"use strict"; // This test makes sure that a policy container & content security policy is initialized for frontend created documents // see bug https://bugzilla.mozilla.org/show_bug.cgi?id=2002654 add_task(async function test_policy_container_and_csp_in_about_blank() { let tab = await BrowserTestUtils.openNewForegroundTab( gBrowser, "about:blank" ); try { await ContentTask.spawn(tab.linkedBrowser, null, function () { let meta = content.document.createElement("meta"); meta.httpEquiv = "Content-Security-Policy"; meta.content = "script-src 'none'"; content.document.head.appendChild(meta); Assert.ok( (() => { try { content.window.eval("1 + 1"); return false; } catch (ex) { return true; } })(), "CSP set for frontend created document" ); }); } finally { BrowserTestUtils.removeTab(tab); } });