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-rw-r--r--activerecord/test/cases/adapter_test.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb
index 595edc6263..34be68a97f 100644
--- a/activerecord/test/cases/adapter_test.rb
+++ b/activerecord/test/cases/adapter_test.rb
@@ -178,6 +178,10 @@ module ActiveRecord
result = @connection.select_all "SELECT * FROM posts"
assert result.is_a?(ActiveRecord::Result)
end
+
+ test "type_to_sql returns a String for unmapped types" do
+ assert_equal "special_db_type", @connection.type_to_sql(:special_db_type)
+ end
end
class AdapterTestWithoutTransaction < ActiveRecord::TestCase