OLD | NEW |
(Empty) | |
| 1 // Copyright (c) 2013, 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 |
| 6 import "package:expect/expect.dart"; |
| 7 |
| 8 main() { |
| 9 bool checkedMode = false; |
| 10 assert((checkedMode = true)); |
| 11 void test(expectedList, generatedIterable) { |
| 12 Expect.equals(expectedList.length, generatedIterable.length); |
| 13 Expect.listEquals(expectedList, generatedIterable.toList()); |
| 14 } |
| 15 test([], new Iterable.generate(0)); |
| 16 test([0], new Iterable.generate(1)); |
| 17 test([0,1,2,3,4], new Iterable.generate(5)); |
| 18 test(["0","1","2","3","4"], new Iterable.generate(5, (x) => "$x")); |
| 19 test([2,3,4,5,6], new Iterable.generate(7).skip(2)); |
| 20 test([0,1,2,3,4], new Iterable.generate(7).take(5)); |
| 21 test([], new Iterable.generate(5).skip(6)); |
| 22 test([], new Iterable.generate(5).take(0)); |
| 23 test([], new Iterable.generate(5).take(3).skip(3)); |
| 24 test([], new Iterable.generate(5).skip(6).take(0)); |
| 25 |
| 26 // Test types. |
| 27 |
| 28 Iterable<int> it = new Iterable<int>.generate(5); |
| 29 Expect.isTrue(it is Iterable<int>); |
| 30 Expect.isTrue(it.iterator is Iterator<int>); |
| 31 Expect.isTrue(it is! Iterable<String>); |
| 32 Expect.isTrue(it.iterator is! Iterator<String>); |
| 33 test([0,1,2,3,4], it); |
| 34 |
| 35 Iterable<String> st = new Iterable<String>.generate(5, (x) => "$x"); |
| 36 Expect.isTrue(st is Iterable<String>); |
| 37 Expect.isTrue(st.iterator is Iterator<String>); |
| 38 Expect.isFalse(st is Iterable<int>); |
| 39 Expect.isFalse(st.iterator is Iterator<int>); |
| 40 test(["0","1","2","3","4"], st); |
| 41 |
| 42 if (checkedMode) { |
| 43 Expect.throws(() => new Iterable<String>.generate(5)); |
| 44 } |
| 45 } |
OLD | NEW |