1 files changed, 59 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_xrays.js b/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_xrays.js
new file mode 100644
index 0000000000..7b92d5c4b7
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_xrays.js
@@ -0,0 +1,59 @@
+"use strict";
+
+// ExtensionContent.jsm needs to know when it's running from xpcshell,
+// to use the right timeout for content scripts executed at document_idle.
+ExtensionTestUtils.mockAppInfo();
+
+const server = createHttpServer();
+server.registerDirectory("/data/", do_get_file("data"));
+
+const BASE_URL = `http://localhost:${server.identity.primaryPort}/data`;
+
+add_task(async function test_contentscript_xrays() {
+  async function contentScript() {
+    let unwrapped = window.wrappedJSObject;
+
+    browser.test.assertEq(
+      "undefined",
+      typeof test,
+      "Should not have named X-ray property access"
+    );
+    browser.test.assertEq(
+      undefined,
+      window.test,
+      "Should not have named X-ray property access"
+    );
+    browser.test.assertEq(
+      "object",
+      typeof unwrapped.test,
+      "Should always have non-X-ray named property access"
+    );
+
+    browser.test.notifyPass("contentScriptXrays");
+  }
+
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      content_scripts: [
+        {
+          matches: ["http://*/*/file_sample.html"],
+          js: ["content_script.js"],
+        },
+      ],
+    },
+
+    files: {
+      "content_script.js": contentScript,
+    },
+  });
+
+  await extension.startup();
+  let contentPage = await ExtensionTestUtils.loadContentPage(
+    `${BASE_URL}/file_sample.html`
+  );
+
+  await extension.awaitFinish("contentScriptXrays");
+
+  await contentPage.close();
+  await extension.unload();
+});