palemoon-dev/platform/ipc/testshell/tests/test_ipcshell.js

function callback(result) {
  do_check_eq(result, Ci.nsIXULRuntime.PROCESS_TYPE_CONTENT);
  do_test_finished();
}

function run_test() {
  do_test_pending();

  do_check_eq(runtime.processType, Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);

  sendCommand("load('test_ipcshell_child.js');");

  sendCommand("runtime.processType;", callback);

  [ [ "C", "D" ], [ "D", "C" ], [ "\u010C", "D" ], [ "D", "\u010C" ] ].forEach(
    function (pair) {
      do_test_pending();
      var cmp = pair[0].localeCompare(pair[1]);
      sendCommand(
          "'"+ pair[0] +"'.localeCompare('"+ pair[1] +"');",
          function (result) {
              do_check_eq(cmp, result);
              do_test_finished(); 
          });
    })
}
load('test_ipcshell_child.js');