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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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