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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "base/containers/adapters.h" | 5 #include "base/containers/adapters.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "testing/gtest/include/gtest/gtest.h" | 9 #include "testing/gtest/include/gtest/gtest.h" |
10 | 10 |
11 namespace { | 11 namespace { |
12 | 12 |
13 TEST(AdaptersTest, Reversed) { | 13 TEST(AdaptersTest, Reversed) { |
14 std::vector<int> v; | 14 std::vector<int> v; |
15 v.push_back(3); | 15 v.push_back(3); |
16 v.push_back(2); | 16 v.push_back(2); |
17 v.push_back(1); | 17 v.push_back(1); |
18 int j = 0; | 18 int j = 0; |
19 for (int& i : base::Reversed(v)) { | 19 for (int& i : base::Reversed(v)) { |
20 EXPECT_EQ(++j, i); | 20 EXPECT_EQ(++j, i); |
21 i += 100; | 21 i += 100; |
22 } | 22 } |
23 EXPECT_EQ(103, v[0]); | 23 EXPECT_EQ(103, v[0]); |
24 EXPECT_EQ(102, v[1]); | 24 EXPECT_EQ(102, v[1]); |
25 EXPECT_EQ(101, v[2]); | 25 EXPECT_EQ(101, v[2]); |
26 } | 26 } |
27 | 27 |
28 TEST(AdaptersTest, ConstReversed) { | 28 TEST(AdaptersTest, ReversedArray) { |
| 29 int v[3] = {3, 2, 1}; |
| 30 int j = 0; |
| 31 for (int& i : base::Reversed(v)) { |
| 32 EXPECT_EQ(++j, i); |
| 33 i += 100; |
| 34 } |
| 35 EXPECT_EQ(103, v[0]); |
| 36 EXPECT_EQ(102, v[1]); |
| 37 EXPECT_EQ(101, v[2]); |
| 38 } |
| 39 |
| 40 TEST(AdaptersTest, ReversedConst) { |
29 std::vector<int> v; | 41 std::vector<int> v; |
30 v.push_back(3); | 42 v.push_back(3); |
31 v.push_back(2); | 43 v.push_back(2); |
32 v.push_back(1); | 44 v.push_back(1); |
33 const std::vector<int>& cv = v; | 45 const std::vector<int>& cv = v; |
34 int j = 0; | 46 int j = 0; |
35 for (int i : base::Reversed(cv)) { | 47 for (int i : base::Reversed(cv)) { |
36 EXPECT_EQ(++j, i); | 48 EXPECT_EQ(++j, i); |
37 } | 49 } |
38 } | 50 } |
39 | 51 |
40 } // namespace | 52 } // namespace |
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