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| 1 // Copyright (c) 2012, 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 List<int> list1 = <int>[1, 2, 3]; |
| 7 List<int> list2 = const <int>[4, 5]; |
| 8 List<String> list3 = <String>[]; |
| 9 Set<int> set1 = new Set<int>(); |
| 10 set1..add(11) |
| 11 ..add(12) |
| 12 ..add(13); |
| 13 Set set2 = new Set(); |
| 14 |
| 15 Iterable<int> skipWhileTrue = list1.skipWhile((x) => true); |
| 16 Iterator<int> it = skipWhileTrue.iterator; |
| 17 Expect.isNull(it.current); |
| 18 Expect.isFalse(it.moveNext()); |
| 19 Expect.isNull(it.current); |
| 20 |
| 21 Iterable<int> skipWhileOdd = list1.skipWhile((x) => x.isOdd); |
| 22 it = skipWhileOdd.iterator; |
| 23 Expect.isNull(it.current); |
| 24 Expect.isTrue(it.moveNext()); |
| 25 Expect.equals(2, it.current); |
| 26 Expect.isTrue(it.moveNext()); |
| 27 Expect.equals(3, it.current); |
| 28 Expect.isFalse(it.moveNext()); |
| 29 Expect.isNull(it.current); |
| 30 |
| 31 Iterable<int> skipWhileLessThan3 = list1.skipWhile((x) => x < 3); |
| 32 it = skipWhileLessThan3.iterator; |
| 33 Expect.isNull(it.current); |
| 34 Expect.isTrue(it.moveNext()); |
| 35 Expect.equals(3, it.current); |
| 36 Expect.isFalse(it.moveNext()); |
| 37 Expect.isNull(it.current); |
| 38 |
| 39 Iterable<int> skipWhileFalse = list1.skipWhile((x) => false); |
| 40 it = skipWhileFalse.iterator; |
| 41 Expect.isNull(it.current); |
| 42 Expect.isTrue(it.moveNext()); |
| 43 Expect.equals(1, it.current); |
| 44 Expect.isTrue(it.moveNext()); |
| 45 Expect.equals(2, it.current); |
| 46 Expect.isTrue(it.moveNext()); |
| 47 Expect.equals(3, it.current); |
| 48 Expect.isFalse(it.moveNext()); |
| 49 Expect.isNull(it.current); |
| 50 |
| 51 Iterable<int> skipWhileEven = list1.skipWhile((x) => x.isEven); |
| 52 it = skipWhileEven.iterator; |
| 53 Expect.isNull(it.current); |
| 54 Expect.isTrue(it.moveNext()); |
| 55 Expect.equals(1, it.current); |
| 56 Expect.isTrue(it.moveNext()); |
| 57 Expect.equals(2, it.current); |
| 58 Expect.isTrue(it.moveNext()); |
| 59 Expect.equals(3, it.current); |
| 60 Expect.isFalse(it.moveNext()); |
| 61 Expect.isNull(it.current); |
| 62 |
| 63 skipWhileTrue = list2.skipWhile((x) => true); |
| 64 it = skipWhileTrue.iterator; |
| 65 Expect.isNull(it.current); |
| 66 Expect.isFalse(it.moveNext()); |
| 67 Expect.isNull(it.current); |
| 68 |
| 69 skipWhileEven = list2.skipWhile((x) => x.isEven); |
| 70 it = skipWhileEven.iterator; |
| 71 Expect.isNull(it.current); |
| 72 Expect.isTrue(it.moveNext()); |
| 73 Expect.equals(5, it.current); |
| 74 Expect.isFalse(it.moveNext()); |
| 75 Expect.isNull(it.current); |
| 76 |
| 77 skipWhileOdd = list2.skipWhile((x) => x.isOdd); |
| 78 it = skipWhileOdd.iterator; |
| 79 Expect.isNull(it.current); |
| 80 Expect.isTrue(it.moveNext()); |
| 81 Expect.equals(4, it.current); |
| 82 Expect.isTrue(it.moveNext()); |
| 83 Expect.equals(5, it.current); |
| 84 Expect.isFalse(it.moveNext()); |
| 85 Expect.isNull(it.current); |
| 86 |
| 87 skipWhileFalse = list2.skipWhile((x) => false); |
| 88 it = skipWhileFalse.iterator; |
| 89 Expect.isNull(it.current); |
| 90 Expect.isTrue(it.moveNext()); |
| 91 Expect.equals(4, it.current); |
| 92 Expect.isTrue(it.moveNext()); |
| 93 Expect.equals(5, it.current); |
| 94 Expect.isFalse(it.moveNext()); |
| 95 Expect.isNull(it.current); |
| 96 |
| 97 Iterable<String> skipWhileFalse2 = list3.skipWhile((x) => false); |
| 98 Iterator<String> it2 = skipWhileFalse2.iterator; |
| 99 Expect.isNull(it2.current); |
| 100 Expect.isFalse(it2.moveNext()); |
| 101 Expect.isNull(it2.current); |
| 102 |
| 103 Iterable<String> skipWhileTrue2 = list3.skipWhile((x) => true); |
| 104 it2 = skipWhileTrue2.iterator; |
| 105 Expect.isNull(it2.current); |
| 106 Expect.isFalse(it2.moveNext()); |
| 107 Expect.isNull(it2.current); |
| 108 |
| 109 skipWhileTrue = set1.skipWhile((x) => true); |
| 110 it = skipWhileTrue.iterator; |
| 111 Expect.isNull(it.current); |
| 112 Expect.isFalse(it.moveNext()); |
| 113 Expect.isNull(it.current); |
| 114 |
| 115 skipWhileFalse = set1.skipWhile((x) => false); |
| 116 List<int> copied = skipWhileFalse.toList(); |
| 117 Expect.equals(3, copied.length); |
| 118 Expect.isTrue(set1.contains(copied[0])); |
| 119 Expect.isTrue(set1.contains(copied[1])); |
| 120 Expect.isTrue(set1.contains(copied[1])); |
| 121 Expect.isTrue(copied[0] != copied[1]); |
| 122 Expect.isTrue(copied[0] != copied[2]); |
| 123 Expect.isTrue(copied[1] != copied[2]); |
| 124 it = skipWhileFalse.iterator; |
| 125 Expect.isNull(it.current); |
| 126 Expect.isTrue(it.moveNext()); |
| 127 Expect.isTrue(it.current != null); |
| 128 Expect.isTrue(it.moveNext()); |
| 129 Expect.isTrue(it.current != null); |
| 130 Expect.isTrue(it.moveNext()); |
| 131 Expect.isTrue(it.current != null); |
| 132 Expect.isFalse(it.moveNext()); |
| 133 Expect.isNull(it.current); |
| 134 |
| 135 skipWhileTrue = set2.skipWhile((x) => true); |
| 136 it = skipWhileTrue.iterator; |
| 137 Expect.isNull(it.current); |
| 138 Expect.isFalse(it.moveNext()); |
| 139 Expect.isNull(it.current); |
| 140 |
| 141 skipWhileFalse = set2.skipWhile((x) => false); |
| 142 it = skipWhileFalse.iterator; |
| 143 Expect.isNull(it.current); |
| 144 Expect.isFalse(it.moveNext()); |
| 145 Expect.isNull(it.current); |
| 146 } |
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