1 files changed, 71 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_treeupdate_whitespace.js b/accessible/tests/browser/e10s/browser_treeupdate_whitespace.js
new file mode 100644
index 000000000..c9dbde691
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_treeupdate_whitespace.js
@@ -0,0 +1,71 @@
+/* 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 });
+
+addAccessibleTask('doc_treeupdate_whitespace.html', function*(browser, accDoc) {
+  let container1 = findAccessibleChildByID(accDoc, 'container1');
+  let container2Parent = findAccessibleChildByID(accDoc, 'container2-parent');
+
+  let tree = {
+    SECTION: [
+      { GRAPHIC: [] },
+      { TEXT_LEAF: [] },
+      { GRAPHIC: [] },
+      { TEXT_LEAF: [] },
+      { GRAPHIC: [] }
+    ]
+  };
+  testAccessibleTree(container1, tree);
+
+  let onReorder = waitForEvent(EVENT_REORDER, 'container1');
+  // Remove img1 from container1
+  yield ContentTask.spawn(browser, {}, () => {
+    let doc = content.document;
+    doc.getElementById('container1').removeChild(
+      doc.getElementById('img1'));
+  });
+  yield onReorder;
+
+  tree = {
+    SECTION: [
+      { GRAPHIC: [] },
+      { TEXT_LEAF: [] },
+      { GRAPHIC: [] }
+    ]
+  };
+  testAccessibleTree(container1, tree);
+
+  tree = {
+    SECTION: [
+      { LINK: [] },
+      { LINK: [ { GRAPHIC: [] } ] }
+    ]
+  };
+  testAccessibleTree(container2Parent, tree);
+
+  onReorder = waitForEvent(EVENT_REORDER, 'container2-parent');
+  // Append an img with valid src to container2
+  yield ContentTask.spawn(browser, {}, () => {
+    let doc = content.document;
+    let img = doc.createElement('img');
+    img.setAttribute('src',
+      'http://example.com/a11y/accessible/tests/mochitest/moz.png');
+    doc.getElementById('container2').appendChild(img);
+  });
+  yield onReorder;
+
+  tree = {
+    SECTION: [
+      { LINK: [ { GRAPHIC: [ ] } ] },
+      { TEXT_LEAF: [ ] },
+      { LINK: [ { GRAPHIC: [ ] } ] }
+    ]
+  };
+  testAccessibleTree(container2Parent, tree);
+});