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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]; |
| 11 Expect.equals(3, list.length); | 11 Expect.equals(3, list.length); |
| 12 | 12 |
| 13 var exception = null; | 13 var exception = null; |
| 14 try { | 14 try { |
| 15 list.add(4); | 15 list.add(4); |
| 16 } on UnsupportedOperationException catch (e) { | 16 } on StateError catch (e) { |
| 17 exception = e; | 17 exception = e; |
| 18 } | 18 } |
| 19 Expect.equals(true, exception != null); | 19 Expect.equals(true, exception != null); |
| 20 Expect.equals(3, list.length); | 20 Expect.equals(3, list.length); |
| 21 exception = null; | 21 exception = null; |
| 22 | 22 |
| 23 exception = null; | 23 exception = null; |
| 24 try { | 24 try { |
| 25 list.addAll([4, 5]); | 25 list.addAll([4, 5]); |
| 26 } on UnsupportedOperationException catch (e) { | 26 } on StateError catch (e) { |
| 27 exception = e; | 27 exception = e; |
| 28 } | 28 } |
| 29 Expect.equals(true, exception != null); | 29 Expect.equals(true, exception != null); |
| 30 Expect.equals(3, list.length); | 30 Expect.equals(3, list.length); |
| 31 | 31 |
| 32 exception = null; | 32 exception = null; |
| 33 try { | 33 try { |
| 34 list[0] = 0; | 34 list[0] = 0; |
| 35 } on UnsupportedOperationException catch (e) { | 35 } on StateError catch (e) { |
| 36 exception = e; | 36 exception = e; |
| 37 } | 37 } |
| 38 Expect.equals(true, exception != null); | 38 Expect.equals(true, exception != null); |
| 39 Expect.equals(3, list.length); | 39 Expect.equals(3, list.length); |
| 40 | 40 |
| 41 exception = null; | 41 exception = null; |
| 42 try { | 42 try { |
| 43 list.sort((a, b) => a < b); | 43 list.sort((a, b) => a < b); |
| 44 } on UnsupportedOperationException catch (e) { | 44 } on StateError catch (e) { |
| 45 exception = e; | 45 exception = e; |
| 46 } | 46 } |
| 47 Expect.equals(true, exception != null); | 47 Expect.equals(true, exception != null); |
| 48 Expect.equals(3, list.length); | 48 Expect.equals(3, list.length); |
| 49 Expect.equals(4, list[0]); | 49 Expect.equals(4, list[0]); |
| 50 Expect.equals(2, list[1]); | 50 Expect.equals(2, list[1]); |
| 51 Expect.equals(3, list[2]); | 51 Expect.equals(3, list[2]); |
| 52 | 52 |
| 53 exception = null; | 53 exception = null; |
| 54 try { | 54 try { |
| 55 list.setRange(0, 1, [1], 0); | 55 list.setRange(0, 1, [1], 0); |
| 56 } on UnsupportedOperationException catch (e) { | 56 } on StateError catch (e) { |
| 57 exception = e; | 57 exception = e; |
| 58 } | 58 } |
| 59 Expect.equals(true, exception != null); | 59 Expect.equals(true, exception != null); |
| 60 Expect.equals(3, list.length); | 60 Expect.equals(3, list.length); |
| 61 Expect.equals(4, list[0]); | 61 Expect.equals(4, list[0]); |
| 62 Expect.equals(2, list[1]); | 62 Expect.equals(2, list[1]); |
| 63 Expect.equals(3, list[2]); | 63 Expect.equals(3, list[2]); |
| 64 | 64 |
| 65 // Note: the next check is a regression test for dart2js. The immutable list | 65 // Note: the next check is a regression test for dart2js. The immutable list |
| 66 // overrides the 'length' property of List, but relies on using the native | 66 // overrides the 'length' property of List, but relies on using the native |
| 67 // 'forEach' construct in Array. This test ensures that our strategy works | 67 // 'forEach' construct in Array. This test ensures that our strategy works |
| 68 // correctly. | 68 // correctly. |
| 69 int x = 0; | 69 int x = 0; |
| 70 list.forEach((e) { x += e; }); | 70 list.forEach((e) { x += e; }); |
| 71 Expect.equals(9, x); | 71 Expect.equals(9, x); |
| 72 } | 72 } |
| 73 } | 73 } |
| 74 | 74 |
| 75 main() { | 75 main() { |
| 76 ConstListLiteralTest.testMain(); | 76 ConstListLiteralTest.testMain(); |
| 77 } | 77 } |
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