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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // Test that a final list literal is not expandable nor modifiable. | 5 // Test that a final list literal is not expandable nor modifiable. |
| 6 | 6 |
| 7 class ConstListLiteralTest { | 7 class ConstListLiteralTest { |
| 8 | 8 |
| 9 static void testMain() { | 9 static void testMain() { |
| 10 var list = const [4, 2, 3]; | 10 var list = const [4, 2, 3]; |
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| 60 exception = e; | 60 exception = e; |
| 61 } catch (UnsupportedOperationException e) { | 61 } catch (UnsupportedOperationException e) { |
| 62 exception = e; | 62 exception = e; |
| 63 } | 63 } |
| 64 Expect.equals(true, exception != null); | 64 Expect.equals(true, exception != null); |
| 65 Expect.equals(3, list.length); | 65 Expect.equals(3, list.length); |
| 66 Expect.equals(4, list[0]); | 66 Expect.equals(4, list[0]); |
| 67 Expect.equals(2, list[1]); | 67 Expect.equals(2, list[1]); |
| 68 Expect.equals(3, list[2]); | 68 Expect.equals(3, list[2]); |
| 69 | 69 |
| 70 // Note: the next check is a regression test for frog. The immutable list | 70 // Note: the next check is a regression test for dart2js. The immutable list |
| 71 // overrides the 'length' property of List, but relies on using the native | 71 // overrides the 'length' property of List, but relies on using the native |
| 72 // 'forEach' construct in Array. This test ensures that our strategy works | 72 // 'forEach' construct in Array. This test ensures that our strategy works |
| 73 // correctly. | 73 // correctly. |
| 74 int x = 0; | 74 int x = 0; |
| 75 list.forEach((e) { x += e; }); | 75 list.forEach((e) { x += e; }); |
| 76 Expect.equals(9, x); | 76 Expect.equals(9, x); |
| 77 } | 77 } |
| 78 } | 78 } |
| 79 | 79 |
| 80 main() { | 80 main() { |
| 81 ConstListLiteralTest.testMain(); | 81 ConstListLiteralTest.testMain(); |
| 82 } | 82 } |
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