1 files changed, 74 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_multiselect_tabs_drag_to_bookmarks_toolbar.js b/browser/base/content/test/tabs/browser_multiselect_tabs_drag_to_bookmarks_toolbar.js
new file mode 100644
index 0000000000..42342c889c
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_multiselect_tabs_drag_to_bookmarks_toolbar.js
@@ -0,0 +1,74 @@
+add_task(async function test() {
+  // Disable tab animations
+  gReduceMotionOverride = true;
+
+  // Open Bookmarks Toolbar
+  let bookmarksToolbar = document.getElementById("PersonalToolbar");
+  setToolbarVisibility(bookmarksToolbar, true);
+  ok(!bookmarksToolbar.collapsed, "bookmarksToolbar should be visible now");
+
+  let tab1 = await addTab("http://mochi.test:8888/1");
+  let tab2 = await addTab("http://mochi.test:8888/2");
+  let tab3 = await addTab("http://mochi.test:8888/3");
+  let tab4 = await addTab("http://mochi.test:8888/4");
+  let tab5 = await addTab("http://mochi.test:8888/5");
+
+  is(gBrowser.multiSelectedTabsCount, 0, "Zero multiselected tabs");
+
+  await BrowserTestUtils.switchTab(gBrowser, tab2);
+  await triggerClickOn(tab1, { ctrlKey: true });
+
+  ok(tab1.multiselected, "Tab1 is multiselected");
+  ok(tab2.multiselected, "Tab2 is multiselected");
+  ok(!tab3.multiselected, "Tab3 is not multiselected");
+  ok(!tab4.multiselected, "Tab4 is not multiselected");
+  ok(!tab5.multiselected, "Tab5 is not multiselected");
+  is(gBrowser.multiSelectedTabsCount, 2, "Two multiselected tabs");
+
+  // Use getElementsByClassName so the list is live and will update as items change.
+  let currentBookmarks =
+    bookmarksToolbar.getElementsByClassName("bookmark-item");
+  let startBookmarksLength = currentBookmarks.length;
+
+  // The destination element should be a non-folder bookmark
+  let destBookmarkItem = () =>
+    bookmarksToolbar.querySelector(
+      "#PlacesToolbarItems .bookmark-item:not([container])"
+    );
+
+  await EventUtils.synthesizePlainDragAndDrop({
+    srcElement: tab1,
+    destElement: destBookmarkItem(),
+  });
+  await TestUtils.waitForCondition(
+    () => currentBookmarks.length == startBookmarksLength + 2,
+    "waiting for 2 bookmarks"
+  );
+  is(
+    currentBookmarks.length,
+    startBookmarksLength + 2,
+    "Bookmark count should have increased by 2"
+  );
+
+  // Drag non-selection to the bookmarks toolbar
+  startBookmarksLength = currentBookmarks.length;
+  await EventUtils.synthesizePlainDragAndDrop({
+    srcElement: tab3,
+    destElement: destBookmarkItem(),
+  });
+  await TestUtils.waitForCondition(
+    () => currentBookmarks.length == startBookmarksLength + 1,
+    "waiting for 1 bookmark"
+  );
+  is(
+    currentBookmarks.length,
+    startBookmarksLength + 1,
+    "Bookmark count should have increased by 1"
+  );
+
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+  BrowserTestUtils.removeTab(tab3);
+  BrowserTestUtils.removeTab(tab4);
+  BrowserTestUtils.removeTab(tab5);
+});