1 // Copyright 2024 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 #include "pw_containers/flat_map.h"
16
17 #include "pw_unit_test/framework.h"
18
19 namespace examples {
20
21 // DOCSTAG: [pw_containers-flat_map]
22
23 using pw::containers::FlatMap;
24 using pw::containers::Pair;
25
26 // Initialized by an initializer list.
27 FlatMap<int, char, 2> my_flat_map1({{
28 {1, 'a'},
29 {-3, 'b'},
30 }});
31
32 // Initialized by a std::array of Pair<K, V> objects.
33 std::array<Pair<int, char>, 2> my_array{{
34 {1, 'a'},
35 {-3, 'b'},
36 }};
37 FlatMap my_flat_map2(my_array);
38
39 // Initialized by Pair<K, V> objects.
40 FlatMap my_flat_map3 = {
41 Pair<int, char>{1, 'a'},
42 Pair<int, char>{-3, 'b'},
43 };
44
45 // DOCSTAG: [pw_containers-flat_map]
46
47 } // namespace examples
48
49 namespace {
50
TEST(FlapMapExampleTest,CheckValues)51 TEST(FlapMapExampleTest, CheckValues) {
52 EXPECT_EQ(examples::my_flat_map1.at(1), 'a');
53 EXPECT_EQ(examples::my_flat_map1.at(-3), 'b');
54 EXPECT_EQ(examples::my_flat_map2.at(1), 'a');
55 EXPECT_EQ(examples::my_flat_map2.at(-3), 'b');
56 EXPECT_EQ(examples::my_flat_map3.at(1), 'a');
57 EXPECT_EQ(examples::my_flat_map3.at(-3), 'b');
58 }
59
60 } // namespace
61