test: delete testlib

It is unused as of e7173dfd.

Change-Id: I3e4ea3fc66cf0a768ff28172a151b244952eefc9
Reviewed-on: https://go-review.googlesource.com/2093Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

test/testlib

-# Copyright 2012 The Go Authors.  All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# These function names are also known to
-# (and are the plan for transitioning to) run.go.
-
-# helper (not known to run.go)
-# group file list by packages and return list of packages
-# each package is a comma-separated list of go files.
-pkgs() {
-	pkglist=$(grep -h '^package ' $* | awk '{print $2}' | sort -u)
-	for p in $pkglist
-	do
-		echo $(grep -l "^package $p\$" $*) | tr ' ' ,
-	done | sort
-}
-
-_match() {
-	case $1 in
-	*,*)
-		#echo >&2 "match comma separated $1"
-		first=$(echo $1 | sed 's/,.*//')
-		rest=$(echo $1 | sed 's/[^,]*,//')
-		if _match $first && _match $rest; then
-			return 0
-		fi
-		return 1
-		;;
-	'!'*)
-		#echo >&2 "match negation $1"
-		neg=$(echo $1 | sed 's/^!//')
-		if _match $neg; then
-			return 1
-		fi
-		return 0
-		;;
-	$GOARCH|$GOOS)
-		#echo >&2 "match GOARCH or GOOS $1"
-		return 0
-		;;
-	esac
-	return 1
-}
-
-# +build aborts execution if the supplied tags don't match,
-# i.e. none of the tags (x or !x) matches GOARCH or GOOS.
-+build() {
-	if (( $# == 0 )); then
-		return
-	fi
-	m=0
-	for tag; do
-		if _match $tag; then
-			m=1
-		fi
-	done
-	if [ $m = 0 ]; then
-		#echo >&2 no match
-		exit 0
-	fi
-	unset m
-}
-
-compile() {
-	$G $D/$F.go
-}
-
-compiledir() {
-	for pkg in $(pkgs $D/$F.dir/*.go)
-	do
-		$G -I . $(echo $pkg | tr , ' ') || return 1
-	done
-}
-
-errorcheckdir() {
-	lastzero=""
-	if [ "$1" = "-0" ]; then
-		lastzero="-0"
-	fi
-	pkgs=$(pkgs $D/$F.dir/*.go)
-	for pkg in $pkgs.last
-	do
-		zero="-0"
-		case $pkg in
-		*.last)
-			pkg=$(echo $pkg |sed 's/\.last$//')
-			zero=$lastzero
-		esac
-		errchk $zero $G -D . -I . -e $(echo $pkg | tr , ' ')
-	done
-}
-
-rundir() {
-	lastfile=""
-	for pkg in $(pkgs $D/$F.dir/*.go)
-	do
-		name=$(echo $pkg | sed 's/\.go.*//; s/.*\///')
-		$G -D . -I . -e $(echo $pkg | tr , ' ') || return 1
-		lastfile=$name
-	done
-	$L -o $A.out -L . $lastfile.$A
-	./$A.out
-}
-
-rundircmpout() {
-	lastfile=""
-	for pkg in $(pkgs $D/$F.dir/*.go)
-	do
-		name=$(echo $pkg | sed 's/\.go.*//; s/.*\///')
-		$G -D . -I . -e $(echo $pkg | tr , ' ') || return 1
-		lastfile=$name
-	done
-	$L -o $A.out -L . $lastfile.$A
-	./$A.out 2>&1 | cmp - $D/$F.out
-}
-
-build() {
-	$G $D/$F.go && $L $F.$A
-}
-
-runoutput() {
-	go run "$D/$F.go" "$@" > tmp.go
-	go run tmp.go
-}
-
-run() {
-	gofiles=""
-	ingo=true
-	while $ingo; do
-		case "$1" in
-		*.go)
-			gofiles="$gofiles $1"
-			shift
-			;;
-		*)
-			ingo=false
-			;;
-		esac
-	done
-
-	$G $D/$F.go $gofiles && $L $F.$A && ./$A.out "$@"
-}
-
-cmpout() {
-	$G $D/$F.go && $L $F.$A && ./$A.out 2>&1 | cmp - $D/$F.out
-}
-
-errorcheck() {
-	zero=""
-	if [ "$1" = "-0" ]; then
-		zero="-0"
-		shift
-	fi
-	errchk $zero $G -e $* $D/$F.go
-}
-
-errorcheckoutput() {
-	zero=""
-	if [ "$1" = "-0" ]; then
-		zero="-0"
-		shift
-	fi
-	go run "$D/$F.go" "$@" > tmp.go
-	errchk $zero $G -e tmp.go
-}
-
-skip() {
-	true
-}