src/testcases/org/apache/poi/hssf/record/TestSSTDeserializer.java

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package org.apache.poi.hssf.record;

import org.apache.poi.util.HexRead;
import org.apache.poi.util.BinaryTree;

import java.io.File;

import junit.framework.TestCase;

/**
 * Exercise the SSTDeserializer class.
 *
 * @author Glen Stampoultzis (glens at apache.org)
 */
public class TestSSTDeserializer
        extends TestCase
{
    private String _test_file_path;
    private static final String _test_file_path_property = "HSSF.testdata.path";

    public TestSSTDeserializer( String s )
    {
        super( s );
    }

    protected void setUp() throws Exception
    {
        _test_file_path = System.getProperty( _test_file_path_property );
    }

    public void testSpanRichTextToPlainText()
            throws Exception
    {
        byte[] bytes = HexRead.readData( _test_file_path + File.separator + "richtextdata.txt", "header" );
        BinaryTree strings = new BinaryTree();
        SSTDeserializer deserializer = new SSTDeserializer( strings );
        deserializer.manufactureStrings( bytes, 0);
        byte[] continueBytes = HexRead.readData( _test_file_path + File.separator + "richtextdata.txt", "continue1" );
        deserializer.processContinueRecord( continueBytes );

        assertEquals( "At a dinner party orAt At At ", strings.get( new Integer( 0 ) ) + "" );
    }

    public void testContinuationWithNoOverlap()
            throws Exception
    {
        byte[] bytes = HexRead.readData( _test_file_path + File.separator + "evencontinuation.txt", "header" );
        BinaryTree strings = new BinaryTree();
        SSTDeserializer deserializer = new SSTDeserializer( strings );
        deserializer.manufactureStrings( bytes, 0);
        byte[] continueBytes = HexRead.readData( _test_file_path + File.separator + "evencontinuation.txt", "continue1" );
        deserializer.processContinueRecord( continueBytes );

        assertEquals( "At a dinner party or", strings.get( new Integer( 0 ) ) + "" );
        assertEquals( "At a dinner party", strings.get( new Integer( 1 ) ) + "" );

    }

    /**
     * Strings can actually span across more than one continuation.
     */
    public void testStringAcross2Continuations()
            throws Exception
    {
        byte[] bytes = HexRead.readData( _test_file_path + File.separator + "stringacross2continuations.txt", "header" );
        BinaryTree strings = new BinaryTree();
        SSTDeserializer deserializer = new SSTDeserializer( strings );
        deserializer.manufactureStrings( bytes, 0);
        bytes = HexRead.readData( _test_file_path + File.separator + "stringacross2continuations.txt", "continue1" );
        deserializer.processContinueRecord( bytes );
        bytes = HexRead.readData( _test_file_path + File.separator + "stringacross2continuations.txt", "continue2" );
        deserializer.processContinueRecord( bytes );

        assertEquals( "At a dinner party or", strings.get( new Integer( 0 ) ) + "" );
        assertEquals( "At a dinner partyAt a dinner party", strings.get( new Integer( 1 ) ) + "" );

    }

    public void testExtendedStrings()
            throws Exception
    {
        byte[] bytes = HexRead.readData( _test_file_path + File.separator + "extendedtextstrings.txt", "rich-header" );
        BinaryTree strings = new BinaryTree();
        SSTDeserializer deserializer = new SSTDeserializer( strings );
        deserializer.manufactureStrings( bytes, 0);
        byte[] continueBytes = HexRead.readData( _test_file_path + File.separator + "extendedtextstrings.txt", "rich-continue1" );
        deserializer.processContinueRecord( continueBytes );

        assertEquals( "At a dinner party orAt At At ", strings.get( new Integer( 0 ) ) + "" );


        bytes = HexRead.readData( _test_file_path + File.separator + "extendedtextstrings.txt", "norich-header" );
        strings = new BinaryTree();
        deserializer = new SSTDeserializer( strings );
        deserializer.manufactureStrings( bytes, 0);
        continueBytes = HexRead.readData( _test_file_path + File.separator + "extendedtextstrings.txt", "norich-continue1" );
        deserializer.processContinueRecord( continueBytes );

        assertEquals( "At a dinner party orAt At At ", strings.get( new Integer( 0 ) ) + "" );

    }

}