modules/libpref/test/unit_ipc/test_initial_prefs.js


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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");

function isParentProcess() {
  return Services.appinfo.processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
}

function run_test() {
  if (!isParentProcess()) {
    const pb = Services.prefs;
    pb.setBoolPref("Test.IPC.bool", true);
    pb.setIntPref("Test.IPC.int", 23);
    pb.setCharPref("Test.IPC.char", "hey");

    run_test_in_child("test_existing_prefs.js");
  }
}