private void assertHandlesLogTruncation(XaCommand cmd) throws IOException {
inMemoryBuffer.reset();
cmd.writeToFile(inMemoryBuffer);
int bytesSuccessfullyWritten = inMemoryBuffer.bytesWritten();
assertEquals(cmd, Command.readCommand(null, null, inMemoryBuffer, ByteBuffer.allocate(100)));
bytesSuccessfullyWritten--;
while (bytesSuccessfullyWritten-- > 0) {
inMemoryBuffer.reset();
cmd.writeToFile(inMemoryBuffer);
inMemoryBuffer.truncateTo(bytesSuccessfullyWritten);
Command deserialized =
Command.readCommand(null, null, inMemoryBuffer, ByteBuffer.allocate(100));
assertNull(
"Deserialization did not detect log truncation! Record: "
+ cmd
+ ", deserialized: "
+ deserialized,
deserialized);
}
}
