| /* |
| * Copyright (c) 2011, 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. |
| */ |
| /** |
| * @assertion The predefined Dart function identical() is defined such that identical(c1, c2) iff: |
| * c1 and c2 are constant maps that are defined to be identical |
| * in the specification of literal map expressions. |
| * @description Checks that constatnt maps are identical() if they have both |
| * identical types and content. |
| * @author kaigorodov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| const nums1=const <num,String>{1:"1", 2:"2", 3:"3"}; |
| const nums2=const <num,String>{1:"1", 2:"2", 3:"3"}; |
| const ints1=const <int,String>{1:"1", 2:"2", 3:"3"}; |
| const ints2=const <int,String>{1:"1", 2:"2", 3:"3"}; |
| |
| // Expression/Maps: map literal with double key is illegal, since |
| // it's not an int nor String and implements == |
| //const doubles1=const <double,String>{1.0:"1", 2.0:"2", 3.0:"3"}; |
| //const doubles2=const <double,String>{1.0:"1", 2.0:"2", 3.0:"3"}; |
| |
| main() { |
| Expect.isTrue(identical(nums1, nums2)); |
| Expect.isTrue(identical(ints1, ints2)); |
| //Expect.isTrue(identical(doubles1, doubles2)); |
| |
| Expect.isFalse(identical(nums1, ints1)); |
| //Expect.isFalse(identical(nums1, doubles1)); |
| //Expect.isFalse(identical(ints1, doubles1)); |
| } |