1 files changed, 100 insertions, 0 deletions
diff --git a/browser/components/places/tests/browser/browser_sidebar_on_customization.js b/browser/components/places/tests/browser/browser_sidebar_on_customization.js
new file mode 100644
index 0000000000..6e97f81dd3
--- /dev/null
+++ b/browser/components/places/tests/browser/browser_sidebar_on_customization.js
@@ -0,0 +1,100 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+var gInsertedBookmarks;
+add_setup(async function () {
+  gInsertedBookmarks = await PlacesUtils.bookmarks.insertTree({
+    guid: PlacesUtils.bookmarks.unfiledGuid,
+    children: [
+      {
+        title: "bm1",
+        url: "about:buildconfig",
+      },
+      {
+        type: PlacesUtils.bookmarks.TYPE_FOLDER,
+        title: "folder",
+        children: [
+          {
+            title: "bm2",
+            url: "about:mozilla",
+          },
+        ],
+      },
+    ],
+  });
+  registerCleanupFunction(PlacesUtils.bookmarks.eraseEverything);
+});
+
+add_task(async function test_open_sidebar_and_customize() {
+  await withSidebarTree("bookmarks", async tree => {
+    async function checkTreeIsFunctional() {
+      Assert.ok(SidebarUI.isOpen, "Sidebar is open");
+      Assert.ok(
+        BrowserTestUtils.isVisible(SidebarUI.browser),
+        "sidebar browser is visible"
+      );
+      Assert.ok(tree.view.result, "View result is defined");
+      await TestUtils.waitForCondition(
+        () => tree.view.result.root.containerOpen,
+        "View root node should be reopened"
+      );
+      toggleFolder(tree, gInsertedBookmarks[1].guid);
+    }
+
+    await checkTreeIsFunctional();
+
+    info("Starting customization");
+    await promiseCustomizeStart();
+
+    Assert.ok(
+      !BrowserTestUtils.isVisible(SidebarUI.browser),
+      "sidebar browser is hidden"
+    );
+    Assert.ok(tree.view.result, "View result is defined");
+    Assert.ok(!tree.view.result.root.containerOpen, "View root node is closed");
+
+    info("Ending customization");
+    await promiseCustomizeEnd();
+
+    await checkTreeIsFunctional();
+  });
+});
+
+function promiseCustomizeStart(win = window) {
+  return new Promise(resolve => {
+    win.gNavToolbox.addEventListener("customizationready", resolve, {
+      once: true,
+    });
+    win.gCustomizeMode.enter();
+  });
+}
+
+function promiseCustomizeEnd(win = window) {
+  return new Promise(resolve => {
+    win.gNavToolbox.addEventListener("aftercustomization", resolve, {
+      once: true,
+    });
+    win.gCustomizeMode.exit();
+  });
+}
+
+function toggleFolder(tree, guid) {
+  tree.selectItems([guid]);
+  Assert.equal(tree.selectedNode.title, "folder");
+  Assert.ok(
+    !PlacesUtils.asContainer(tree.selectedNode).containerOpen,
+    "Folder is closed"
+  );
+  synthesizeClickOnSelectedTreeCell(tree);
+  Assert.ok(
+    PlacesUtils.asContainer(tree.selectedNode).containerOpen,
+    "Folder is open"
+  );
+  synthesizeClickOnSelectedTreeCell(tree);
+  Assert.ok(
+    !PlacesUtils.asContainer(tree.selectedNode).containerOpen,
+    "Folder is closed"
+  );
+}