1//     __ _____ _____ _____
2//  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
3// |  |  |__   |  |  | | | |  version 3.11.2
4// |_____|_____|_____|_|___|  https://github.com/nlohmann/json
5//
6// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
7// SPDX-License-Identifier: MIT
8
9#include "doctest_compatibility.h"
10
11#include <nlohmann/json.hpp>
12using nlohmann::json;
13using nlohmann::ordered_json;
14
15
16TEST_CASE("ordered_json")
17{
18    json j;
19    ordered_json oj;
20
21    j["element3"] = 3;
22    j["element1"] = 1;
23    j["element2"] = 2;
24
25    oj["element3"] = 3;
26    oj["element1"] = 1;
27    oj["element2"] = 2;
28
29    CHECK(j.dump() == "{\"element1\":1,\"element2\":2,\"element3\":3}");
30    CHECK(oj.dump() == "{\"element3\":3,\"element1\":1,\"element2\":2}");
31
32    CHECK(j == json(oj));
33    CHECK(ordered_json(json(oj)) == ordered_json(j));
34
35    j.erase("element1");
36    oj.erase("element1");
37
38    CHECK(j.dump() == "{\"element2\":2,\"element3\":3}");
39    CHECK(oj.dump() == "{\"element3\":3,\"element2\":2}");
40
41    // remove again and nothing changes
42    j.erase("element1");
43    oj.erase("element1");
44
45    CHECK(j.dump() == "{\"element2\":2,\"element3\":3}");
46    CHECK(oj.dump() == "{\"element3\":3,\"element2\":2}");
47
48    // There are no dup keys cause constructor calls emplace...
49    json multi {{"z", 1}, {"m", 2}, {"m", 3}, {"y", 4}, {"m", 5}};
50    CHECK(multi.size() == 3);
51    CHECK(multi.dump() == "{\"m\":2,\"y\":4,\"z\":1}");
52
53    ordered_json multi_ordered {{"z", 1}, {"m", 2}, {"m", 3}, {"y", 4}, {"m", 5}};
54    CHECK(multi_ordered.size() == 3);
55    CHECK(multi_ordered.dump() == "{\"z\":1,\"m\":2,\"y\":4}");
56    CHECK(multi_ordered.erase("m") == 1);
57    CHECK(multi_ordered.dump() == "{\"z\":1,\"y\":4}");
58
59    // Ranged insert test.
60    // It seems that values shouldn't be overwritten. Only new values are added
61    json j1 {{"c", 1}, {"b", 2}, {"a", 3}};
62    const json j2 {{"c", 77}, {"d", 42}, {"a", 4}};
63    j1.insert( j2.cbegin(), j2.cend() );
64    CHECK(j1.size() == 4);
65    CHECK(j1.dump() == "{\"a\":3,\"b\":2,\"c\":1,\"d\":42}");
66
67    ordered_json oj1 {{"c", 1}, {"b", 2}, {"a", 3}};
68    const ordered_json oj2 {{"c", 77}, {"d", 42}, {"a", 4}};
69    oj1.insert( oj2.cbegin(), oj2.cend() );
70    CHECK(oj1.size() == 4);
71    CHECK(oj1.dump() == "{\"c\":1,\"b\":2,\"a\":3,\"d\":42}");
72}
73