do_check_eq(Cr.NS_ERROR_FAILED, e.error); 
do_check_eq(Cr.NS_ERROR_FAILURE, e.result); 
function test_pauseDownload_empty_queue(){  print("*** DOWNLOAD MANAGER TEST - test_pauseDownload_empty_queue");  try {    dm.pauseDownload(0);    do_throw("This should not be reached");  } catch (e) {    do_check_eq(Cr.NS_ERROR_FAILED, e.error);  }}
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/32aa4e72ac049ae0c87f928b82ff7c39be6f3db5/test_download_manager.js/clean/toolkit/components/downloads/test/unit/test_download_manager.js