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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/containers/adapters.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 | |
| 11 namespace { | |
| 12 | |
| 13 TEST(AdaptersTest, Reversed) { | |
| 14 std::vector<int> v; | |
| 15 v.push_back(3); | |
| 16 v.push_back(2); | |
| 17 v.push_back(1); | |
| 18 int j = 0; | |
| 19 for (int& i : base::Reversed(v)) { | |
| 20 EXPECT_EQ(++j, i); | |
| 21 i += 100; | |
| 22 } | |
| 23 EXPECT_EQ(103, v[0]); | |
| 24 EXPECT_EQ(102, v[1]); | |
| 25 EXPECT_EQ(101, v[2]); | |
| 26 } | |
| 27 | |
| 28 TEST(AdaptersTest, ConstReversed) { | |
| 29 std::vector<int> v; | |
| 30 v.push_back(3); | |
| 31 v.push_back(2); | |
| 32 v.push_back(1); | |
| 33 const std::vector<int>& cv = v; | |
| 34 int j = 0; | |
| 35 for (int i : base::Reversed(cv)) { | |
| 36 EXPECT_EQ(++j, i); | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 } // namespace | |
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