1 files changed, 35 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/test/browser_markup_toggle_03.js b/devtools/client/inspector/markup/test/browser_markup_toggle_03.js
new file mode 100644
index 000000000..fb3529c8e
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_toggle_03.js
@@ -0,0 +1,35 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test toggling (expand/collapse) elements by alt-clicking on twisties, which
+// should expand all the descendants
+
+const TEST_URL = URL_ROOT + "doc_markup_toggle.html";
+
+add_task(function* () {
+  let {inspector} = yield openInspectorForURL(TEST_URL);
+
+  info("Getting the container for the UL parent element");
+  let container = yield getContainerForSelector("ul", inspector);
+
+  info("Alt-clicking on the UL parent expander, and waiting for children");
+  let onUpdated = inspector.once("inspector-updated");
+  EventUtils.synthesizeMouseAtCenter(container.expander, {altKey: true},
+    inspector.markup.doc.defaultView);
+  yield onUpdated;
+  yield waitForMultipleChildrenUpdates(inspector);
+
+  info("Checking that all nodes exist and are expanded");
+  let nodeList = yield inspector.walker.querySelectorAll(
+    inspector.walker.rootNode, "ul, li, span, em");
+  let nodeFronts = yield nodeList.items();
+  for (let nodeFront of nodeFronts) {
+    let nodeContainer = getContainerForNodeFront(nodeFront, inspector);
+    ok(nodeContainer, "Container for node " + nodeFront.tagName + " exists");
+    ok(nodeContainer.expanded,
+      "Container for node " + nodeFront.tagName + " is expanded");
+  }
+});