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More NPOIFS ministore tests

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1678767 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-05-11 15:20:42 +00:00
parent 89890a247a
commit 794e2b95fa
1 changed files with 48 additions and 0 deletions
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48
src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSMiniStore.java
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@ -17,6 +17,7 @@
package org.apache.poi.poifs.filesystem; package org.apache.poi.poifs.filesystem;
import java.io.ByteArrayInputStream;
import java.nio.ByteBuffer; import java.nio.ByteBuffer;
import java.util.Iterator; import java.util.Iterator;
@ -332,4 +333,51 @@ public final class TestNPOIFSMiniStore extends TestCase {
fs.close(); fs.close();
} }
public void testCreateMiniStoreFirst() throws Exception {
NPOIFSFileSystem fs = new NPOIFSFileSystem();
NPOIFSMiniStore ministore = fs.getMiniStore();
// Initially has BAT + Properties but nothing else
assertEquals(POIFSConstants.FAT_SECTOR_BLOCK, fs.getNextBlock(0));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(1));
assertEquals(POIFSConstants.UNUSED_BLOCK, fs.getNextBlock(2));
// Ministore has no blocks, so can't iterate until used
try {
ministore.getNextBlock(0);
} catch (IndexOutOfBoundsException e) {}
// Write a very small new document, will populate the ministore for us
byte[] data = new byte[8];
for (int i=0; i<data.length; i++) {
data[i] = (byte)(i+42);
}
fs.getRoot().createDocument("mini", new ByteArrayInputStream(data));
// Should now have a mini-fat and a mini-stream
assertEquals(POIFSConstants.FAT_SECTOR_BLOCK, fs.getNextBlock(0));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(1));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(2));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(3));
assertEquals(POIFSConstants.UNUSED_BLOCK, fs.getNextBlock(4));
assertEquals(POIFSConstants.END_OF_CHAIN, ministore.getNextBlock(0));
assertEquals(POIFSConstants.UNUSED_BLOCK, ministore.getNextBlock(1));
// Re-fetch the mini store, and add it a second time
ministore = fs.getMiniStore();
fs.getRoot().createDocument("mini2", new ByteArrayInputStream(data));
// Main unchanged, ministore has a second
assertEquals(POIFSConstants.FAT_SECTOR_BLOCK, fs.getNextBlock(0));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(1));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(2));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(3));
assertEquals(POIFSConstants.UNUSED_BLOCK, fs.getNextBlock(4));
assertEquals(POIFSConstants.END_OF_CHAIN, ministore.getNextBlock(0));
assertEquals(POIFSConstants.END_OF_CHAIN, ministore.getNextBlock(1));
assertEquals(POIFSConstants.UNUSED_BLOCK, ministore.getNextBlock(2));
// Done
fs.close();
}
} }