src/testcases/org/apache/poi/ddf/TestEscherContainerRecord.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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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
   limitations under the License.
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package org.apache.poi.ddf;

import java.io.File;
import java.io.FileInputStream;

import junit.framework.TestCase;
import org.apache.poi.util.HexRead;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.IOUtils;

public class TestEscherContainerRecord extends TestCase
{
	private String ESCHER_DATA_PATH;
	
	protected void setUp() {
		ESCHER_DATA_PATH = System.getProperty("DDF.testdata.path");
	}

	public void testFillFields() {
        EscherRecordFactory f = new DefaultEscherRecordFactory();
        byte[] data = HexRead.readFromString( "0F 02 11 F1 00 00 00 00" );
        EscherRecord r = f.createRecord( data, 0 );
        r.fillFields( data, 0, f );
        assertTrue( r instanceof EscherContainerRecord );
        assertEquals( (short) 0x020F, r.getOptions() );
        assertEquals( (short) 0xF111, r.getRecordId() );

        data = HexRead.readFromString( "0F 02 11 F1 08 00 00 00" +
                " 02 00 22 F2 00 00 00 00" );
        r = f.createRecord( data, 0 );
        r.fillFields( data, 0, f );
        EscherRecord c = r.getChild( 0 );
        assertFalse( c instanceof EscherContainerRecord );
        assertEquals( (short) 0x0002, c.getOptions() );
        assertEquals( (short) 0xF222, c.getRecordId() );
    }

    public void testSerialize() {
        UnknownEscherRecord r = new UnknownEscherRecord();
        r.setOptions( (short) 0x123F );
        r.setRecordId( (short) 0xF112 );
        byte[] data = new byte[8];
        r.serialize( 0, data, new NullEscherSerializationListener() );

        assertEquals( "[3F, 12, 12, F1, 00, 00, 00, 00]", HexDump.toHex( data ) );

        EscherRecord childRecord = new UnknownEscherRecord();
        childRecord.setOptions( (short) 0x9999 );
        childRecord.setRecordId( (short) 0xFF01 );
        r.addChildRecord( childRecord );
        data = new byte[16];
        r.serialize( 0, data, new NullEscherSerializationListener() );

        assertEquals( "[3F, 12, 12, F1, 08, 00, 00, 00, 99, 99, 01, FF, 00, 00, 00, 00]", HexDump.toHex( data ) );

    }

    public void testToString() {
        EscherContainerRecord r = new EscherContainerRecord();
        r.setRecordId( EscherContainerRecord.SP_CONTAINER );
        r.setOptions( (short) 0x000F );
        String nl = System.getProperty( "line.separator" );
        assertEquals( "org.apache.poi.ddf.EscherContainerRecord (SpContainer):" + nl +
                "  isContainer: true" + nl +
                "  options: 0x000F" + nl +
                "  recordId: 0xF004" + nl +
                "  numchildren: 0" + nl
                , r.toString() );

        EscherOptRecord r2 = new EscherOptRecord();
        r2.setOptions( (short) 0x9876 );
        r2.setRecordId( EscherOptRecord.RECORD_ID );

        String expected;
        r.addChildRecord( r2 );
        expected = "org.apache.poi.ddf.EscherContainerRecord (SpContainer):" + nl +
                   "  isContainer: true" + nl +
                   "  options: 0x000F" + nl +
                   "  recordId: 0xF004" + nl +
                   "  numchildren: 1" + nl +
                   "  children: " + nl +
                   "   Child 0:" + nl +
                   "org.apache.poi.ddf.EscherOptRecord:" + nl +
                   "  isContainer: false" + nl +
                   "  options: 0x0003" + nl +
                   "  recordId: 0xF00B" + nl +
                   "  numchildren: 0" + nl +
                   "  properties:" + nl;
        assertEquals( expected, r.toString() );

        r.addChildRecord( r2 );
        expected = "org.apache.poi.ddf.EscherContainerRecord (SpContainer):" + nl +
                   "  isContainer: true" + nl +
                   "  options: 0x000F" + nl +
                   "  recordId: 0xF004" + nl +
                   "  numchildren: 2" + nl +
                   "  children: " + nl +
                   "   Child 0:" + nl +
                   "org.apache.poi.ddf.EscherOptRecord:" + nl +
                   "  isContainer: false" + nl +
                   "  options: 0x0003" + nl +
                   "  recordId: 0xF00B" + nl +
                   "  numchildren: 0" + nl +
                   "  properties:" + nl +
                   "   Child 1:" + nl +
                   "org.apache.poi.ddf.EscherOptRecord:" + nl +
                   "  isContainer: false" + nl +
                   "  options: 0x0003" + nl +
                   "  recordId: 0xF00B" + nl +
                   "  numchildren: 0" + nl +
                   "  properties:" + nl;
        assertEquals( expected, r.toString() );
    }

    public void testGetRecordSize() {
        EscherContainerRecord r = new EscherContainerRecord();
        r.addChildRecord(new EscherRecord()
        {
            public int fillFields( byte[] data, int offset, EscherRecordFactory recordFactory ) { return 0; }
            public int serialize( int offset, byte[] data, EscherSerializationListener listener ) { return 0; }
            public int getRecordSize() { return 10; }
            public String getRecordName() { return ""; }
        } );

        assertEquals(18, r.getRecordSize());
    }

    /**
     * We were having problems with reading too much data on an UnknownEscherRecord,
     *  but hopefully we now read the correct size.
     */
    public void testBug44857() throws Exception {
    	File f = new File(ESCHER_DATA_PATH, "Container.dat");
    	assertTrue(f.exists());
    	
    	FileInputStream finp = new FileInputStream(f);
    	byte[] data = IOUtils.toByteArray(finp);
    	
    	// This used to fail with an OutOfMemory
    	EscherContainerRecord record = new EscherContainerRecord();
    	record.fillFields(data, 0, new DefaultEscherRecordFactory());
    }
}