diff --git a/actionpack/test/controller/session/cookie_store_test.rb b/actionpack/test/controller/session/cookie_store_test.rb
index 40fcd56..2d11f35 100644
--- a/actionpack/test/controller/session/cookie_store_test.rb
+++ b/actionpack/test/controller/session/cookie_store_test.rb
@@ -39,6 +39,17 @@ class CookieStoreTest < ActionController::IntegrationTest
       head :ok
     end
 
+    def get_session_id_after_reset_session
+      reset_session
+      render :text => request.session_options[:id]
+    end
+
+    def set_session_value_after_reset_session
+      reset_session
+      session[:foo] = "bar"
+      head :ok
+    end
+
     def raise_data_overflow
       session[:foo] = 'bye!' * 1024
       head :ok
@@ -124,6 +135,37 @@ class CookieStoreTest < ActionController::IntegrationTest
     end
   end
 
+  def test_session_id_is_available_immediately_after_reset_session
+    with_test_route_set do
+      cookies[SessionKey] = SignedBar
+      get '/get_session_id_after_reset_session'
+      assert_response :success
+      assert_not_equal "", response.body
+    end
+  end
+
+  def test_session_id_is_different_immediately_after_reset_session
+    with_test_route_set do
+      cookies[SessionKey] = SignedBar
+      get '/persistent_session_id'
+      session_id = response.body
+      get '/get_session_id_after_reset_session'
+      assert_response :success
+      assert_not_equal session_id, response.body
+    end
+  end
+
+  def test_session_is_usable_immediately_after_reset_session
+    with_test_route_set do
+      cookies[SessionKey] = SignedBar
+      get '/set_session_value_after_reset_session'
+      assert_response :success
+      get '/get_session_value'
+      assert_response :success
+      assert_equal 'foo: "bar"', response.body
+    end
+  end
+
   def test_disregards_tampered_sessions
     with_test_route_set do
       cookies[SessionKey] = "BAh7BjoIZm9vIghiYXI%3D--123456780"
diff --git a/actionpack/test/controller/session/mem_cache_store_test.rb b/actionpack/test/controller/session/mem_cache_store_test.rb
index 2f80a3c..d0965f8 100644
--- a/actionpack/test/controller/session/mem_cache_store_test.rb
+++ b/actionpack/test/controller/session/mem_cache_store_test.rb
@@ -28,6 +28,17 @@ class MemCacheStoreTest < ActionController::IntegrationTest
       head :ok
     end
 
+    def get_session_id_after_reset_session
+      reset_session
+      render :text => request.session_options[:id]
+    end
+
+    def set_session_value_after_reset_session
+      reset_session
+      session[:foo] = "bar"
+      head :ok
+    end
+
     def rescue_action(e) raise end
   end
 
@@ -109,6 +120,35 @@ class MemCacheStoreTest < ActionController::IntegrationTest
         assert_equal nil, cookies['_session_id']
       end
     end
+
+    def test_session_id_is_available_immediately_after_reset_session
+      with_test_route_set do
+        get '/get_session_id_after_reset_session'
+        assert_response :success
+        assert_not_equal "", response.body
+      end
+    end
+
+    def test_session_id_is_different_immediately_after_reset_session
+      with_test_route_set do
+        get '/persistent_session_id'
+        session_id = response.body
+        get '/get_session_id_after_reset_session'
+        assert_response :success
+        assert_not_equal session_id, response.body
+      end
+    end
+
+    def test_session_is_usable_immediately_after_reset_session
+      with_test_route_set do
+        get '/set_session_value_after_reset_session'
+        assert_response :success
+        get '/get_session_value'
+        assert_response :success
+        assert_equal 'foo: "bar"', response.body
+      end
+    end
+
   rescue LoadError, RuntimeError
     $stderr.puts "Skipping MemCacheStoreTest tests. Start memcached and try again."
   end