Null array.", IMPOSSIBLE_SIZE,
            new DenseLocalOffHeapVector(null).size());
    }

    /** */
    @Test(expected = AssertionError.class)
    public void zeroSizeTest() {
        assertEquals("0 size.", IMPOSSIBLE_SIZE,
            new DenseLocalOffHeapVector(new double[0]).size());
    }

    /** */
    @Test
    public void primitiveTest() {
        assertEquals("1 size.", 1,
            new DenseLocalOffHeapVector(new double[1]).size());

        assertEquals("2 size.", 2,
            new DenseLocalOffHeapVector(new double[2]).size());
    }
}