1 files changed, 24 insertions, 0 deletions
diff --git a/internal/casino/machine_ownership_test.go b/internal/casino/machine_ownership_test.go
new file mode 100644
index 0000000..47e068a
--- /dev/null
+++ b/internal/casino/machine_ownership_test.go
@@ -0,0 +1,24 @@
+package casino
+
+import "testing"
+
+func TestMachineRejectsStaleAndNonOwnerCommands(t *testing.T) {
+	m := NewManager(1)
+	cfg := MachineConfig{ID: "slots", Game: GameSlots}
+	m.JoinMachine(1, cfg, "alice")
+	m.MarkDisconnected("alice")
+	for _, occupied := range []bool{false, true} {
+		if occupied {
+			m.JoinMachine(1, cfg, "bob")
+		}
+		for _, events := range [][]Event{
+			m.SetMachineBet(1, "slots", "alice", 10, nil),
+			m.StartMachine(1, "slots", "alice", nil),
+			m.EnableMachineAutoBet(1, "slots", "alice", nil),
+		} {
+			if len(events) != 1 || events[0].PrivateTo != "alice" || events[0].Public {
+				t.Fatalf("rejection misrouted (occupied=%v): %+v", occupied, events)
+			}
+		}
+	}
+}