testobjrecord.java

java 读写word excel ppt

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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.hssf.record;

import junit.framework.*;

import java.util.Arrays;
import java.util.List;

/**
 * Tests the serialization and deserialization of the ObjRecord class works correctly.
 * Test data taken directly from a real Excel file.
 *
 * @author Yegor Kozlov
 */
public class TestObjRecord extends TestCase {
    /**
     * OBJ record data containing two sub-records.
     * The data taken directly from a real Excel file.
     *
     * [OBJ]
     *     [ftCmo]
     *     [ftEnd]
     */
    public static byte[] recdata = {
        0x15, 0x00, 0x12, 0x00, 0x06, 0x00, 0x01, 0x00, 0x11, 0x60,
        (byte)0xF4, 0x02, 0x41, 0x01, 0x14, 0x10, 0x1F, 0x02, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00
    };


    public void testLoad() throws Exception {
        ObjRecord record = new ObjRecord(new TestcaseRecordInputStream(ObjRecord.sid, (short)recdata.length, recdata));

        assertEquals( recdata.length, record.getRecordSize() - 4);

        List subrecords = record.getSubRecords();
        assertEquals( 2, subrecords.size() );
        assertTrue( subrecords.get(0) instanceof CommonObjectDataSubRecord);
        assertTrue( subrecords.get(1) instanceof EndSubRecord );

    }

    public void testStore() {
        ObjRecord record = new ObjRecord(new TestcaseRecordInputStream(ObjRecord.sid, (short)recdata.length, recdata));

        byte [] recordBytes = record.serialize();
        assertEquals(recdata.length, recordBytes.length - 4);
        byte[] subData = new byte[recordBytes.length - 4];
        System.arraycopy(recordBytes, 4, subData, 0, subData.length);
        assertTrue(Arrays.equals(recdata, subData));
    }

    public void testConstruct() {
        ObjRecord record = new ObjRecord();
        CommonObjectDataSubRecord ftCmo = new CommonObjectDataSubRecord();
        ftCmo.setObjectType( CommonObjectDataSubRecord.OBJECT_TYPE_COMMENT);
        ftCmo.setObjectId( (short) 1024 );
        ftCmo.setLocked( true );
        ftCmo.setPrintable( true );
        ftCmo.setAutofill( true );
        ftCmo.setAutoline( true );
        record.addSubRecord(ftCmo);
        EndSubRecord ftEnd = new EndSubRecord();
        record.addSubRecord(ftEnd);

        //serialize and read again
        byte [] recordBytes = record.serialize();
        //cut off the record header
        byte [] bytes = new byte[recordBytes.length-4];
        System.arraycopy(recordBytes, 4, bytes, 0, bytes.length);

        record = new ObjRecord(new TestcaseRecordInputStream(ObjRecord.sid, (short)bytes.length, bytes));
        List subrecords = record.getSubRecords();
        assertEquals( 2, subrecords.size() );
        assertTrue( subrecords.get(0) instanceof CommonObjectDataSubRecord);
        assertTrue( subrecords.get(1) instanceof EndSubRecord );
    }
}