From ba2d8fcf7642edf0873105e8d7fdd957438e6972 Mon Sep 17 00:00:00 2001
From: Matthew Martin <phy1729@gmail.com>
Date: Sun, 6 Jan 2019 21:23:46 -0600
Subject: [PATCH] tests: Run tests in an anon function to catch global
 variables

This would have caught #593.
---
 tests/test-highlighting.zsh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/test-highlighting.zsh b/tests/test-highlighting.zsh
index 595ebc9..8e61cbb 100755
--- a/tests/test-highlighting.zsh
+++ b/tests/test-highlighting.zsh
@@ -33,6 +33,7 @@ setopt NO_UNSET WARN_CREATE_GLOBAL
 
 local -r root=${0:h:h}
 
+(){
 # Check an highlighter was given as argument.
 [[ -n "$1" ]] || {
   echo >&2 "Bail out! You must provide the name of a valid highlighter as argument."
@@ -219,3 +220,4 @@ for data_file in $root/highlighters/$1/test-data/*.zsh; do
 done
 
 exit $something_failed
+} "$@"