1 files changed, 24 insertions, 1 deletions
diff --git a/activesupport/test/ordered_hash_test.rb b/activesupport/test/ordered_hash_test.rb
index 647938dd87..15bd57181f 100644
--- a/activesupport/test/ordered_hash_test.rb
+++ b/activesupport/test/ordered_hash_test.rb
@@ -163,9 +163,32 @@ class OrderedHashTest < Test::Unit::TestCase
     assert @ordered_hash.inspect.include?(@hash.inspect)
   end
 
-  def test_alternate_initialization
+  def test_alternate_initialization_with_splat
     alternate = ActiveSupport::OrderedHash[1,2,3,4]
     assert_kind_of ActiveSupport::OrderedHash, alternate
     assert_equal [1, 3], alternate.keys
   end
+
+  def test_alternate_initialization_with_array
+    alternate = ActiveSupport::OrderedHash[ [
+      [1, 2],
+      [3, 4],
+      "bad key value pair",
+      [ 'missing value' ]
+    ]]
+
+    assert_kind_of ActiveSupport::OrderedHash, alternate
+    assert_equal [1, 3, 'missing value'], alternate.keys
+    assert_equal [2, 4, nil ], alternate.values
+  end
+
+  def test_alternate_initialization_raises_exception_on_odd_length_args
+    begin
+      alternate = ActiveSupport::OrderedHash[1,2,3,4,5]
+      flunk "Hash::[] should have raised an exception on initialization " +
+          "with an odd number of parameters"
+    rescue
+      assert_equal "odd number of arguments for Hash", $!.message
+    end
+  end
 end