| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| List<int> list1 = <int>[1, 2, 3]; |
| List<int> list2 = const <int>[4, 5]; |
| List<String> list3 = <String>[]; |
| Set<int> set1 = new Set<int>(); |
| set1..add(11)..add(12)..add(13); |
| Set set2 = new Set(); |
| |
| Iterable<int> take0 = list1.take(0); |
| Iterator<int> it = take0.iterator; |
| Expect.isNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| Iterable<int> take1 = list1.take(1); |
| it = take1.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| Iterable<int> take2 = list1.take(2); |
| it = take2.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(2, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| Iterable<int> take3 = list1.take(3); |
| it = take3.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(2, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(3, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| Iterable<int> take4 = list1.take(4); |
| it = take4.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(2, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(3, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take4 = list1.take(4); |
| take3 = take4.take(3); |
| take2 = take3.take(2); |
| take1 = take2.take(1); |
| take0 = take1.take(0); |
| it = take0.iterator; |
| Expect.isNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| it = take1.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| it = take2.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(2, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| it = take3.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(2, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(3, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| it = take4.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(1, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(2, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(3, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take0 = list2.take(0); |
| it = take0.iterator; |
| Expect.isNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take1 = list2.take(1); |
| it = take1.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(4, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take2 = list2.take(2); |
| it = take2.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(4, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(5, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take3 = list2.take(3); |
| it = take3.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(4, it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(5, it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| Iterable<String> take02 = list3.take(0); |
| Iterator<String> it2 = take02.iterator; |
| Expect.isNull(it2.current); |
| Expect.isFalse(it2.moveNext()); |
| Expect.isNull(it2.current); |
| |
| Iterable<String> take12 = list3.take(1); |
| it2 = take12.iterator; |
| Expect.isNull(it2.current); |
| Expect.isFalse(it2.moveNext()); |
| Expect.isNull(it2.current); |
| |
| take0 = set1.take(0); |
| it = take0.iterator; |
| Expect.isNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take1 = set1.take(1); |
| List<int> copied = take1.toList(); |
| Expect.equals(1, copied.length); |
| Expect.isTrue(set1.contains(copied[0])); |
| it = take1.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.isNotNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take2 = set1.take(2); |
| copied = take2.toList(); |
| Expect.equals(2, copied.length); |
| Expect.isTrue(set1.contains(copied[0])); |
| Expect.isTrue(set1.contains(copied[1])); |
| Expect.isTrue(copied[0] != copied[1]); |
| it = take2.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.isNotNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.isNotNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| take3 = set1.take(3); |
| copied = take3.toList(); |
| Expect.equals(3, copied.length); |
| Expect.isTrue(set1.contains(copied[0])); |
| Expect.isTrue(set1.contains(copied[1])); |
| Expect.isTrue(set1.contains(copied[2])); |
| Expect.isTrue(copied[0] != copied[1]); |
| Expect.isTrue(copied[0] != copied[2]); |
| Expect.isTrue(copied[1] != copied[2]); |
| it = take3.iterator; |
| Expect.isNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.isNotNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.isNotNull(it.current); |
| Expect.isTrue(it.moveNext()); |
| Expect.isNotNull(it.current); |
| Expect.isFalse(it.moveNext()); |
| Expect.isNull(it.current); |
| |
| var dynamicTake0 = set2.take(0); |
| var dynamicIt = dynamicTake0.iterator; |
| Expect.isNull(dynamicIt.current); |
| Expect.isFalse(dynamicIt.moveNext()); |
| Expect.isNull(dynamicIt.current); |
| |
| var dynamicTake1 = set2.take(1); |
| dynamicIt = dynamicTake1.iterator; |
| Expect.isNull(dynamicIt.current); |
| Expect.isFalse(dynamicIt.moveNext()); |
| Expect.isNull(dynamicIt.current); |
| |
| Expect.throwsRangeError(() => list1.skip(-1)); |
| Expect.throwsRangeError(() => list2.skip(-1)); |
| Expect.throwsRangeError(() => list3.skip(-1)); |
| Expect.throwsRangeError(() => set1.skip(-1)); |
| Expect.throwsRangeError(() => set2.skip(-1)); |
| Expect.throwsRangeError(() => list1.map((x) => x).skip(-1)); |
| Expect.throwsRangeError(() => list2.map((x) => x).skip(-1)); |
| Expect.throwsRangeError(() => list3.map((x) => x).skip(-1)); |
| Expect.throwsRangeError(() => set1.map((x) => x).skip(-1)); |
| Expect.throwsRangeError(() => set2.map((x) => x).skip(-1)); |
| } |