From 55fba179f0f41261704fbccd322089c4fa5e1ba1 Mon Sep 17 00:00:00 2001
From: FelisCatus <catusx@gmail.com>
Date: Fri, 22 May 2015 21:54:42 +0800
Subject: [PATCH] Escape back slashes in shExp2RegExp. Add unit tests. Fix
 #473.

---
 omega-pac/src/shexp_utils.coffee  | 2 +-
 omega-pac/test/shexp_utils.coffee | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/omega-pac/src/shexp_utils.coffee b/omega-pac/src/shexp_utils.coffee
index 05931c7..27d78b4 100644
--- a/omega-pac/src/shexp_utils.coffee
+++ b/omega-pac/src/shexp_utils.coffee
@@ -1,6 +1,6 @@
 module.exports = exports =
   regExpMetaChars: do ->
-    chars = '''[\^$.|?*+(){}/'''
+    chars = '''\\[\^$.|?*+(){}/'''
     set = {}
     for i in [0...chars.length]
       set[chars.charCodeAt(i)] = true
diff --git a/omega-pac/test/shexp_utils.coffee b/omega-pac/test/shexp_utils.coffee
index 56452cc..e94af06 100644
--- a/omega-pac/test/shexp_utils.coffee
+++ b/omega-pac/test/shexp_utils.coffee
@@ -13,3 +13,7 @@ describe 'ShexpUtils', ->
     it 'should know the difference between escaped and unescaped slashes', ->
       regex = ShexpUtils.escapeSlash '\\\\/\\/test\\/'
       regex.should.equal '\\\\\\/\\/test\\/'
+  describe '#shExp2RegExp', ->
+    it 'should escape regex meta chars and back slashes', ->
+      regex = ShexpUtils.shExp2RegExp 'this.is|a\\test+'
+      regex.should.equal '^this\\.is\\|a\\\\test\\+$'