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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 import "package:expect/expect.dart"; | |
| 6 | |
| 7 main() { | |
| 8 var list = []; | |
| 9 list.removeRange(0, 0); | |
| 10 Expect.equals(0, list.length); | |
| 11 expectIOORE(() { | |
| 12 list.removeRange(0, 1); | |
| 13 }); | |
| 14 | |
| 15 list.add(1); | |
| 16 list.removeRange(0, 0); | |
| 17 Expect.equals(1, list.length); | |
| 18 Expect.equals(1, list[0]); | |
| 19 | |
| 20 expectIOORE(() { | |
| 21 list.removeRange(0, 2); | |
| 22 }); | |
| 23 Expect.equals(1, list.length); | |
| 24 Expect.equals(1, list[0]); | |
| 25 | |
| 26 list.removeRange(0, 1); | |
| 27 Expect.equals(0, list.length); | |
| 28 | |
| 29 list.addAll([3, 4, 5, 6]); | |
| 30 Expect.equals(4, list.length); | |
| 31 list.removeRange(0, 4); | |
| 32 Expect.listEquals([], list); | |
| 33 | |
| 34 list.addAll([3, 4, 5, 6]); | |
| 35 list.removeRange(2, 4); | |
| 36 Expect.listEquals([3, 4], list); | |
| 37 list.addAll([5, 6]); | |
| 38 | |
| 39 expectIOORE(() { | |
| 40 list.removeRange(4, 5); | |
| 41 }); | |
| 42 Expect.listEquals([3, 4, 5, 6], list); | |
| 43 | |
| 44 list.removeRange(1, 3); | |
| 45 Expect.listEquals([3, 6], list); | |
| 46 | |
| 47 testNegativeIndices(); | |
| 48 } | |
| 49 | |
| 50 void expectIOORE(Function f) { | |
| 51 Expect.throws(f, (e) => e is RangeError); | |
| 52 } | |
| 53 | |
| 54 void testNegativeIndices() { | |
| 55 var list = [1, 2]; | |
| 56 expectIOORE(() { | |
| 57 list.removeRange(-1, 1); | |
| 58 }); | |
| 59 Expect.listEquals([1, 2], list); | |
| 60 | |
| 61 // A negative length throws an ArgumentError. | |
| 62 expectIOORE(() { | |
| 63 list.removeRange(0, -1); | |
| 64 }); | |
| 65 Expect.listEquals([1, 2], list); | |
| 66 | |
| 67 expectIOORE(() { | |
| 68 list.removeRange(-1, -1); | |
| 69 }); | |
| 70 Expect.listEquals([1, 2], list); | |
| 71 | |
| 72 expectIOORE(() { | |
| 73 list.removeRange(-1, 0); | |
| 74 }); | |
| 75 | |
| 76 expectIOORE(() { | |
| 77 list.removeRange(4, 4); | |
| 78 }); | |
| 79 Expect.listEquals([1, 2], list); | |
| 80 } | |
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