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Diffstat (limited to 'json4cpp/tests/src/unit-merge_patch.cpp')
| -rw-r--r-- | json4cpp/tests/src/unit-merge_patch.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/json4cpp/tests/src/unit-merge_patch.cpp b/json4cpp/tests/src/unit-merge_patch.cpp new file mode 100644 index 0000000000..f02a1e9919 --- /dev/null +++ b/json4cpp/tests/src/unit-merge_patch.cpp @@ -0,0 +1,244 @@ +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ (supporting code) +// | | |__ | | | | | | version 3.12.0 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me> +// SPDX-License-Identifier: MIT + +#include "doctest_compatibility.h" + +#include <nlohmann/json.hpp> +using nlohmann::json; +#ifdef JSON_TEST_NO_GLOBAL_UDLS + using namespace nlohmann::literals; // NOLINT(google-build-using-namespace) +#endif + +TEST_CASE("JSON Merge Patch") +{ + SECTION("examples from RFC 7396") + { + SECTION("Section 1") + { + json document = R"({ + "a": "b", + "c": { + "d": "e", + "f": "g" + } + })"_json; + + json const patch = R"({ + "a": "z", + "c": { + "f": null + } + })"_json; + + json expected = R"({ + "a": "z", + "c": { + "d": "e" + } + })"_json; + + document.merge_patch(patch); + CHECK(document == expected); + } + + SECTION("Section 3") + { + json document = R"({ + "title": "Goodbye!", + "author": { + "givenName": "John", + "familyName": "Doe" + }, + "tags": [ + "example", + "sample" + ], + "content": "This will be unchanged" + })"_json; + + json const patch = R"({ + "title": "Hello!", + "phoneNumber": "+01-123-456-7890", + "author": { + "familyName": null + }, + "tags": [ + "example" + ] + })"_json; + + json expected = R"({ + "title": "Hello!", + "author": { + "givenName": "John" + }, + "tags": [ + "example" + ], + "content": "This will be unchanged", + "phoneNumber": "+01-123-456-7890" + })"_json; + + document.merge_patch(patch); + CHECK(document == expected); + } + + SECTION("Appendix A") + { + SECTION("Example 1") + { + json original = R"({"a":"b"})"_json; + json const patch = R"({"a":"c"})"_json; + json result = R"({"a":"c"})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 2") + { + json original = R"({"a":"b"})"_json; + json const patch = R"({"b":"c"})"_json; + json result = R"({"a":"b", "b":"c"})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 3") + { + json original = R"({"a":"b"})"_json; + json const patch = R"({"a":null})"_json; + json result = R"({})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 4") + { + json original = R"({"a":"b","b":"c"})"_json; + json const patch = R"({"a":null})"_json; + json result = R"({"b":"c"})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 5") + { + json original = R"({"a":["b"]})"_json; + json const patch = R"({"a":"c"})"_json; + json result = R"({"a":"c"})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 6") + { + json original = R"({"a":"c"})"_json; + json const patch = R"({"a":["b"]})"_json; + json result = R"({"a":["b"]})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 7") + { + json original = R"({"a":{"b": "c"}})"_json; + json const patch = R"({"a":{"b":"d","c":null}})"_json; + json result = R"({"a": {"b": "d"}})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 8") + { + json original = R"({"a":[{"b":"c"}]})"_json; + json const patch = R"({"a":[1]})"_json; + json result = R"({"a":[1]})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 9") + { + json original = R"(["a","b"])"_json; + json const patch = R"(["c","d"])"_json; + json result = R"(["c","d"])"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 10") + { + json original = R"({"a":"b"})"_json; + json const patch = R"(["c"])"_json; + json result = R"(["c"])"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 11") + { + json original = R"({"a":"foo"})"_json; + json const patch = R"(null)"_json; + json result = R"(null)"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 12") + { + json original = R"({"a":"foo"})"_json; + json const patch = R"("bar")"_json; + json result = R"("bar")"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 13") + { + json original = R"({"e":null})"_json; + json const patch = R"({"a":1})"_json; + json result = R"({"e":null,"a":1})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 14") + { + json original = R"([1,2])"_json; + json const patch = R"({"a":"b","c":null})"_json; + json result = R"({"a":"b"})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + + SECTION("Example 15") + { + json original = R"({})"_json; + json const patch = R"({"a":{"bb":{"ccc":null}}})"_json; + json result = R"({"a":{"bb":{}}})"_json; + + original.merge_patch(patch); + CHECK(original == result); + } + } + } +} |