1 /**
2  * Copyright © 2024 IBM Corporation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "format_utils.hpp"
18 
19 #include <array>
20 #include <span>
21 #include <string>
22 #include <vector>
23 
24 #include <gtest/gtest.h>
25 
26 using namespace phosphor::power::format_utils;
27 
28 TEST(FormatUtilsTests, toString)
29 {
30     // Test with spans from integer vector
31     {
32         std::vector<int> vec{1, 3, 5, 7, 9, 11};
33         std::span<int> spn{vec};
34         EXPECT_EQ(toString(spn), "[1, 3, 5, 7, 9, 11]");
35         EXPECT_EQ(toString(spn.subspan(0, 4)), "[1, 3, 5, 7]");
36         EXPECT_EQ(toString(spn.subspan(3, 3)), "[7, 9, 11]");
37         EXPECT_EQ(toString(spn.subspan(5, 1)), "[11]");
38         EXPECT_EQ(toString(spn.subspan(0, 0)), "[]");
39     }
40 
41     // Test with spans from double vector
42     {
43         std::vector<double> vec{2.1, -3.9, 21.03};
44         std::span<double> spn{vec};
45         EXPECT_EQ(toString(spn), "[2.1, -3.9, 21.03]");
46     }
47 
48     // Test with span from empty vector
49     {
50         std::vector<int> vec{};
51         std::span<int> spn{vec};
52         EXPECT_EQ(toString(spn), "[]");
53     }
54 
55     // Test with spans from string array
56     {
57         std::array<std::string, 3> ary{"cow", "horse", "zebra"};
58         std::span<std::string> spn{ary};
59         EXPECT_EQ(toString(spn), "[cow, horse, zebra]");
60         EXPECT_EQ(toString(spn.subspan(1, 2)), "[horse, zebra]");
61     }
62 }
63