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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/base/models/tree_node_iterator.h" | 5 #include "ui/base/models/tree_node_iterator.h" |
| 6 | 6 |
| 7 #include "base/bind.h" |
| 7 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
| 8 #include "ui/base/models/tree_node_model.h" | 9 #include "ui/base/models/tree_node_model.h" |
| 9 | 10 |
| 10 namespace ui { | 11 namespace ui { |
| 11 | 12 |
| 12 namespace { | 13 namespace { |
| 13 | 14 |
| 14 typedef TreeNodeWithValue<int> TestNode; | 15 typedef TreeNodeWithValue<int> TestNode; |
| 15 | 16 |
| 16 bool PruneOdd(TestNode* node) { | 17 bool PruneOdd(TestNode* node) { |
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| 59 TestNode root; | 60 TestNode root; |
| 60 root.Add(new TestNode(1), 0); | 61 root.Add(new TestNode(1), 0); |
| 61 root.Add(new TestNode(2), 1); | 62 root.Add(new TestNode(2), 1); |
| 62 TestNode* f3 = new TestNode(3); | 63 TestNode* f3 = new TestNode(3); |
| 63 root.Add(f3, 2); | 64 root.Add(f3, 2); |
| 64 TestNode* f4 = new TestNode(4); | 65 TestNode* f4 = new TestNode(4); |
| 65 f3->Add(f4, 0); | 66 f3->Add(f4, 0); |
| 66 f4->Add(new TestNode(5), 0); | 67 f4->Add(new TestNode(5), 0); |
| 67 f3->Add(new TestNode(7), 1); | 68 f3->Add(new TestNode(7), 1); |
| 68 | 69 |
| 69 TreeNodeIterator<TestNode> odd_iterator(&root, PruneOdd); | 70 TreeNodeIterator<TestNode> odd_iterator(&root, base::Bind(&PruneOdd)); |
| 70 ASSERT_TRUE(odd_iterator.has_next()); | 71 ASSERT_TRUE(odd_iterator.has_next()); |
| 71 ASSERT_EQ(2, odd_iterator.Next()->value); | 72 ASSERT_EQ(2, odd_iterator.Next()->value); |
| 72 ASSERT_FALSE(odd_iterator.has_next()); | 73 ASSERT_FALSE(odd_iterator.has_next()); |
| 73 | 74 |
| 74 TreeNodeIterator<TestNode> even_iterator(&root, PruneEven); | 75 TreeNodeIterator<TestNode> even_iterator(&root, base::Bind(&PruneEven)); |
| 75 ASSERT_TRUE(even_iterator.has_next()); | 76 ASSERT_TRUE(even_iterator.has_next()); |
| 76 ASSERT_EQ(1, even_iterator.Next()->value); | 77 ASSERT_EQ(1, even_iterator.Next()->value); |
| 77 ASSERT_TRUE(even_iterator.has_next()); | 78 ASSERT_TRUE(even_iterator.has_next()); |
| 78 ASSERT_EQ(3, even_iterator.Next()->value); | 79 ASSERT_EQ(3, even_iterator.Next()->value); |
| 79 ASSERT_TRUE(even_iterator.has_next()); | 80 ASSERT_TRUE(even_iterator.has_next()); |
| 80 ASSERT_EQ(7, even_iterator.Next()->value); | 81 ASSERT_EQ(7, even_iterator.Next()->value); |
| 81 ASSERT_FALSE(even_iterator.has_next()); | 82 ASSERT_FALSE(even_iterator.has_next()); |
| 82 } | 83 } |
| 83 | 84 |
| 84 } // namespace | 85 } // namespace |
| 85 | 86 |
| 86 } // namespace ui | 87 } // namespace ui |
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