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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 main() { |
| 6 var list = []; |
| 7 list.removeRange(0, 0); |
| 8 Expect.equals(0, list.length); |
| 9 expectIOORE(() { list.removeRange(0, 1); }); |
| 10 |
| 11 list.add(1); |
| 12 list.removeRange(0, 0); |
| 13 Expect.equals(1, list.length); |
| 14 Expect.equals(1, list[0]); |
| 15 |
| 16 expectIOORE(() { list.removeRange(0, 2); }); |
| 17 Expect.equals(1, list.length); |
| 18 Expect.equals(1, list[0]); |
| 19 |
| 20 list.removeRange(0, 1); |
| 21 Expect.equals(0, list.length); |
| 22 |
| 23 list.addAll([3, 4, 5, 6]); |
| 24 Expect.equals(4, list.length); |
| 25 list.removeRange(0, 4); |
| 26 Expect.listEquals([], list); |
| 27 |
| 28 list.addAll([3, 4, 5, 6]); |
| 29 list.removeRange(2, 2); |
| 30 Expect.listEquals([3, 4], list); |
| 31 list.addAll([5, 6]); |
| 32 |
| 33 expectIOORE(() { list.removeRange(4, 1); }); |
| 34 Expect.listEquals([3, 4, 5, 6], list); |
| 35 |
| 36 list.removeRange(1, 2); |
| 37 Expect.listEquals([3, 6], list); |
| 38 |
| 39 testNegativeIndices(); |
| 40 } |
| 41 |
| 42 void expectIOORE(Function f) { |
| 43 Expect.throws(f, (e) => e is IndexOutOfRangeException); |
| 44 } |
| 45 |
| 46 void testNegativeIndices() { |
| 47 var list = [1, 2]; |
| 48 expectIOORE(() { list.removeRange(-1, 1); }); |
| 49 Expect.listEquals([1, 2], list); |
| 50 |
| 51 // A negative length throws an IllegalArgumentException. |
| 52 Expect.throws(() { list.removeRange(0, -1); }, |
| 53 (e) => e is IllegalArgumentException); |
| 54 Expect.listEquals([1, 2], list); |
| 55 |
| 56 Expect.throws(() { list.removeRange(-1, -1); }, |
| 57 (e) => e is IllegalArgumentException); |
| 58 Expect.listEquals([1, 2], list); |
| 59 |
| 60 // A zero length prevails, and does not throw an exception. |
| 61 list.removeRange(-1, 0); |
| 62 Expect.listEquals([1, 2], list); |
| 63 |
| 64 list.removeRange(4, 0); |
| 65 Expect.listEquals([1, 2], list); |
| 66 } |
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