transport nio ByteBuffer junit framework TestCase testautoexpandingbufferwritetransport testcase testit autoexpandingbufferwritetransport autoexpandingbufferwritetransport assertequals t.getbuf array length b1 t.write b1 assertequals t.getpos asserttrue t.getbuf array length assertequals bytebuffer.wrap b1 bytebuffer.wrap t.getbuf array t.reset asserttrue t.getbuf array length assertequals t.getpos b2 t.write b2 assertequals t.getpos assertequals bytebuffer.wrap b2 bytebuffer.wrap t.getbuf array