src/testcases/org/apache/poi/poifs/storage/TestSmallBlockTableWriter.java

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   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
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       http://www.apache.org/licenses/LICENSE-2.0

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   See the License for the specific language governing permissions and
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package org.apache.poi.poifs.storage;

import java.io.*;

import java.util.*;

import junit.framework.*;

import org.apache.poi.poifs.filesystem.POIFSDocument;
import org.apache.poi.poifs.property.PropertyTable;
import org.apache.poi.poifs.property.RootProperty;

/**
 * Class to test SmallBlockTableWriter functionality
 *
 * @author Marc Johnson
 */

public class TestSmallBlockTableWriter
    extends TestCase
{

    /**
     * Constructor TestSmallBlockTableWriter
     *
     * @param name
     */

    public TestSmallBlockTableWriter(String name)
    {
        super(name);
    }

    /**
     * test writing constructor
     *
     * @exception IOException
     */

    public void testWritingConstructor()
        throws IOException
    {
        List documents = new ArrayList();

        documents.add(
            new POIFSDocument(
                "doc340", new ByteArrayInputStream(new byte[ 340 ])));
        documents.add(
            new POIFSDocument(
                "doc5000", new ByteArrayInputStream(new byte[ 5000 ])));
        documents
            .add(new POIFSDocument("doc0",
                                   new ByteArrayInputStream(new byte[ 0 ])));
        documents
            .add(new POIFSDocument("doc1",
                                   new ByteArrayInputStream(new byte[ 1 ])));
        documents
            .add(new POIFSDocument("doc2",
                                   new ByteArrayInputStream(new byte[ 2 ])));
        documents
            .add(new POIFSDocument("doc3",
                                   new ByteArrayInputStream(new byte[ 3 ])));
        documents
            .add(new POIFSDocument("doc4",
                                   new ByteArrayInputStream(new byte[ 4 ])));
        documents
            .add(new POIFSDocument("doc5",
                                   new ByteArrayInputStream(new byte[ 5 ])));
        documents
            .add(new POIFSDocument("doc6",
                                   new ByteArrayInputStream(new byte[ 6 ])));
        documents
            .add(new POIFSDocument("doc7",
                                   new ByteArrayInputStream(new byte[ 7 ])));
        documents
            .add(new POIFSDocument("doc8",
                                   new ByteArrayInputStream(new byte[ 8 ])));
        documents
            .add(new POIFSDocument("doc9",
                                   new ByteArrayInputStream(new byte[ 9 ])));
        RootProperty               root = new PropertyTable().getRoot();
        SmallBlockTableWriter      sbtw = new SmallBlockTableWriter(documents,
                                              root);
        BlockAllocationTableWriter bat  = sbtw.getSBAT();

        // 15 small blocks: 6 for doc340, 0 for doc5000 (too big), 0
        // for doc0 (no storage needed), 1 each for doc1 through doc9
        assertEquals(15 * 64, root.getSize());

        // 15 small blocks rounds up to 2 big blocks
        assertEquals(2, sbtw.countBlocks());
        int start_block = 1000 + root.getStartBlock();

        sbtw.setStartBlock(start_block);
        assertEquals(start_block, root.getStartBlock());
    }

    /**
     * main method to run the unit tests
     *
     * @param ignored_args
     */

    public static void main(String [] ignored_args)
    {
        System.out.println(
            "Testing org.apache.poi.poifs.storage.SmallBlockTableWriter");
        junit.textui.TestRunner.run(TestSmallBlockTableWriter.class);
    }
}