From 00f53b16e8318d75810cd7eb2ea840abc9dce805 Mon Sep 17 00:00:00 2001
From: Gaurav Chande <gmail@gauravchande.com>
Date: Thu, 2 Jun 2016 15:41:48 -0400
Subject: [PATCH] Prevent Range usage in templates from blowing up

---
 lib/liquid/extensions.rb          |  6 ++++++
 test/integration/template_test.rb | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/lib/liquid/extensions.rb b/lib/liquid/extensions.rb
index ccad59e..d35bcea 100644
--- a/lib/liquid/extensions.rb
+++ b/lib/liquid/extensions.rb
@@ -25,6 +25,12 @@ class Numeric # :nodoc:
   end
 end
 
+class Range # :nodoc:
+  def to_liquid
+    self
+  end
+end
+
 class Time # :nodoc:
   def to_liquid
     self
diff --git a/test/integration/template_test.rb b/test/integration/template_test.rb
index afe1493..8ad616d 100644
--- a/test/integration/template_test.rb
+++ b/test/integration/template_test.rb
@@ -306,4 +306,14 @@ class TemplateTest < Minitest::Test
       t.render!({ 'x' => 'foo' }, { strict_filters: true })
     end
   end
+
+  def test_using_range_literal_works_as_expected
+    t = Template.parse("{% assign foo = (x..y) %}{{ foo }}")
+    result = t.render({ 'x' => 1, 'y' => 5 })
+    assert_equal '1..5', result
+
+    t = Template.parse("{% assign nums = (x..y) %}{% for num in nums %}{{ num }}{% endfor %}")
+    result = t.render({ 'x' => 1, 'y' => 5 })
+    assert_equal '12345', result
+  end
 end