make TestDecoderDecode a table-driven test, in prep for more tests
make TestDecoderDecode a table-driven test, in prep for more tests

DramaFever/golang.org-x-net,gomini/net,cmars/tools,albertjin/golang-net,raboof/net,DramaFever/golang.org-x-net,cmars/tools,gomini/net,albertjin/golang-net,golang/net,cesanta/goxnet,cmars/tools,cmars/tools,cesanta/goxnet,raboof/net