1 files changed, 16 insertions, 0 deletions
diff --git a/activerecord/test/cases/connection_adapters/abstract_adapter_test.rb b/activerecord/test/cases/connection_adapters/abstract_adapter_test.rb
new file mode 100644
index 0000000000..ef6a57d328
--- /dev/null
+++ b/activerecord/test/cases/connection_adapters/abstract_adapter_test.rb
@@ -0,0 +1,16 @@
+require "cases/helper"
+
+module ActiveRecord
+  module ConnectionAdapters
+    class AbstractAdapterTest < ActiveRecord::TestCase
+      def test_in_use?
+        adapter = AbstractAdapter.new nil, nil
+
+        # FIXME: change to refute in Rails 4.0 / mt
+        assert !adapter.in_use?, 'adapter is not in use'
+        assert adapter.lease, 'lease adapter'
+        assert adapter.in_use?, 'adapter is in use'
+      end
+    end
+  end
+end