From 94b2c8c32d00e101b306875b86abf11b28b55699 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Thu, 8 Mar 2012 16:12:49 -0800
Subject: [PATCH] ensure that released connections move between threads

---
 .../test/cases/connection_pool_test.rb         | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/activerecord/test/cases/connection_pool_test.rb b/activerecord/test/cases/connection_pool_test.rb
index ea3b15901553e..dd0acfdd030d1 100644
--- a/activerecord/test/cases/connection_pool_test.rb
+++ b/activerecord/test/cases/connection_pool_test.rb
@@ -31,6 +31,24 @@ def active_connections(pool)
         pool.connections.find_all(&:in_use?)
       end
 
+      def test_released_connection_moves_between_threads
+        thread_conn = nil
+
+        Thread.new {
+          pool.with_connection do |conn|
+            thread_conn = conn
+          end
+        }.join
+
+        assert thread_conn
+
+        Thread.new {
+          pool.with_connection do |conn|
+            assert_equal thread_conn, conn
+          end
+        }.join
+      end
+
       def test_with_connection
         assert_equal 0, active_connections(pool).size