/*
* Copyright (c) 2011, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name "TwelveMonkeys" nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.twelvemonkeys.io.ole2;
import com.twelvemonkeys.io.InputStreamAbstractTestCase;
import com.twelvemonkeys.io.LittleEndianDataOutputStream;
import com.twelvemonkeys.io.MemoryCacheSeekableStream;
import com.twelvemonkeys.io.SeekableInputStream;
import org.junit.Test;
import java.io.*;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Arrays;
import static org.junit.Assert.*;
/**
* CompoundDocument_StreamTestCase
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: haraldk$
* @version $Id: CompoundDocument_StreamTestCase.java,v 1.0 13.10.11 12:01 haraldk Exp$
*/
//@Ignore("Need proper in-memory creation of CompoundDocuments")
public class CompoundDocument_StreamTestCase extends InputStreamAbstractTestCase {
private static final String SAMPLE_DATA = "/Thumbs-camera.db";
protected final CompoundDocument createTestDocument() throws IOException {
URL input = getClass().getResource(SAMPLE_DATA);
assertNotNull("Missing test resource!", input);
assertEquals("Test resource not a file:// resource", "file", input.getProtocol());
try {
return new CompoundDocument(new File(input.toURI()));
}
catch (URISyntaxException e) {
throw new AssertionError(e);
}
}
private SeekableInputStream createRealInputStream() {
try {
Entry first = createTestDocument().getRootEntry().getChildEntries().first();
assertNotNull(first);
return first.getInputStream();
}
catch (IOException e) {
throw new AssertionError(e);
}
}
@Override
protected InputStream makeInputStream(byte[] data) {
try {
// Set up fake document
ByteArrayOutputStream stream = new ByteArrayOutputStream();
LittleEndianDataOutputStream dataStream = new LittleEndianDataOutputStream(stream);
dataStream.write(CompoundDocument.MAGIC); // 8 bytes magic
dataStream.write(new byte[16]); // UUID 16 bytes, all zero
dataStream.write(new byte[]{0x3E, 0, 3, 0}); // version (62), rev (3)
// 28
dataStream.write(new byte[]{(byte) 0xfe, (byte) 0xff}); // Byte order
dataStream.write(new byte[]{9, 0, 6, 0}); // Sector size (1 << x), short sector size
dataStream.write(new byte[10]); // Reserved 10 bytes
// 44
dataStream.writeInt(1); // SAT size (1)
dataStream.writeInt(1); // Directory SId
dataStream.write(new byte[4]); // Reserved 4 bytes
// 56
dataStream.writeInt(4096); // Min stream size (4096)
dataStream.writeInt(3); // Short SAT SId
dataStream.writeInt(1); // Short SAT size
dataStream.writeInt(-2); // Master SAT SId (-2, end of chain)
// 72
dataStream.writeInt(0); // Master SAT size
dataStream.writeInt(0); // Master SAT entry 0 (0)
dataStream.writeInt(128); // Master SAT entry 1 (128)
// 84
dataStream.write(createPad(428, (byte) -1)); // Pad (until 512 bytes)
// 512 -- end header
// SId 0
// SAT
dataStream.writeInt(-3); // SAT entry 0 (SAT)
dataStream.writeInt(-2); // SAT entry 1 (EOS)
dataStream.write(createPad(512 - 8, (byte) -1)); // Pad (until 512 bytes)
// 1024 -- end SAT
// SId 1
// Directory
// 64 bytes UTF16LE ("Root Entry" + null-termination)
byte[] name = "Root Entry".getBytes(Charset.forName("UTF-16LE"));
dataStream.write(name); // Name
dataStream.write(createPad(64 - name.length, (byte) 0)); // Pad name to 64 bytes
dataStream.writeShort((short) (name.length + 2)); // 2 byte length (incl null-term)
dataStream.write(new byte[]{5, 0}); // type (root), node color
dataStream.writeInt(-1); // prevDId, -1
dataStream.writeInt(-1); // nextDId, -1
dataStream.writeInt(1); // rootNodeDId
dataStream.write(createPad(36, (byte) 0)); // UID + flags + 2 x long timestamps
dataStream.writeInt(2); // Start SId
dataStream.writeInt(8); // Stream size
dataStream.writeInt(0); // Reserved
name = "data".getBytes(Charset.forName("UTF-16LE"));
dataStream.write(name); // Name
dataStream.write(createPad(64 - name.length, (byte) 0)); // Pad name to 64 bytes
dataStream.writeShort((short) (name.length + 2)); // 2 byte length (incl null-term)
dataStream.write(new byte[]{2, 0}); // type (user stream), node color
dataStream.writeInt(-1); // prevDId, -1
dataStream.writeInt(-1); // nextDId, -1
dataStream.writeInt(-1); // rootNodeDId
dataStream.write(createPad(36, (byte) 0)); // UID + flags + 2 x long timestamps
dataStream.writeInt(0); // Start SId
dataStream.writeInt(data.length); // Stream size
dataStream.writeInt(0); // Reserved
dataStream.write(createPad(512 - 256, (byte) -1)); // Pad to full sector (512 bytes)
// 1536 -- end Directory
// SId 2
// Data
dataStream.write(data); // The data
dataStream.write(createPad(512 - data.length, (byte) -1)); // Pad to full sector (512 bytes)
// 2048 -- end Data
// SId 3
// Short SAT
dataStream.writeInt(2); // Short SAT entry 0
dataStream.writeInt(-2); // Short SAT entry 1 (EOS)
dataStream.write(createPad(512 - 8, (byte) -1)); // Pad to full sector (512 bytes)
// 2560 -- end Short SAT
InputStream input = new ByteArrayInputStream(stream.toByteArray());
CompoundDocument document = new CompoundDocument(new MemoryCacheSeekableStream(input));
Entry entry = document.getRootEntry().getChildEntries().first();
return entry.getInputStream();
}
catch (IOException e) {
throw new AssertionError(e);
}
}
private byte[] createPad(final int length, final byte val) {
byte[] pad = new byte[length];
Arrays.fill(pad, val);
return pad;
}
// @Ignore
@Test
public void testDev() throws IOException {
InputStream stream = makeInputStream(makeOrderedArray(32));
int read;
int count = 0;
while ((read = stream.read()) >= 0) {
// System.out.printf("read %02d: 0x%02x%n", count, read & 0xFF);
assertEquals(count, read);
count++;
}
assertFalse("Short stream", count < 32);
assertFalse("Stream overrun", count > 32);
}
@Test
public void testInputStreamSkip() throws IOException {
InputStream stream = makeInputStream();
// BUGFIX: Would skip and return 0 for first skip
assertTrue(stream.skip(10) > 0);
}
}