|  | // Copyright (c) 2013, 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. | 
|  |  | 
|  | // Test the use of '__proto__' keys in maps. | 
|  |  | 
|  | library map_literal10_test; | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | void main() { | 
|  | var m1 = const {"__proto__": 0, 1: 1}; | 
|  | Expect.isTrue(m1.containsKey("__proto__")); | 
|  | Expect.equals(0, m1["__proto__"]); | 
|  | Expect.isTrue(m1.containsKey(1)); | 
|  | Expect.equals(1, m1[1]); | 
|  | Expect.listEquals(["__proto__", 1], m1.keys.toList()); | 
|  |  | 
|  | var m2 = const {1: 0, "__proto__": 1}; | 
|  | Expect.isTrue(m2.containsKey(1)); | 
|  | Expect.equals(0, m2[1]); | 
|  | Expect.isTrue(m2.containsKey("__proto__")); | 
|  | Expect.equals(1, m2["__proto__"]); | 
|  | Expect.listEquals([1, "__proto__"], m2.keys.toList()); | 
|  |  | 
|  | var m3 = const {"1": 0, "__proto__": 1}; | 
|  | Expect.isTrue(m3.containsKey("1")); | 
|  | Expect.equals(0, m3["1"]); | 
|  | Expect.isTrue(m3.containsKey("__proto__")); | 
|  | Expect.equals(1, m3["__proto__"]); | 
|  | Expect.listEquals(["1", "__proto__"], m3.keys.toList()); | 
|  |  | 
|  | var m4 = const {"__proto__": 1, "1": 2}; | 
|  | Expect.isTrue(m4.containsKey("1")); | 
|  | Expect.equals(2, m4["1"]); | 
|  | Expect.isTrue(m4.containsKey("__proto__")); | 
|  | Expect.equals(1, m4["__proto__"]); | 
|  | Expect.listEquals(["__proto__", "1"], m4.keys.toList()); | 
|  | } |