1 files changed, 29 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/session/cache_store_test.rb b/actionpack/test/dispatch/session/cache_store_test.rb
index dbb996973d..b911392cf1 100644
--- a/actionpack/test/dispatch/session/cache_store_test.rb
+++ b/actionpack/test/dispatch/session/cache_store_test.rb
@@ -12,6 +12,11 @@ class CacheStoreTest < ActionDispatch::IntegrationTest
       head :ok
     end
 
+    def set_deep_session_value
+      session[:foo] = { bar: "baz" }
+      head :ok
+    end
+
     def set_serialized_session_value
       session[:foo] = SessionAutoloadTest::Foo.new
       head :ok
@@ -21,6 +26,14 @@ class CacheStoreTest < ActionDispatch::IntegrationTest
       render plain: "foo: #{session[:foo].inspect}"
     end
 
+    def get_deep_session_value_with_symbol
+      render plain: "foo: { bar: #{session[:foo][:bar].inspect} }"
+    end
+
+    def get_deep_session_value_with_string
+      render plain: "foo: { \"bar\" => #{session[:foo]["bar"].inspect} }"
+    end
+
     def get_session_id
       render plain: "#{request.session.id}"
     end
@@ -160,6 +173,22 @@ class CacheStoreTest < ActionDispatch::IntegrationTest
     end
   end
 
+  def test_previous_session_has_indifferent_access
+    with_test_route_set do
+      get '/set_deep_session_value'
+      assert_response :success
+      assert cookies['_session_id']
+
+      get '/get_deep_session_value_with_symbol'
+      assert_response :success
+      assert_equal 'foo: { bar: "baz" }', response.body
+
+      get '/get_deep_session_value_with_string'
+      assert_response :success
+      assert_equal 'foo: { "bar" => "baz" }', response.body
+    end
+  end
+
   private
     def with_test_route_set
       with_routing do |set|