const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm"); let ppmm = Services.ppmm.getChildAt(0); Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true); registerCleanupFunction(() => { Services.prefs.clearUserPref("security.allow_eval_with_system_principal"); }); add_task(async function test_bindings() { let {strict, bound} = await new Promise(function(resolve) { // Use a listener to get results from child ppmm.addMessageListener("results", function listener(msg) { ppmm.removeMessageListener("results", listener); resolve(msg.data); }); // Bind vars in first process script ppmm.loadProcessScript("resource://test/environment_script.js", false); // Check visibility in second process script ppmm.loadProcessScript(`data:, let strict = (function() { return this; })() === undefined; var bound = ""; try { void vu; bound += "vu,"; } catch (e) {} try { void vq; bound += "vq,"; } catch (e) {} try { void vl; bound += "vl,"; } catch (e) {} try { void gt; bound += "gt,"; } catch (e) {} try { void ed; bound += "ed,"; } catch (e) {} try { void ei; bound += "ei,"; } catch (e) {} try { void fo; bound += "fo,"; } catch (e) {} try { void fi; bound += "fi,"; } catch (e) {} try { void fd; bound += "fd,"; } catch (e) {} sendAsyncMessage("results", { strict, bound }); `, false); }); // FrameScript loader should share |this| access if (strict) { if (bound != "gt,ed,ei,fo,") throw new Error("Unexpected global binding set - " + bound); } else { if (bound != "gt,ed,ei,fo,fi,fd,") throw new Error("Unexpected global binding set - " + bound); } });