/*
 * 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.kylin.measure.raw;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.List;

import org.apache.kylin.common.util.ByteArray;
import org.apache.kylin.common.util.BytesUtil;
import org.junit.Test;

public class RawAggregatorTest {
    private RawAggregator agg = new RawAggregator();

    @Test
    public void testNormal() {
        int size = 100;
        List<ByteArray> valueList = new ArrayList<ByteArray>(size);
        for (Integer i = 0; i < size; i++) {
            ByteArray key = new ByteArray(1);
            BytesUtil.writeUnsigned(i, key.array(), 0, key.length());
            valueList.add(key);
        }
        agg.aggregate(valueList);
        agg.aggregate(valueList);
        assertEquals(valueList.size() * 2, agg.getState().size());
    }

    @Test
    public void testNull() {
        agg.aggregate(null);
        assertEquals(agg.getState(), null);
    }
}
