Bug 1353150: Add tests for WebExtension Xray named element property access. r=bz,mixedpuppy
MozReview-Commit-ID: ARyek92K5qR
new file mode 100644
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/data/file_sample.html
@@ -0,0 +1,12 @@
+<!DOCTYPE HTML>
+
+<html>
+<head>
+<meta charset="utf-8">
+</head>
+<body>
+
+<div id="test">Sample text</div>
+
+</body>
+</html>
new file mode 100644
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_xrays.js
@@ -0,0 +1,72 @@
+"use strict";
+
+Cu.import("resource://gre/modules/Preferences.jsm");
+
+const server = createHttpServer();
+server.registerDirectory("/data/", do_get_file("data"));
+
+const BASE_URL = `http://localhost:${server.identity.primaryPort}/data`;
+const XRAY_PREF = "dom.allow_named_properties_object_for_xrays";
+
+add_task(async function test_contentscript_xrays() {
+ async function contentScript() {
+ let deferred;
+ browser.test.onMessage.addListener(msg => {
+ if (msg === "pref-set") {
+ deferred.resolve();
+ }
+ });
+ function setPref(val) {
+ browser.test.sendMessage("set-pref", val);
+ return new Promise(resolve => { deferred = {resolve}; });
+ }
+
+ let unwrapped = window.wrappedJSObject;
+
+ await setPref(0);
+ browser.test.assertEq("object", typeof test, "Should have named X-ray property access with pref=0");
+ browser.test.assertEq("object", typeof window.test, "Should have named X-ray property access with pref=0");
+ browser.test.assertEq("object", typeof unwrapped.test, "Should always have non-X-ray named property access");
+
+ await setPref(1);
+ browser.test.assertEq("undefined", typeof test, "Should not have named X-ray property access with pref=1");
+ browser.test.assertEq(undefined, window.test, "Should not have named X-ray property access with pref=1");
+ browser.test.assertEq("object", typeof unwrapped.test, "Should always have non-X-ray named property access");
+
+ await setPref(2);
+ browser.test.assertEq("undefined", typeof test, "Should not have named X-ray property access with pref=2");
+ browser.test.assertEq(undefined, window.test, "Should not have named X-ray property access with pref=2");
+ browser.test.assertEq("object", typeof unwrapped.test, "Should always have non-X-ray named property access");
+
+ browser.test.notifyPass("contentScriptXrays");
+ }
+
+ let extension = ExtensionTestUtils.loadExtension({
+ manifest: {
+ content_scripts: [{
+ "matches": ["http://*/*/file_sample.html"],
+ "js": ["content_script.js"],
+ }],
+ },
+
+ files: {
+ "content_script.js": contentScript,
+ },
+ });
+
+ extension.onMessage("set-pref", value => {
+ Preferences.set(XRAY_PREF, value);
+ extension.sendMessage("pref-set");
+ });
+
+ equal(Preferences.get(XRAY_PREF), 1, "Should have pref=1 by default");
+
+ await extension.startup();
+ let contentPage = await ExtensionTestUtils.loadContentPage(`${BASE_URL}/file_sample.html`);
+
+ await extension.awaitFinish("contentScriptXrays");
+
+ await contentPage.close();
+ await extension.unload();
+});
+
--- a/toolkit/components/extensions/test/xpcshell/xpcshell-content.ini
+++ b/toolkit/components/extensions/test/xpcshell/xpcshell-content.ini
@@ -1,3 +1,4 @@
[test_ext_i18n.js]
[test_ext_i18n_css.js]
[test_ext_contentscript.js]
+[test_ext_contentscript_xrays.js]
