From d667d0ee4b71ea3d81f9dc5ead4cccfd02152cb1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89tienne=20Barri=C3=A9?= <etienne.barrie@gmail.com>
Date: Fri, 21 May 2010 14:15:00 +0200
Subject: [PATCH] Add test for Hash#slice regarding subclasses

---
 activesupport/test/core_ext/hash_ext_test.rb |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index b2a9731..f8ccb21 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -412,6 +412,16 @@ class HashExtTest < Test::Unit::TestCase
     assert_equal 'bender', slice['login']
   end
 
+  def test_slice_with_subclasses
+    subclass = Class.new(Hash) do
+      def initialize(h) replace(h) end
+    end
+    hash = subclass.new(:a => 1, :b => 2)
+    sliced = hash.slice(:a)
+    expected = {:a => 1}
+    assert_equal expected, sliced
+  end
+
   def test_except
     original = { :a => 'x', :b => 'y', :c => 10 }
     expected = { :a => 'x', :b => 'y' }
-- 
1.7.1