1 files changed, 24 insertions, 0 deletions
diff --git a/comm/mail/base/test/browser/browser_spacesToolbar_drawBelowTitlebar.js b/comm/mail/base/test/browser/browser_spacesToolbar_drawBelowTitlebar.js
new file mode 100644
index 0000000000..f6cf64cf57
--- /dev/null
+++ b/comm/mail/base/test/browser/browser_spacesToolbar_drawBelowTitlebar.js
@@ -0,0 +1,24 @@
+/* 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/. */
+
+// Load subtest shared with tabs-in-titlebar tests.
+Services.scriptloader.loadSubScript(
+  new URL("head_spacesToolbar.js", gTestPath).href,
+  this
+);
+
+registerCleanupFunction(async () => {
+  // Reset the menubar visibility.
+  let menubar = document.getElementById("toolbar-menubar");
+  menubar.removeAttribute("autohide");
+  menubar.removeAttribute("inactive");
+  await new Promise(resolve => requestAnimationFrame(resolve));
+});
+
+add_task(async function testSpacesToolbarAlignment() {
+  // Hide titlebar in toolbar, show menu.
+  await sub_test_toolbar_alignment(false, false);
+  // Hide titlebar in toolbar, hide menu.
+  await sub_test_toolbar_alignment(false, true);
+});