From 702c13edd7bcbf17007f4367f6c086f468c22313 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 16 Sep 2015 11:39:29 +0000
Subject: variable.c: fail if frozen

* variable.c (set_const_visibility): fail if the class/module is
  frozen.  [ruby-core:70828] [Bug #11532]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_module.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb
index 18db88f04a..e04152f845 100644
--- a/test/ruby/test_module.rb
+++ b/test/ruby/test_module.rb
@@ -1948,6 +1948,25 @@ class TestModule < Test::Unit::TestCase
     end
   end
 
+  def test_frozen_visibility
+    bug11532 = '[ruby-core:70828] [Bug #11532]'
+
+    c = Class.new {const_set(:A, 1)}.freeze
+    assert_raise_with_message(RuntimeError, /frozen class/, bug11532) {
+      c.class_eval {private_constant :A}
+    }
+
+    c = Class.new {const_set(:A, 1); private_constant :A}.freeze
+    assert_raise_with_message(RuntimeError, /frozen class/, bug11532) {
+      c.class_eval {public_constant :A}
+    }
+
+    c = Class.new {const_set(:A, 1)}.freeze
+    assert_raise_with_message(RuntimeError, /frozen class/, bug11532) {
+      c.class_eval {deprecate_constant :A}
+    }
+  end
+
   def test_singleton_class_ancestors
     feature8035 = '[ruby-core:53171]'
     obj = Object.new
-- 
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