1 files changed, 34 insertions, 0 deletions
diff --git a/internal/casino/manager_test.go b/internal/casino/manager_test.go
index b037efa..6601b52 100644
--- a/internal/casino/manager_test.go
+++ b/internal/casino/manager_test.go
@@ -127,3 +127,37 @@ func eventText(events []Event) string {
 	}
 	return ""
 }
+
+// TestRekeyRoomsKeepsTableIdentityAndWhitespaceIDs: a room rekey must move
+// the manager key and the shared table identity together, and must not
+// truncate a table ID that legally contains whitespace.
+func TestRekeyRoomsKeepsTableIdentityAndWhitespaceIDs(t *testing.T) {
+	m := NewManager(1)
+	const id = "high stakes bj"
+	cfg := TableConfig{ID: id, Game: GameBlackjack}
+	m.Join(1, cfg, "alice")
+	table := m.Table(1, id)
+	if table == nil {
+		t.Fatal("table was not created for a valid whitespace-containing ID")
+	}
+	m.RekeyRooms(map[int]int{1: 12})
+	if m.Table(1, id) != nil {
+		t.Fatal("table left under the old room key")
+	}
+	moved := m.Table(12, id)
+	if moved != table {
+		t.Fatalf("rekey lost the table (or truncated its key): Table(12, %q)=%p want %p", id, moved, table)
+	}
+	if moved.RoomID != 12 {
+		t.Fatalf("moved table RoomID = %d, want 12", moved.RoomID)
+	}
+	// The game shares the table's base, so events must route to the new room.
+	events := moved.join("bob")
+	if len(events) == 0 || events[0].RoomID != 12 {
+		t.Fatalf("post-rekey events route to the wrong room: %+v", events)
+	}
+	// The old, truncated key must not have been created.
+	if m.Table(12, "high") != nil {
+		t.Fatal("rekey created a truncated table key from a whitespace ID")
+	}
+}