1 files changed, 44 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_crossdomain_iframe.js b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_crossdomain_iframe.js
new file mode 100644
index 0000000000..018faac310
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_crossdomain_iframe.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test that autocomplete doesn't break when trying to reach into objects from
+// a different domain. See Bug 989025.
+
+"use strict";
+
+const TEST_URI =
+  "https://example.com/browser/devtools/client/webconsole/" +
+  "test/browser/test-iframe-parent.html";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+
+  await executeAndWaitForResultMessage(hud, "document.title", "iframe parent");
+  ok(true, "root document's title is accessible");
+
+  // Make sure we don't throw when trying to autocomplete
+  const autocompleteUpdated = hud.jsterm.once("autocomplete-updated");
+  setInputValue(hud, "window[0].document");
+  EventUtils.sendString(".");
+  await autocompleteUpdated;
+
+  setInputValue(hud, "window[0].document.title");
+  const onPermissionDeniedMessage = waitForMessageByType(
+    hud,
+    "Permission denied",
+    ".error"
+  );
+  EventUtils.synthesizeKey("KEY_Enter");
+  const permissionDenied = await onPermissionDeniedMessage;
+  ok(
+    permissionDenied.node.classList.contains("error"),
+    "A message error is shown when trying to inspect window[0]"
+  );
+
+  await executeAndWaitForResultMessage(
+    hud,
+    "window.location",
+    "test-iframe-parent.html"
+  );
+  ok(true, "root document's location is accessible");
+});