1 files changed, 30 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_treeupdate_hidden.js b/accessible/tests/browser/e10s/browser_treeupdate_hidden.js
new file mode 100644
index 000000000..00369ec05
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_treeupdate_hidden.js
@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+'use strict';
+
+/* global EVENT_REORDER */
+
+loadScripts({ name: 'role.js', dir: MOCHITESTS_DIR });
+
+function* setHidden(browser, value) {
+  let onReorder = waitForEvent(EVENT_REORDER, 'container');
+  yield invokeSetAttribute(browser, 'child', 'hidden', value);
+  yield onReorder;
+}
+
+addAccessibleTask('<div id="container"><input id="child"></div>',
+  function*(browser, accDoc) {
+    let container = findAccessibleChildByID(accDoc, 'container');
+
+    testAccessibleTree(container, { SECTION: [ { ENTRY: [ ] } ] });
+
+    // Set @hidden attribute
+    yield setHidden(browser, 'true');
+    testAccessibleTree(container, { SECTION: [ ] });
+
+    // Remove @hidden attribute
+    yield setHidden(browser);
+    testAccessibleTree(container, { SECTION: [ { ENTRY: [ ] } ] });
+  });