1 files changed, 22 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_events_show.js b/accessible/tests/browser/e10s/browser_events_show.js
new file mode 100644
index 0000000000..fb03ce2329
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_events_show.js
@@ -0,0 +1,22 @@
+/* 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";
+
+/**
+ * Test show event
+ */
+addAccessibleTask(
+  '<div id="div" style="visibility: hidden;"></div>',
+  async function (browser) {
+    let onShow = waitForEvent(EVENT_SHOW, "div");
+    await invokeSetStyle(browser, "div", "visibility", "visible");
+    let showEvent = await onShow;
+    ok(
+      showEvent.accessibleDocument instanceof nsIAccessibleDocument,
+      "Accessible document not present."
+    );
+  },
+  { iframe: true, remoteIframe: true }
+);