1 files changed, 9 insertions, 15 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 4544edf0dd..1cd10eb6e2 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -363,21 +363,6 @@ class HashExtTest < ActiveSupport::TestCase
     assert_equal expected, hash_1
   end
 
-  def test_deep_dup
-    hash = { :a => { :b => 'b' } }
-    dup = hash.deep_dup
-    dup[:a][:c] = 'c'
-    assert_equal nil, hash[:a][:c]
-    assert_equal 'c', dup[:a][:c]
-  end
-
-  def test_deep_dup_initialize
-    zero_hash = Hash.new 0
-    hash = { :a => zero_hash }
-    dup = hash.deep_dup
-    assert_equal 0, dup[:a][44]
-  end
-
   def test_store_on_indifferent_access
     hash = HashWithIndifferentAccess.new
     hash.store(:test1, 1)
@@ -388,6 +373,15 @@ class HashExtTest < ActiveSupport::TestCase
     assert_equal expected, hash
   end
 
+  def test_constructor_on_indifferent_access
+    hash = HashWithIndifferentAccess[:foo, 1]
+    assert_equal 1, hash[:foo]
+    assert_equal 1, hash['foo']
+    hash[:foo] = 3
+    assert_equal 3, hash[:foo]
+    assert_equal 3, hash['foo']
+  end
+
   def test_reverse_merge
     defaults = { :a => "x", :b => "y", :c => 10 }.freeze
     options  = { :a => 1, :b => 2 }