1 files changed, 26 insertions, 0 deletions
diff --git a/activerecord/test/cases/types_test.rb b/activerecord/test/cases/types_test.rb
new file mode 100644
index 0000000000..3f7fb0a604
--- /dev/null
+++ b/activerecord/test/cases/types_test.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+module ActiveRecord
+  module ConnectionAdapters
+    class TypesTest < ActiveRecord::TestCase
+      def test_attributes_which_are_invalid_for_database_can_still_be_reassigned
+        type_which_cannot_go_to_the_database = Type::Value.new
+        def type_which_cannot_go_to_the_database.serialize(*)
+          raise
+        end
+        klass = Class.new(ActiveRecord::Base) do
+          self.table_name = "posts"
+          attribute :foo, type_which_cannot_go_to_the_database
+        end
+        model = klass.new
+
+        model.foo = "foo"
+        model.foo = "bar"
+
+        assert_equal "bar", model.foo
+      end
+    end
+  end
+end