1 files changed, 74 insertions, 0 deletions
diff --git a/browser/base/content/test/about/browser_aboutNewTab_bookmarksToolbarPrefs.js b/browser/base/content/test/about/browser_aboutNewTab_bookmarksToolbarPrefs.js
new file mode 100644
index 0000000000..e9f7768beb
--- /dev/null
+++ b/browser/base/content/test/about/browser_aboutNewTab_bookmarksToolbarPrefs.js
@@ -0,0 +1,74 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+requestLongerTimeout(3);
+
+add_task(async function test_with_different_pref_states() {
+  // [prefName, prefValue, toolbarVisibleExampleCom, toolbarVisibleNewTab]
+  let bookmarksToolbarVisibilityStates = [
+    ["browser.toolbars.bookmarks.visibility", "newtab"],
+    ["browser.toolbars.bookmarks.visibility", "always"],
+    ["browser.toolbars.bookmarks.visibility", "never"],
+  ];
+  for (let visibilityState of bookmarksToolbarVisibilityStates) {
+    await SpecialPowers.pushPrefEnv({
+      set: [visibilityState],
+    });
+
+    for (let privateWin of [true, false]) {
+      info(
+        `Testing with ${visibilityState} in a ${
+          privateWin ? "private" : "non-private"
+        } window`
+      );
+      let win = await BrowserTestUtils.openNewBrowserWindow({
+        private: privateWin,
+      });
+      is(
+        win.gBrowser.currentURI.spec,
+        privateWin ? "about:privatebrowsing" : "about:blank",
+        "Expecting about:privatebrowsing or about:blank as URI of new window"
+      );
+
+      if (!privateWin) {
+        await waitForBookmarksToolbarVisibility({
+          win,
+          visible: visibilityState[1] == "always",
+          message:
+            "Toolbar should be visible only if visibilityState is 'always'. State: " +
+            visibilityState[1],
+        });
+        await BrowserTestUtils.openNewForegroundTab({
+          gBrowser: win.gBrowser,
+          opening: "about:newtab",
+          waitForLoad: false,
+        });
+      }
+
+      await waitForBookmarksToolbarVisibility({
+        win,
+        visible:
+          visibilityState[1] == "newtab" || visibilityState[1] == "always",
+        message:
+          "Toolbar should be visible as long as visibilityState isn't set to 'never'. State: " +
+          visibilityState[1],
+      });
+
+      await BrowserTestUtils.openNewForegroundTab({
+        gBrowser: win.gBrowser,
+        // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+        opening: "http://example.com",
+      });
+      await waitForBookmarksToolbarVisibility({
+        win,
+        visible: visibilityState[1] == "always",
+        message:
+          "Toolbar should be visible only if visibilityState is 'always'. State: " +
+          visibilityState[1],
+      });
+      await BrowserTestUtils.closeWindow(win);
+    }
+  }
+});