hausner@google.com | be175c7 | 2012-11-09 00:19:43 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 | // for details. All rights reserved. Use of this source code is governed by a |
| 3 | // BSD-style license that can be found in the LICENSE file. |
| 4 | |
floitsch@google.com | 8fd6d0a | 2013-04-05 19:43:16 +0000 | [diff] [blame] | 5 | import "package:expect/expect.dart"; |
| 6 | |
hausner@google.com | be175c7 | 2012-11-09 00:19:43 +0000 | [diff] [blame] | 7 | // Test of compile time constant local variables. |
| 8 | |
| 9 | const N = 8; |
| 10 | |
| 11 | class ConstFoo { |
| 12 | final x; |
| 13 | const ConstFoo(this.x); |
| 14 | } |
| 15 | |
| 16 | main() { |
| 17 | const MIN = 2 - 1; |
| 18 | const MAX = N * 2; |
| 19 | const MASK = (1 << (MAX - MIN + 1)) - 1; // 65535. |
| 20 | Expect.equals(1, MIN); |
| 21 | Expect.equals(16, MAX); |
| 22 | Expect.equals(65535, MASK); |
| 23 | const s = 'MIN = $MIN MAX = $MAX MASK = $MASK'; |
floitsch@google.com | 8e6f238 | 2012-11-12 17:19:58 +0000 | [diff] [blame] | 24 | Expect.identical(s, 'MIN = $MIN MAX = $MAX MASK = $MASK'); |
hausner@google.com | be175c7 | 2012-11-09 00:19:43 +0000 | [diff] [blame] | 25 | Expect.equals("MIN = 1 MAX = 16 MASK = 65535", s); |
| 26 | var cf1 = const ConstFoo(MASK); |
| 27 | var cf2 = const ConstFoo(s); |
| 28 | var cf3 = const ConstFoo('MIN = $MIN MAX = $MAX MASK = $MASK'); |
floitsch@google.com | 8e6f238 | 2012-11-12 17:19:58 +0000 | [diff] [blame] | 29 | Expect.identical(cf2, cf3); |
| 30 | Expect.isFalse(identical(cf2, cf1)); |
hausner@google.com | be175c7 | 2012-11-09 00:19:43 +0000 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | |
| 34 | |