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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.property_iterable_test; | 15 library quiver.iterables.property_iterable_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('GeneratingIterable', () { | 21 group('GeneratingIterable', () { |
22 test("should create an empty iterable for a null start object", () { | 22 test("should create an empty iterable for a null start object", () { |
23 var iterable = new GeneratingIterable(() => null, (n) => null); | 23 var iterable = new GeneratingIterable(() => null, (n) => null); |
24 expect(iterable, []); | 24 expect(iterable, []); |
25 }); | 25 }); |
26 | 26 |
27 test("should create one-item empty iterable when next returns null", () { | 27 test("should create one-item empty iterable when next returns null", () { |
28 var iterable = new GeneratingIterable(() => "Hello", (n) => null); | 28 var iterable = new GeneratingIterable(() => "Hello", (n) => null); |
29 expect(iterable, ["Hello"]); | 29 expect(iterable, ["Hello"]); |
30 }); | 30 }); |
31 | 31 |
32 test("should add items until next returns null", () { | 32 test("should add items until next returns null", () { |
33 var parent = new Node(); | 33 var parent = new Node(); |
34 var node = new Node()..parent = parent; | 34 var node = new Node()..parent = parent; |
35 var iterable = new GeneratingIterable<Node>(() => node, (n) => n.parent); | 35 var iterable = new GeneratingIterable<Node>(() => node, (n) => n.parent); |
36 expect(iterable, [node, parent]); | 36 expect(iterable, [node, parent]); |
37 }); | 37 }); |
38 }); | 38 }); |
39 } | 39 } |
40 | 40 |
41 class Node { | 41 class Node { |
42 Node parent; | 42 Node parent; |
43 } | 43 } |
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