Menus: tests that hover switching leaves submenus, a disabled bar and the arrow keys alone (#1290)

crates/ui-egui/tests/it/ui_menus.rs

@@ -373,3 +373,48 @@ fn outside_presses_and_focus_loss_close_the_menus() {
     h.run_steps(2);
     assert!(!shown(&h, "Open Project"), "losing focus closes the menus");
 }
+
+/// From an open submenu, the pointer reaching another title switches menus too (#1290).
+#[test]
+fn hovering_a_title_from_an_open_submenu_switches_menus() {
+    let mut h = harness();
+    let (file, edit) = (rect(&h, "menu.File"), rect(&h, "menu.Edit"));
+    click_at(&mut h, file.center());
+    let new = h.query_by(|n| n.label().is_some_and(|l| l.trim_end_matches('\u{23f5}').trim() == "New")).expect("File ▸ New").rect();
+    move_to(&mut h, new.center());
+    h.run_steps(5);
+    assert!(shown(&h, "New Project from Template"), "the New submenu is open");
+    move_to(&mut h, edit.center());
+    assert!(shown(&h, "Keyboard Shortcuts"), "hovering Edit opened it");
+    assert!(!shown(&h, "New Project from Template") && !shown(&h, "Open Project"), "and closed File and its submenu");
+}
+
+/// A title the pointer can't reach (the app is disabled under a dialog) doesn't switch menus
+/// (#1290).
+#[test]
+fn a_disabled_title_does_not_switch_menus() {
+    let mut h = harness();
+    let (file, edit) = (rect(&h, "menu.File"), rect(&h, "menu.Edit"));
+    click_at(&mut h, file.center());
+    h.state_mut().dialog = Some(effectcraft_ui_egui::Dialog::About);
+    h.run_steps(2);
+    move_to(&mut h, edit.center());
+    assert!(!shown(&h, "Keyboard Shortcuts"), "Edit didn't open");
+}
+
+/// A pointer resting on a title doesn't undo Left / Right: only a moving pointer switches
+/// (#1290).
+#[test]
+fn a_resting_pointer_does_not_override_the_arrow_keys() {
+    if cfg!(target_os = "macos") {
+        // (Right / Left between menus are tested where the in-window bar is the app's menu.)
+        return;
+    }
+    let mut h = harness();
+    let file = rect(&h, "menu.File");
+    click_at(&mut h, file.center());
+    key(&mut h, Key::ArrowRight);
+    h.run_steps(3);
+    assert!(shown(&h, "Keyboard Shortcuts"), "Right opened Edit with the pointer still on File");
+    assert!(!shown(&h, "Open Project"));
+}