public void testCopyRecursively() throws Exception {
POIFSFileSystem fsD = new POIFSFileSystem();
POIFSFileSystem fs = new POIFSFileSystem();
DirectoryEntry dirA = fs.createDirectory("DirA");
DirectoryEntry dirB = fs.createDirectory("DirB");
DocumentEntry entryR = fs.createDocument(new ByteArrayInputStream(dataSmallA), "EntryRoot");
DocumentEntry entryA1 = dirA.createDocument("EntryA1", new ByteArrayInputStream(dataSmallA));
DocumentEntry entryA2 = dirA.createDocument("EntryA2", new ByteArrayInputStream(dataSmallB));
// Copy docs
assertEquals(0, fsD.getRoot().getEntryCount());
EntryUtils.copyNodeRecursively(entryR, fsD.getRoot());
assertEquals(1, fsD.getRoot().getEntryCount());
assertNotNull(fsD.getRoot().getEntry("EntryRoot"));
EntryUtils.copyNodeRecursively(entryA1, fsD.getRoot());
assertEquals(2, fsD.getRoot().getEntryCount());
assertNotNull(fsD.getRoot().getEntry("EntryRoot"));
assertNotNull(fsD.getRoot().getEntry("EntryA1"));
EntryUtils.copyNodeRecursively(entryA2, fsD.getRoot());
assertEquals(3, fsD.getRoot().getEntryCount());
assertNotNull(fsD.getRoot().getEntry("EntryRoot"));
assertNotNull(fsD.getRoot().getEntry("EntryA1"));
assertNotNull(fsD.getRoot().getEntry("EntryA2"));
// Copy directories
fsD = new POIFSFileSystem();
assertEquals(0, fsD.getRoot().getEntryCount());
EntryUtils.copyNodeRecursively(dirB, fsD.getRoot());
assertEquals(1, fsD.getRoot().getEntryCount());
assertNotNull(fsD.getRoot().getEntry("DirB"));
assertEquals(0, ((DirectoryEntry) fsD.getRoot().getEntry("DirB")).getEntryCount());
EntryUtils.copyNodeRecursively(dirA, fsD.getRoot());
assertEquals(2, fsD.getRoot().getEntryCount());
assertNotNull(fsD.getRoot().getEntry("DirB"));
assertEquals(0, ((DirectoryEntry) fsD.getRoot().getEntry("DirB")).getEntryCount());
assertNotNull(fsD.getRoot().getEntry("DirA"));
assertEquals(2, ((DirectoryEntry) fsD.getRoot().getEntry("DirA")).getEntryCount());
// Copy the whole lot
fsD = new POIFSFileSystem();
assertEquals(0, fsD.getRoot().getEntryCount());
EntryUtils.copyNodes(fs, fsD, new ArrayList<String>());
assertEquals(3, fsD.getRoot().getEntryCount());
assertNotNull(fsD.getRoot().getEntry(dirA.getName()));
assertNotNull(fsD.getRoot().getEntry(dirB.getName()));
assertNotNull(fsD.getRoot().getEntry(entryR.getName()));
assertEquals(0, ((DirectoryEntry) fsD.getRoot().getEntry("DirB")).getEntryCount());
assertEquals(2, ((DirectoryEntry) fsD.getRoot().getEntry("DirA")).getEntryCount());
}
