eagle-core/eagle-query/eagle-entity-base/src/test/java/org/apache/eagle/log/entity/meta/TestArraySerDeser.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.eagle.log.entity.meta;

import org.junit.Assert;

import org.junit.Test;

public class TestArraySerDeser {

    @Test
    public void testIntArraySerDeser() {
        IntArraySerDeser serDeser = new IntArraySerDeser();
        int[] ints = new int[] {
                                1, 34, 21, 82
        };
        byte[] bytes = serDeser.serialize(ints);
        Assert.assertEquals((ints.length + 1) * 4, bytes.length);
        int[] targets = serDeser.deserialize(bytes);
        Assert.assertEquals(ints.length, targets.length);
        for (int i = 0; i < ints.length; i++) {
            Assert.assertEquals(ints[i], targets[i]);
        }
    }

    @Test
    public void testDoubleArraySerDeser() {
        DoubleArraySerDeser serDeser = new DoubleArraySerDeser();
        double[] doubles = new double[] {
                                         1.0, 34.0, 21.0, 82.0
        };
        byte[] bytes = serDeser.serialize(doubles);
        Assert.assertEquals(4 + doubles.length * 8, bytes.length);
        double[] targets = serDeser.deserialize(bytes);
        Assert.assertEquals(doubles.length, targets.length);
        for (int i = 0; i < doubles.length; i++) {
            Assert.assertEquals(doubles[i], targets[i], 0.0001);
        }
    }

    @Test
    public void testStringArraySerDeser() {
        StringArraySerDeser serDeser = new StringArraySerDeser();
        String[] sources = new String[] {
                                         "a", "", "1", "2", "3"
        };
        byte[] bytes = serDeser.serialize(sources);
        Assert.assertEquals(4 + sources.length * 4 + 4, bytes.length);
        String[] targets = serDeser.deserialize(bytes);
        Assert.assertEquals(sources.length, targets.length);
        for (int i = 0; i < sources.length; i++) {
            Assert.assertEquals(sources[i], targets[i]);
        }
    }

}