3 files changed, 18 insertions, 20 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/hstore_test.rb b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
index 67a610b459..1fef4899be 100644
--- a/activerecord/test/cases/adapters/postgresql/hstore_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
@@ -142,6 +142,16 @@ class PostgresqlHstoreTest < ActiveRecord::TestCase
       assert_equal "GMT", x.timezone
     end
 
+    def test_duplication_with_store_accessors
+      x = Hstore.new(language: "fr", timezone: "GMT")
+      assert_equal "fr", x.language
+      assert_equal "GMT", x.timezone
+
+      y = x.dup
+      assert_equal "fr", y.language
+      assert_equal "GMT", y.timezone
+    end
+
     def test_gen1
       assert_equal(%q(" "=>""), @column.class.hstore_to_string({' '=>''}))
     end
diff --git a/activerecord/test/cases/adapters/postgresql/json_test.rb b/activerecord/test/cases/adapters/postgresql/json_test.rb
index d25f8bf958..03b546119d 100644
--- a/activerecord/test/cases/adapters/postgresql/json_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/json_test.rb
@@ -139,6 +139,14 @@ class PostgresqlJSONTest < ActiveRecord::TestCase
     assert_equal "640×1136", x.resolution
   end
 
+  def test_duplication_with_store_accessors
+    x = JsonDataType.new(resolution: "320×480")
+    assert_equal "320×480", x.resolution
+
+    y = x.dup
+    assert_equal "320×480", y.resolution
+  end
+
   def test_update_all
     json = JsonDataType.create! payload: { "one" => "two" }
 
diff --git a/activerecord/test/cases/column_definition_test.rb b/activerecord/test/cases/column_definition_test.rb
index 45e48900ee..bcfd66b4bf 100644
--- a/activerecord/test/cases/column_definition_test.rb
+++ b/activerecord/test/cases/column_definition_test.rb
@@ -11,26 +11,6 @@ module ActiveRecord
         @viz = @adapter.schema_creation
       end
 
-      def test_can_set_coder
-        column = Column.new("title", nil, Type::String.new, "varchar(20)")
-        column.coder = YAML
-        assert_equal YAML, column.coder
-      end
-
-      def test_encoded?
-        column = Column.new("title", nil, Type::String.new, "varchar(20)")
-        assert !column.encoded?
-
-        column.coder = YAML
-        assert column.encoded?
-      end
-
-      def test_type_case_coded_column
-        column = Column.new("title", nil, Type::String.new, "varchar(20)")
-        column.coder = YAML
-        assert_equal "hello", column.type_cast("--- hello")
-      end
-
       # Avoid column definitions in create table statements like:
       # `title` varchar(255) DEFAULT NULL
       def test_should_not_include_default_clause_when_default_is_null