|  | // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | // Check that conditional expression can be a compile-time constant. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | const C1 = true; | 
|  | const C2 = false; | 
|  |  | 
|  | const nephew = C1 ? C2 ? "Tick" : "Trick" : "Track"; | 
|  |  | 
|  | main() { | 
|  | const a = true ? 5 : 10; | 
|  | const b = C2 ? "Track" : C1 ? "Trick" : "Tick"; | 
|  |  | 
|  | Expect.equals(5, a); | 
|  | Expect.equals("Trick", nephew); | 
|  | Expect.equals(nephew, b); | 
|  | Expect.identical(nephew, b); | 
|  | var s = const Symbol(nephew); | 
|  | var msg = "Donald is $nephew's uncle."; | 
|  | Expect.equals("Donald is Trick's uncle.", msg); | 
|  | } |