103 lines
3.4 KiB
Java
103 lines
3.4 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hdgf.streams;
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import java.io.InputStream;
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import org.apache.poi.hdgf.HDGFDiagram;
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import org.apache.poi.hdgf.chunks.ChunkFactory;
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import org.apache.poi.hdgf.pointers.Pointer;
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import org.apache.poi.hdgf.pointers.PointerFactory;
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import org.apache.poi.poifs.filesystem.DocumentEntry;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.POIDataSamples;
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/**
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* Tests for bugs with streams
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*/
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public final class TestStreamBugs extends StreamTest {
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private byte[] contents;
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private ChunkFactory chunkFactory;
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private PointerFactory ptrFactory;
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private POIFSFileSystem filesystem;
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protected void setUp() throws Exception {
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ptrFactory = new PointerFactory(11);
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chunkFactory = new ChunkFactory(11);
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InputStream is = POIDataSamples.getDiagramInstance().openResourceAsStream("44594.vsd");
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filesystem = new POIFSFileSystem(is);
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DocumentEntry docProps =
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(DocumentEntry)filesystem.getRoot().getEntry("VisioDocument");
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// Grab the document stream
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contents = new byte[docProps.getSize()];
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filesystem.createDocumentInputStream("VisioDocument").read(contents);
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}
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public void testGetTrailer() {
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Pointer trailerPointer = ptrFactory.createPointer(contents, 0x24);
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Stream.createStream(trailerPointer, contents, chunkFactory, ptrFactory);
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}
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public void TOIMPLEMENTtestGetCertainChunks() {
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int offsetA = 3708;
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int offsetB = 3744;
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}
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public void testGetChildren() {
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Pointer trailerPointer = ptrFactory.createPointer(contents, 0x24);
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TrailerStream trailer = (TrailerStream)
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Stream.createStream(trailerPointer, contents, chunkFactory, ptrFactory);
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// Get without recursing
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Pointer[] ptrs = trailer.getChildPointers();
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for(int i=0; i<ptrs.length; i++) {
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Stream.createStream(ptrs[i], contents, chunkFactory, ptrFactory);
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}
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// Get with recursing into chunks
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for(int i=0; i<ptrs.length; i++) {
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Stream stream =
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Stream.createStream(ptrs[i], contents, chunkFactory, ptrFactory);
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if(stream instanceof ChunkStream) {
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ChunkStream cStream = (ChunkStream)stream;
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cStream.findChunks();
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}
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}
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// Get with recursing into chunks and pointers
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for(int i=0; i<ptrs.length; i++) {
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Stream stream =
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Stream.createStream(ptrs[i], contents, chunkFactory, ptrFactory);
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if(stream instanceof PointerContainingStream) {
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PointerContainingStream pStream =
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(PointerContainingStream)stream;
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pStream.findChildren(contents);
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}
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}
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trailer.findChildren(contents);
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}
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public void testOpen() throws Exception {
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HDGFDiagram dg = new HDGFDiagram(filesystem);
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}
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}
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