1 files changed, 16 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/hstore_test.rb b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
index cd45975f70..671d8211a7 100644
--- a/activerecord/test/cases/adapters/postgresql/hstore_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
@@ -153,6 +153,22 @@ class PostgresqlHstoreTest < ActiveRecord::PostgreSQLTestCase
     assert_equal "GMT", y.timezone
   end
 
+  def test_changes_with_store_accessors
+    x = Hstore.new(language: "de")
+    assert x.language_changed?
+    assert_nil x.language_was
+    assert_equal [nil, "de"], x.language_change
+    x.save!
+
+    assert_not x.language_changed?
+    x.reload
+
+    x.settings = nil
+    assert x.language_changed?
+    assert_equal "de", x.language_was
+    assert_equal ["de", nil], x.language_change
+  end
+
   def test_changes_in_place
     hstore = Hstore.create!(settings: { "one" => "two" })
     hstore.settings["three"] = "four"