1 files changed, 48 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_treeupdate_table.js b/accessible/tests/browser/e10s/browser_treeupdate_table.js
new file mode 100644
index 0000000000..c188a06044
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_treeupdate_table.js
@@ -0,0 +1,48 @@
+/* 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";
+
+/* import-globals-from ../../mochitest/role.js */
+loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });
+
+addAccessibleTask(
+  `
+  <table id="table">
+    <tr>
+      <td>cell1</td>
+      <td>cell2</td>
+    </tr>
+  </table>`,
+  async function (browser, accDoc) {
+    let table = findAccessibleChildByID(accDoc, "table");
+
+    let tree = {
+      TABLE: [
+        { ROW: [{ CELL: [{ TEXT_LEAF: [] }] }, { CELL: [{ TEXT_LEAF: [] }] }] },
+      ],
+    };
+    testAccessibleTree(table, tree);
+
+    let onReorder = waitForEvent(EVENT_REORDER, "table");
+    await invokeContentTask(browser, [], () => {
+      // append a caption, it should appear as a first element in the
+      // accessible tree.
+      let doc = content.document;
+      let caption = doc.createElement("caption");
+      caption.textContent = "table caption";
+      doc.getElementById("table").appendChild(caption);
+    });
+    await onReorder;
+
+    tree = {
+      TABLE: [
+        { CAPTION: [{ TEXT_LEAF: [] }] },
+        { ROW: [{ CELL: [{ TEXT_LEAF: [] }] }, { CELL: [{ TEXT_LEAF: [] }] }] },
+      ],
+    };
+    testAccessibleTree(table, tree);
+  },
+  { iframe: true, remoteIframe: true }
+);