From bff3f1818977389601c8caf5677b32e52e367974 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 10 Nov 2016 10:39:51 +0000
Subject: range.c: check if range modifiable

* range.c (range_modify): frozen object cannot be modified.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56693 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_range.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index cfd8b502ed..a70361d6cb 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -11,6 +11,12 @@ class TestRange < Test::Unit::TestCase
     assert_equal((0...2), Range.new(0, 2, true))
   end
 
+  def test_frozen_initialize
+    r = Range.allocate
+    r.freeze
+    assert_raise(RuntimeError){r.__send__(:initialize, 1, 2)}
+  end
+
   def test_range_string
     # XXX: Is this really the test of Range?
     assert_equal([], ("a" ... "a").to_a)
-- 
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