1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/test/cases/ar_schema_test.rb b/activerecord/test/cases/ar_schema_test.rb
index e7f3907ff5..930a57330d 100644
--- a/activerecord/test/cases/ar_schema_test.rb
+++ b/activerecord/test/cases/ar_schema_test.rb
@@ -60,6 +60,17 @@ if ActiveRecord::Base.connection.supports_migrations?
       assert_equal "add_magic_power_to_unicorns", rows[1]["name"]
       assert_match /^2\d\d\d-/, rows[1]["migrated_at"]
     end
+
+    def test_define_clears_schema_migrations
+      assert_nothing_raised do
+        ActiveRecord::Schema.define do
+          migration("123001")
+        end
+        ActiveRecord::Schema.define do
+          migration("123001")
+        end
+      end
+    end
   end
 
 end