Test wipeout and break command interactions

src/modules/draw/modify/break_cmd.rs

@@ -502,3 +502,28 @@ impl CadCommand for BreakAtPointCommand {
 // ── Autocomplete registry ─────────────────────────────────
 inventory::submit!(crate::command::CommandRegistration { names: &["BREAKATPOINT"] });  // BreakAtPointCommand
 inventory::submit!(crate::command::CommandRegistration { names: &["BREAK"] });  // BreakInteractiveCommand
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn first_option_replaces_the_selection_point_and_at_reuses_it() {
+        let handle = Handle::new(7);
+        let mut command = BreakInteractiveCommand::new();
+        assert!(matches!(
+            command.on_entity_pick(handle, DVec3::new(1.0, 2.0, 0.0)),
+            CmdResult::NeedPoint
+        ));
+        assert_eq!(command.options().len(), 1);
+        assert!(matches!(command.on_text_input("F"), Some(CmdResult::NeedPoint)));
+
+        let replacement = DVec3::new(3.0, 4.0, 0.0);
+        assert!(matches!(command.on_point(replacement), CmdResult::NeedPoint));
+        assert!(matches!(
+            command.on_text_input("@"),
+            Some(CmdResult::BreakEntity { handle: result, p1, p2 })
+                if result == handle && p1 == replacement && p2 == replacement
+        ));
+    }
+}