1 // Copyright (c) 2014 The Chromium OS 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 <brillo/map_utils.h>
6
7 #include <string>
8
9 #include <gtest/gtest.h>
10
11 namespace brillo {
12
13 class MapUtilsTest : public ::testing::Test {
14 public:
SetUp()15 void SetUp() override {
16 map_ = {
17 {"key1", 1}, {"key2", 2}, {"key3", 3}, {"key4", 4}, {"key5", 5},
18 };
19 }
20
TearDown()21 void TearDown() override { map_.clear(); }
22
23 std::map<std::string, int> map_;
24 };
25
TEST_F(MapUtilsTest,GetMapKeys)26 TEST_F(MapUtilsTest, GetMapKeys) {
27 std::set<std::string> keys = GetMapKeys(map_);
28 EXPECT_EQ((std::set<std::string>{"key1", "key2", "key3", "key4", "key5"}),
29 keys);
30 }
31
TEST_F(MapUtilsTest,GetMapKeysAsVector)32 TEST_F(MapUtilsTest, GetMapKeysAsVector) {
33 std::vector<std::string> keys = GetMapKeysAsVector(map_);
34 EXPECT_EQ((std::vector<std::string>{"key1", "key2", "key3", "key4", "key5"}),
35 keys);
36 }
37
TEST_F(MapUtilsTest,GetMapValues)38 TEST_F(MapUtilsTest, GetMapValues) {
39 std::vector<int> values = GetMapValues(map_);
40 EXPECT_EQ((std::vector<int>{1, 2, 3, 4, 5}), values);
41 }
42
TEST_F(MapUtilsTest,MapToVector)43 TEST_F(MapUtilsTest, MapToVector) {
44 std::vector<std::pair<std::string, int>> elements = MapToVector(map_);
45 std::vector<std::pair<std::string, int>> expected{
46 {"key1", 1}, {"key2", 2}, {"key3", 3}, {"key4", 4}, {"key5", 5},
47 };
48 EXPECT_EQ(expected, elements);
49 }
50
TEST_F(MapUtilsTest,Empty)51 TEST_F(MapUtilsTest, Empty) {
52 std::map<int, double> empty_map;
53 EXPECT_TRUE(GetMapKeys(empty_map).empty());
54 EXPECT_TRUE(GetMapKeysAsVector(empty_map).empty());
55 EXPECT_TRUE(GetMapValues(empty_map).empty());
56 EXPECT_TRUE(MapToVector(empty_map).empty());
57 }
58
59 } // namespace brillo
60