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Add common code for writing out and reading NPOIFS again, and add a disabled roundtrip test (currently failing...)

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1589895 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-04-24 22:22:06 +00:00
parent 1fc66d1f71
commit a4c8f4f1c9
1 changed files with 57 additions and 6 deletions
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63
src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java
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@ -83,6 +83,13 @@ public final class TestNPOIFSFileSystem {
return header;
}
protected static NPOIFSFileSystem writeOutAndReadBack(NPOIFSFileSystem original) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
original.writeFilesystem(baos);
original.close();
return new NPOIFSFileSystem(new ByteArrayInputStream(baos.toByteArray()));
}
@Test
public void basicOpen() throws Exception {
NPOIFSFileSystem fsA, fsB;
@ -521,11 +528,9 @@ public final class TestNPOIFSFileSystem {
// Now, write it out, and read it back in again fully
ByteArrayOutputStream baos = new ByteArrayOutputStream();
fs.writeFilesystem(baos);
fs = writeOutAndReadBack(fs);
// Check that it is seen correctly
fs = new NPOIFSFileSystem(new ByteArrayInputStream(baos.toByteArray()));
assertBATCount(fs, 237, 2);
assertEquals(false, fs.getBATBlockAndIndex(236*128-1).getBlock().hasFreeSectors());
@ -670,9 +675,7 @@ public final class TestNPOIFSFileSystem {
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getRoot().getProperty().getStartBlock());
// Write and read it
ByteArrayOutputStream baos = new ByteArrayOutputStream();
fs.writeFilesystem(baos);
fs = new NPOIFSFileSystem(new ByteArrayInputStream(baos.toByteArray()));
fs = writeOutAndReadBack(fs);
// Property table entries have been added to the blocks
assertEquals(POIFSConstants.FAT_SECTOR_BLOCK, fs.getNextBlock(0));
@ -795,7 +798,55 @@ public final class TestNPOIFSFileSystem {
// Write and read back
fs = writeOutAndReadBack(fs);
// Check it's all unchanged
// TODO Fix it so that it is....
if (1==0) {
assertEquals(POIFSConstants.FAT_SECTOR_BLOCK, fs.getNextBlock(0));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(1));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(2));
if (fs.getBigBlockSize() == POIFSConstants.SMALLER_BIG_BLOCK_SIZE) {
assertEquals(4, fs.getNextBlock(3));
assertEquals(5, fs.getNextBlock(4));
assertEquals(6, fs.getNextBlock(5));
assertEquals(7, fs.getNextBlock(6));
assertEquals(8, fs.getNextBlock(7));
assertEquals(9, fs.getNextBlock(8));
assertEquals(10, fs.getNextBlock(9));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(10));
assertEquals(12, fs.getNextBlock(11));
assertEquals(13, fs.getNextBlock(12));
assertEquals(14, fs.getNextBlock(13));
assertEquals(15, fs.getNextBlock(14));
assertEquals(16, fs.getNextBlock(15));
assertEquals(17, fs.getNextBlock(16));
assertEquals(18, fs.getNextBlock(17));
assertEquals(19, fs.getNextBlock(18));
assertEquals(20, fs.getNextBlock(19));
assertEquals(21, fs.getNextBlock(20));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(21));
assertEquals(23, fs.getNextBlock(22));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(23));
assertEquals(POIFSConstants.UNUSED_BLOCK, fs.getNextBlock(24));
} else {
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(3));
assertEquals(5, fs.getNextBlock(4));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(5));
assertEquals(7, fs.getNextBlock(6));
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getNextBlock(7));
assertEquals(POIFSConstants.UNUSED_BLOCK, fs.getNextBlock(8));
}
assertEquals(POIFSConstants.END_OF_CHAIN, fs.getRoot().getProperty().getStartBlock());
}
// Check some data
// TODO
// All done
fs.close();
}
@Test