Add m-esr52 at 52.6.0

1 files changed, 41 insertions, 0 deletions

diff --git a/devtools/client/storage/test/browser_storage_sidebar_update.js b/devtools/client/storage/test/browser_storage_sidebar_update.js
new file mode 100644
index 000000000..419d63020
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_sidebar_update.js
@@ -0,0 +1,41 @@
+/* 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/. */
+
+// Test to verify that the sidebar is not broken when several updates
+// come in quick succession. See bug 1260380 - it could happen that the
+// "Parsed Value" section gets duplicated.
+
+"use strict";
+
+add_task(function* () {
+  const ITEM_NAME = "ls1";
+  const UPDATE_COUNT = 3;
+
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-complex-values.html");
+
+  let updated = gUI.once("sidebar-updated");
+  yield selectTreeItem(["localStorage", "http://test1.example.org"]);
+  yield selectTableItem(ITEM_NAME);
+  yield updated;
+
+  is(gUI.sidebar.hidden, false, "sidebar is visible");
+
+  // do several updates in a row and wait for them to finish
+  let updates = [];
+  for (let i = 0; i < UPDATE_COUNT; i++) {
+    info(`Performing update #${i}`);
+    updates.push(gUI.once("sidebar-updated"));
+    gUI.displayObjectSidebar();
+  }
+  yield promise.all(updates);
+
+  info("Updates performed, going to verify result");
+  let parsedScope = gUI.view.getScopeAtIndex(1);
+  let elements = parsedScope.target.querySelectorAll(
+    `.name[value="${ITEM_NAME}"]`);
+  is(elements.length, 1,
+    `There is only one displayed variable named '${ITEM_NAME}'`);
+
+  yield finishTests();
+});