From a9ba8c62fd99611bd12e0696d68f870e1c36000d Mon Sep 17 00:00:00 2001
From: Jim Menard <jim@10gen.com>
Date: Fri, 9 Jan 2009 13:54:12 -0500
Subject: [PATCH] Added OrderedHash#inspect which preserves key order

---
 lib/mongo/util/ordered_hash.rb | 6 ++++++
 tests/test_ordered_hash.rb     | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/lib/mongo/util/ordered_hash.rb b/lib/mongo/util/ordered_hash.rb
index 568d7e5..209f4e5 100644
--- a/lib/mongo/util/ordered_hash.rb
+++ b/lib/mongo/util/ordered_hash.rb
@@ -51,4 +51,10 @@ class OrderedHash < Hash
     super(other)
   end
 
+  def inspect
+    str = '{'
+    str << @ordered_keys.collect { |k| "\"#{k}\"=>#{self.[](k).inspect}" }.join(", ")
+    str << '}'
+  end
+
 end
diff --git a/tests/test_ordered_hash.rb b/tests/test_ordered_hash.rb
index 3b6b7d5..60ea830 100644
--- a/tests/test_ordered_hash.rb
+++ b/tests/test_ordered_hash.rb
@@ -79,4 +79,8 @@ class OrderedHashTest < Test::Unit::TestCase
     assert_equal ['crab', 'apple', 3, 'foo'], @oh.values
   end
 
+  def test_inspect_retains_order
+    assert_equal '{"c"=>1, "a"=>2, "z"=>3}', @oh.inspect
+  end
+
 end