OLD | NEW |
1 // Copyright 2014 Google Inc. All Rights Reserved. | 1 // Copyright 2014 Google Inc. All Rights Reserved. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
13 // limitations under the License. | 13 // limitations under the License. |
14 | 14 |
15 library quiver.iterables.partition_test; | 15 library quiver.iterables.partition_test; |
16 | 16 |
17 import 'package:test/test.dart'; | 17 import 'package:test/test.dart'; |
18 import 'package:quiver/iterables.dart'; | 18 import 'package:quiver_iterables/iterables.dart'; |
19 | 19 |
20 main() { | 20 main() { |
21 group('partition', () { | 21 group('partition', () { |
22 test('should throw when size is <= 0', () { | 22 test('should throw when size is <= 0', () { |
23 expect(() => partition([1, 2, 3], 0), throwsArgumentError); | 23 expect(() => partition([1, 2, 3], 0), throwsArgumentError); |
24 expect(() => partition([1, 2, 3], -1), throwsArgumentError); | 24 expect(() => partition([1, 2, 3], -1), throwsArgumentError); |
25 }); | 25 }); |
26 | 26 |
27 test('should return an empty list for empty input iterable', () { | 27 test('should return an empty list for empty input iterable', () { |
28 expect(partition([], 5), equals([])); | 28 expect(partition([], 5), equals([])); |
29 }); | 29 }); |
30 | 30 |
31 test('should return one partition if partition size < input size', () { | 31 test('should return one partition if partition size < input size', () { |
32 var it = partition([1, 2, 3], 5).iterator; | 32 var it = partition([1, 2, 3], 5).iterator; |
33 expect(it.moveNext(), isTrue); | 33 expect(it.moveNext(), isTrue); |
34 expect(it.current, equals([1, 2, 3])); | 34 expect(it.current, equals([1, 2, 3])); |
35 expect(it.moveNext(), isFalse); | 35 expect(it.moveNext(), isFalse); |
36 expect(it.current, isNull); | 36 expect(it.current, isNull); |
37 }); | 37 }); |
38 | 38 |
39 test('should return one partition if partition size == input size', () { | 39 test('should return one partition if partition size == input size', () { |
40 var it = partition([1, 2, 3, 4, 5], 5).iterator; | 40 var it = partition([1, 2, 3, 4, 5], 5).iterator; |
41 expect(it.moveNext(), isTrue); | 41 expect(it.moveNext(), isTrue); |
42 expect(it.current, equals([1, 2, 3, 4, 5])); | 42 expect(it.current, equals([1, 2, 3, 4, 5])); |
43 expect(it.moveNext(), isFalse); | 43 expect(it.moveNext(), isFalse); |
44 expect(it.current, isNull); | 44 expect(it.current, isNull); |
45 }); | 45 }); |
46 | 46 |
47 test('should return partitions of correct size if ' | 47 test( |
| 48 'should return partitions of correct size if ' |
48 'partition size > input size', () { | 49 'partition size > input size', () { |
49 var it = partition([1, 2, 3, 4, 5], 3).iterator; | 50 var it = partition([1, 2, 3, 4, 5], 3).iterator; |
50 expect(it.moveNext(), isTrue); | 51 expect(it.moveNext(), isTrue); |
51 expect(it.current, equals([1, 2, 3])); | 52 expect(it.current, equals([1, 2, 3])); |
52 expect(it.moveNext(), isTrue); | 53 expect(it.moveNext(), isTrue); |
53 expect(it.current, equals([4, 5])); | 54 expect(it.current, equals([4, 5])); |
54 expect(it.moveNext(), isFalse); | 55 expect(it.moveNext(), isFalse); |
55 expect(it.current, isNull); | 56 expect(it.current, isNull); |
56 }); | 57 }); |
57 }); | 58 }); |
58 } | 59 } |
OLD | NEW |