"use strict"; let env = Cc["@mozilla.org/process/environment;1"].getService(Ci.nsIEnvironment); add_task(function* test_getEnvironment() { env.set("FOO", "BAR"); let environment = Subprocess.getEnvironment(); equal(environment.FOO, "BAR"); equal(environment.PATH, env.get("PATH")); env.set("FOO", null); environment = Subprocess.getEnvironment(); equal(environment.FOO || "", ""); });