/* ====================================================================
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 org.apache.poi.poifs.storage;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.poifs.common.POIFSConstants;
import org.apache.poi.poifs.property.Property;
import org.junit.Test;
/**
* Class to test PropertyBlock functionality
*/
public final class TestPropertyBlock {
@Test
public void testCreatePropertyBlocks() throws Exception {
// test with 0 properties
List<Property> properties = new ArrayList<Property>();
BlockWritable[] blocks =
PropertyBlock.createPropertyBlockArray(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS,properties);
assertEquals(0, blocks.length);
// test with 1 property
properties.add(new LocalProperty("Root Entry"));
blocks = PropertyBlock.createPropertyBlockArray(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS,properties);
assertEquals(1, blocks.length);
byte[] testblock = new byte[ 512 ];
for (int j = 0; j < 4; j++)
{
setDefaultBlock(testblock, j);
}
testblock[ 0x0000 ] = ( byte ) 'R';
testblock[ 0x0002 ] = ( byte ) 'o';
testblock[ 0x0004 ] = ( byte ) 'o';
testblock[ 0x0006 ] = ( byte ) 't';
testblock[ 0x0008 ] = ( byte ) ' ';
testblock[ 0x000A ] = ( byte ) 'E';
testblock[ 0x000C ] = ( byte ) 'n';
testblock[ 0x000E ] = ( byte ) 't';
testblock[ 0x0010 ] = ( byte ) 'r';
testblock[ 0x0012 ] = ( byte ) 'y';
testblock[ 0x0040 ] = ( byte ) 22;
verifyCorrect(blocks, testblock);
// test with 3 properties
properties.add(new LocalProperty("workbook"));
properties.add(new LocalProperty("summary"));
blocks = PropertyBlock.createPropertyBlockArray(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS,properties);
assertEquals(1, blocks.length);
testblock[ 0x0080 ] = ( byte ) 'w';
testblock[ 0x0082 ] = ( byte ) 'o';
testblock[ 0x0084 ] = ( byte ) 'r';
testblock[ 0x0086 ] = ( byte ) 'k';
testblock[ 0x0088 ] = ( byte ) 'b';
testblock[ 0x008A ] = ( byte ) 'o';
testblock[ 0x008C ] = ( byte ) 'o';
testblock[ 0x008E ] = ( byte ) 'k';
testblock[ 0x00C0 ] = ( byte ) 18;
testblock[ 0x0100 ] = ( byte ) 's';
testblock[ 0x0102 ] = ( byte ) 'u';
testblock[ 0x0104 ] = ( byte ) 'm';
testblock[ 0x0106 ] = ( byte ) 'm';
testblock[ 0x0108 ] = ( byte ) 'a';
testblock[ 0x010A ] = ( byte ) 'r';
testblock[ 0x010C ] = ( byte ) 'y';
testblock[ 0x0140 ] = ( byte ) 16;
verifyCorrect(blocks, testblock);
// test with 4 properties
properties.add(new LocalProperty("wintery"));
blocks = PropertyBlock.createPropertyBlockArray(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS,properties);
assertEquals(1, blocks.length);
testblock[ 0x0180 ] = ( byte ) 'w';
testblock[ 0x0182 ] = ( byte ) 'i';
testblock[ 0x0184 ] = ( byte ) 'n';
testblock[ 0x0186 ] = ( byte ) 't';
testblock[ 0x0188 ] = ( byte ) 'e';
testblock[ 0x018A ] = ( byte ) 'r';
testblock[ 0x018C ] = ( byte ) 'y';
testblock[ 0x01C0 ] = ( byte ) 16;
verifyCorrect(blocks, testblock);
// test with 5 properties
properties.add(new LocalProperty("foo"));
blocks = PropertyBlock.createPropertyBlockArray(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS,properties);
assertEquals(2, blocks.length);
testblock = new byte[ 1024 ];
for (int j = 0; j < 8; j++)
{
setDefaultBlock(testblock, j);
}
testblock[ 0x0000 ] = ( byte ) 'R';
testblock[ 0x0002 ] = ( byte ) 'o';
testblock[ 0x0004 ] = ( byte ) 'o';
testblock[ 0x0006 ] = ( byte ) 't';
testblock[ 0x0008 ] = ( byte ) ' ';
testblock[ 0x000A ] = ( byte ) 'E';
testblock[ 0x000C ] = ( byte ) 'n';
testblock[ 0x000E ] = ( byte ) 't';
testblock[ 0x0010 ] = ( byte ) 'r';
testblock[ 0x0012 ] = ( byte ) 'y';
testblock[ 0x0040 ] = ( byte ) 22;
testblock[ 0x0080 ] = ( byte ) 'w';
testblock[ 0x0082 ] = ( byte ) 'o';
testblock[ 0x0084 ] = ( byte ) 'r';
testblock[ 0x0086 ] = ( byte ) 'k';
testblock[ 0x0088 ] = ( byte ) 'b';
testblock[ 0x008A ] = ( byte ) 'o';
testblock[ 0x008C ] = ( byte ) 'o';
testblock[ 0x008E ] = ( byte ) 'k';
testblock[ 0x00C0 ] = ( byte ) 18;
testblock[ 0x0100 ] = ( byte ) 's';
testblock[ 0x0102 ] = ( byte ) 'u';
testblock[ 0x0104 ] = ( byte ) 'm';
testblock[ 0x0106 ] = ( byte ) 'm';
testblock[ 0x0108 ] = ( byte ) 'a';
testblock[ 0x010A ] = ( byte ) 'r';
testblock[ 0x010C ] = ( byte ) 'y';
testblock[ 0x0140 ] = ( byte ) 16;
testblock[ 0x0180 ] = ( byte ) 'w';
testblock[ 0x0182 ] = ( byte ) 'i';
testblock[ 0x0184 ] = ( byte ) 'n';
testblock[ 0x0186 ] = ( byte ) 't';
testblock[ 0x0188 ] = ( byte ) 'e';
testblock[ 0x018A ] = ( byte ) 'r';
testblock[ 0x018C ] = ( byte ) 'y';
testblock[ 0x01C0 ] = ( byte ) 16;
testblock[ 0x0200 ] = ( byte ) 'f';
testblock[ 0x0202 ] = ( byte ) 'o';
testblock[ 0x0204 ] = ( byte ) 'o';
testblock[ 0x0240 ] = ( byte ) 8;
verifyCorrect(blocks, testblock);
}
private static void setDefaultBlock(byte [] testblock, int j)
{
int base = j * 128;
int index = 0;
for (; index < 0x40; index++)
{
testblock[ base++ ] = ( byte ) 0;
}
testblock[ base++ ] = ( byte ) 2;
testblock[ base++ ] = ( byte ) 0;
index += 2;
for (; index < 0x44; index++)
{
testblock[ base++ ] = ( byte ) 0;
}
for (; index < 0x50; index++)
{
testblock[ base++ ] = ( byte ) 0xff;
}
for (; index < 0x80; index++)
{
testblock[ base++ ] = ( byte ) 0;
}
}
private static void verifyCorrect(BlockWritable[] blocks, byte[] testblock)
throws IOException {
ByteArrayOutputStream stream = new ByteArrayOutputStream(512
* blocks.length);
for (BlockWritable b : blocks) {
b.writeBlocks(stream);
}
byte[] output = stream.toByteArray();
assertEquals(testblock.length, output.length);
for (int j = 0; j < testblock.length; j++) {
assertEquals("mismatch at offset " + j, testblock[ j ],
output[ j ]);
}
}
}