/*
 * 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.engine.mr.steps;

import org.apache.kylin.engine.mr.steps.FactDistinctColumnsMapper.DictColDeduper;
import org.junit.Assert;
import org.junit.Test;

/**
 */
public class DictColDeduperTest {

    @Test
    public void testBasics() {
        DictColDeduper dd = new DictColDeduper(50, 0);
        
        dd.setIsDictCol(0);
        dd.setIsDictCol(2);
        
        Assert.assertTrue(dd.isDictCol(0));
        Assert.assertTrue(!dd.isDictCol(1));
        Assert.assertTrue(dd.isDictCol(2));
        Assert.assertTrue(!dd.isDictCol(3));
        
        Assert.assertTrue(dd.add(0, "abc"));
        dd.resetIfShortOfMem();
        Assert.assertTrue(!dd.add(0, "abc"));
        
        Assert.assertTrue(dd.add(2, "abc"));
        dd.resetIfShortOfMem();
        Assert.assertTrue(!dd.add(2, "abc"));
    }
    
    @Test
    public void testReset() {
        DictColDeduper dd = new DictColDeduper(50, Integer.MAX_VALUE);
        
        dd.setIsDictCol(0);
        dd.setIsDictCol(2);
        
        Assert.assertTrue(dd.add(0, "abc"));
        Assert.assertTrue(dd.add(2, "abc"));
        
        dd.resetIfShortOfMem();
        
        Assert.assertTrue(dd.add(0, "abc"));
        Assert.assertTrue(dd.add(2, "abc"));
    }
}
