public void fireTransferProgress() {
byte[] buffer = new byte[0];
int length = 0;
this.transferListenerSupport.fireTransferProgress(this.resource, REQUEST_TYPE, buffer, length);
verify(this.transferListener).transferProgress(
eq(new TransferEvent(this.wagon, this.resource, TransferEvent.TRANSFER_PROGRESS, REQUEST_TYPE)),
Matchers.eq(buffer), Matchers.eq(length));
}