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| 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 | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 // Test that a final list literal is not expandable nor modifiable. | |
| 6 | |
| 7 class ConstListLiteralTest { | |
| 8 | |
| 9 static void testMain() { | |
| 10 var list = const [4, 2, 3]; | |
| 11 Expect.equals(3, list.length); | |
| 12 | |
| 13 var exception = null; | |
| 14 try { | |
| 15 list.add(4); | |
| 16 } catch (UnsupportedOperationException e) { | |
| 17 exception = e; | |
| 18 } | |
| 19 Expect.equals(true, exception != null); | |
| 20 Expect.equals(3, list.length); | |
| 21 exception = null; | |
| 22 | |
| 23 exception = null; | |
| 24 try { | |
| 25 list.addAll([4, 5]); | |
| 26 } catch (UnsupportedOperationException e) { | |
| 27 exception = e; | |
| 28 } | |
| 29 Expect.equals(true, exception != null); | |
| 30 Expect.equals(3, list.length); | |
| 31 | |
| 32 exception = null; | |
| 33 try { | |
| 34 list[0] = 0; | |
| 35 } catch (UnsupportedOperationException e) { | |
| 36 exception = e; | |
| 37 } | |
| 38 Expect.equals(true, exception != null); | |
| 39 Expect.equals(3, list.length); | |
| 40 | |
| 41 exception = null; | |
| 42 try { | |
| 43 list.sort((a, b) => a < b); | |
| 44 } catch (UnsupportedOperationException e) { | |
| 45 exception = e; | |
| 46 } | |
| 47 Expect.equals(true, exception != null); | |
| 48 Expect.equals(3, list.length); | |
| 49 Expect.equals(4, list[0]); | |
| 50 Expect.equals(2, list[1]); | |
| 51 Expect.equals(3, list[2]); | |
| 52 | |
| 53 exception = null; | |
| 54 try { | |
| 55 list.copyFrom([1], 0, 0, 1); | |
| 56 } catch (NoSuchMethodException e) { | |
| 57 // TODO(ahe): While we are resolving CL 9839101, we have two | |
| 58 // cases: the VMs implementation class has a method named | |
| 59 // copyFrom, dart2js does not. | |
| 60 exception = e; | |
| 61 } catch (UnsupportedOperationException e) { | |
| 62 exception = e; | |
| 63 } | |
| 64 Expect.equals(true, exception != null); | |
| 65 Expect.equals(3, list.length); | |
| 66 Expect.equals(4, list[0]); | |
| 67 Expect.equals(2, list[1]); | |
| 68 Expect.equals(3, list[2]); | |
| 69 | |
| 70 // Note: the next check is a regression test for frog. The immutable list | |
| 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 | |
| 73 // correctly. | |
| 74 int x = 0; | |
| 75 list.forEach((e) { x += e; }); | |
| 76 Expect.equals(9, x); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 main() { | |
| 81 ConstListLiteralTest.testMain(); | |
| 82 } | |
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