1 files changed, 19 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index c3c204cf9f..58cbb80e31 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -1020,4 +1020,23 @@ class CopyMigrationsTest < ActiveRecord::TestCase
     ActiveRecord::Base.logger = old
   end
 
+  if current_adapter?(:Mysql2Adapter)
+    def test_default_table_options
+      config = ActiveRecord::Base.configurations['arunit'].merge(
+        encoding: 'utf8mb4',
+        default_table_options: "ENGINE=InnoDB CHARACTER SET utf8mb4",
+      )
+      ActiveRecord::Base.establish_connection(config)
+
+      ActiveRecord::Base.connection.create_table(:foos) do |t|
+        t.string :emoji
+      end
+      ActiveRecord::Base.connection.execute("INSERT INTO foos (emoji) VALUES ('💩')")
+      emoji = ActiveRecord::Base.connection.execute("SELECT emoji FROM foos").first.first
+      assert_equal "💩", emoji
+    ensure
+      ActiveRecord::Base.connection.drop_table(:foos, if_exists: true)
+      ActiveRecord::Base.establish_connection(:arunit)
+    end
+  end
 end