From 719a98a25e0761bec395bfb09dff17d493899498 Mon Sep 17 00:00:00 2001
From: Justin Li <jli.justinli@gmail.com>
Date: Tue, 2 Jun 2015 14:32:39 -0400
Subject: [PATCH] Ensure raw tag has no arguments

---
 lib/liquid/locales/en.yml             | 1 +
 lib/liquid/tags/raw.rb                | 9 +++++++++
 test/integration/tags/raw_tag_test.rb | 3 ++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/liquid/locales/en.yml b/lib/liquid/locales/en.yml
index 3e7460c..e69eb3e 100644
--- a/lib/liquid/locales/en.yml
+++ b/lib/liquid/locales/en.yml
@@ -1,6 +1,7 @@
 ---
   errors:
     syntax:
+      tag_unexpected_args: "Syntax Error in '%{tag}' - Valid syntax: %{tag}"
       assign: "Syntax Error in 'assign' - Valid syntax: assign [var] = [source]"
       capture: "Syntax Error in 'capture' - Valid syntax: capture [var]"
       case: "Syntax Error in 'case' - Valid syntax: case [condition]"
diff --git a/lib/liquid/tags/raw.rb b/lib/liquid/tags/raw.rb
index 307f71a..5cdd957 100644
--- a/lib/liquid/tags/raw.rb
+++ b/lib/liquid/tags/raw.rb
@@ -1,7 +1,16 @@
 module Liquid
   class Raw < Block
+    Syntax = /\A\s*\z/om
     FullTokenPossiblyInvalid = /\A(.*)#{TagStart}\s*(\w+)\s*(.*)?#{TagEnd}\z/om
 
+    def initialize(tag_name, markup, options)
+      super
+
+      unless markup =~ Syntax
+        raise SyntaxError.new(@options[:locale].t("errors.syntax.tag_unexpected_args".freeze, tag: tag_name))
+      end
+    end
+
     def parse(tokens)
       @body = ''
       while token = tokens.shift
diff --git a/test/integration/tags/raw_tag_test.rb b/test/integration/tags/raw_tag_test.rb
index ef3e7a6..349eadc 100644
--- a/test/integration/tags/raw_tag_test.rb
+++ b/test/integration/tags/raw_tag_test.rb
@@ -24,6 +24,7 @@ class RawTagTest < Minitest::Test
   end
 
   def test_invalid_raw
-    assert_match_syntax_error /tag was never closed/, '{% raw } foo {% endraw %}'
+    assert_match_syntax_error /tag was never closed/, '{% raw %} foo'
+    assert_match_syntax_error /Valid syntax/, '{% raw } foo %}{% endraw %}'
   end
 end