}
	if cap(b) != capWidth {
		t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
	}

	bufPool.Put(b)

	// Close the channel so we can iterate over it.
	close(bufPool.c)

	// Check the size of the pool.
	if uint64(len(bufPool.c)) != size {
		t.Fatalf("bytepool size invalid: got %v want %v", len(bufPool.c), size)
	}

	claims.Subject = "test"
	j := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
	tk, _ := j.SignedString([]byte("HelloSecret"))
	return tk
}

func TestParserParse(t *testing.T) {
	// Iterate over test data set and run tests
	for _, data := range jwtTestData {
		data := data
		t.Run(data.name, func(t *testing.T) {
			// Parse the token
			var err error

			// Figure out correct claims type

##
## readlink() {
##     return /bin/readlink -f "$1"
## }
##
readlink() {
	TARGET_FILE=$1

	cd $(dirname $TARGET_FILE)
	TARGET_FILE=$(basename $TARGET_FILE)

	# Iterate down a (possible) chain of symlinks
	while [ -L "$TARGET_FILE" ]; do
		TARGET_FILE=$(env readlink $TARGET_FILE)
		cd $(dirname $TARGET_FILE)
		TARGET_FILE=$(basename $TARGET_FILE)
	done