# $FreeBSD: head/bin/sh/tests/builtins/case10.0 223546 2011-06-25 20:37:43Z jilles $ case ! in [\!!]) ;; *) echo Failed at $LINENO ;; esac case ! in ['!'!]) ;; *) echo Failed at $LINENO ;; esac case ! in ["!"!]) ;; *) echo Failed at $LINENO ;; esac