EL::UnitTest Node1 EL::UnitTest + scanNEvents + gridInput + cleanup + testOutput + testFileExecute + UnitTest() + run() Node2 SH::DiskOutput + testInvariant() + DiskOutput() + makeWriter() + targetURL() # doMakeWriter() # getTargetURL() # ClassDef() Node2->Node1 +outputDisk Node3 TObject Node3->Node2 Node4 std::string Node4->Node1 +location +base_path +name Node5 std::basic_string< char > Node5->Node4