public void testCreateData() throws StorageFileException, IOException, WrongKeyException {
long indexFree = 25L;
long indexConversation = 13L;
int version = 32;
Header header = Header.createHeader();
header.setIndexEmpty(indexFree);
header.setIndexConversations(indexConversation);
header.setVersion(version);
header.saveToFile();
byte[] dataAll = Storage.getDatabase().getEntry(0);
// chunk length
assertEquals(dataAll.length, Storage.CHUNK_SIZE);
// plain header
assertEquals(dataAll[0], (byte) 0x53); // S
assertEquals(dataAll[1], (byte) 0x4D); // M
assertEquals(dataAll[2], (byte) 0x53); // S
assertEquals(dataAll[3], (byte) version); // Version
// decrypt the encoded part
ByteBuffer buf = ByteBuffer.allocate(Storage.CHUNK_SIZE - 4);
buf.put(dataAll, 4, Storage.CHUNK_SIZE - 4);
byte[] dataPlain = Encryption.decryptSymmetric(buf.array(), Encryption.retreiveEncryptionKey());
// check the indices
assertEquals(
LowLevel.getUnsignedInt(
dataPlain, Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD - 8),
indexFree);
assertEquals(
LowLevel.getUnsignedInt(
dataPlain, Storage.CHUNK_SIZE - 4 - Encryption.ENCRYPTION_OVERHEAD - 4),
indexConversation);
}
