From b512e61ca02ad5ebdfb08581e87bbc0791009684 Mon Sep 17 00:00:00 2001
From: charliesome <charliesome@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 8 Jun 2013 10:48:33 +0000
Subject: * class.c (include_modules_at): invalidate method cache if included  
 module contains constants

* test/ruby/test_module.rb: add test

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41175 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_module.rb | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'test/ruby/test_module.rb')

diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb
index fa7a408ede..816e5dc1ff 100644
--- a/test/ruby/test_module.rb
+++ b/test/ruby/test_module.rb
@@ -1759,6 +1759,26 @@ class TestModule < Test::Unit::TestCase
     assert_raise(NoMethodError, bug8284) {Object.define_method}
   end
 
+  def test_include_module_with_constants_invalidates_method_cache
+    assert_in_out_err([], <<-RUBY, %w(123 456), [])
+      A = 123
+
+      class Foo
+        def self.a
+          A
+        end
+      end
+
+      module M
+        A = 456
+      end
+
+      puts Foo.a
+      Foo.send(:include, M)
+      puts Foo.a
+    RUBY
+  end
+
   private
 
   def assert_top_method_is_private(method)
-- 
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