/* 
 * 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 parquet.hadoop.metadata;

import java.util.HashSet;
import java.util.Set;

import org.junit.Test;

import parquet.column.Encoding;
import parquet.column.statistics.BinaryStatistics;
import parquet.schema.PrimitiveType.PrimitiveTypeName;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static parquet.schema.PrimitiveType.PrimitiveTypeName.BINARY;

public class TestColumnChunkMetaData {


    @Test
    public void testConversionBig() {
        long big = (long) Integer.MAX_VALUE + 1;

        ColumnChunkMetaData md = newMD(big);
        assertTrue(md instanceof IntColumnChunkMetaData);
        assertEquals(big, md.getFirstDataPageOffset());
    }

    @Test
    public void testConversionSmall() {
        long small = 1;

        ColumnChunkMetaData md = newMD(small);
        assertTrue(md instanceof IntColumnChunkMetaData);
        assertEquals(small, md.getFirstDataPageOffset());
    }

    @Test
    public void testConversionVeryBig() {
        long veryBig = (long) Integer.MAX_VALUE * 3;

        ColumnChunkMetaData md = newMD(veryBig);
        assertTrue(md instanceof LongColumnChunkMetaData);
        assertEquals(veryBig, md.getFirstDataPageOffset());
    }

    @Test
    public void testConversionNeg() {
        long neg = -1;

        ColumnChunkMetaData md = newMD(neg);
        assertTrue(md instanceof LongColumnChunkMetaData);
        assertEquals(neg, md.getFirstDataPageOffset());
    }

    private ColumnChunkMetaData newMD(long big) {
        Set<Encoding> e = new HashSet<Encoding>();
        PrimitiveTypeName t = BINARY;
        ColumnPath p = ColumnPath.get("foo");
        CompressionCodecName c = CompressionCodecName.GZIP;
        BinaryStatistics s = new BinaryStatistics();
        ColumnChunkMetaData md = ColumnChunkMetaData.get(p, t, c, e, s,
                big, 0, 0, 0, 0);
        return md;
    }
}