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Merge pull request #2054 from nlohmann/feature/issue1983

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Fix bug in diff function
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Niels Lohmann 2020-04-20 19:44:35 +02:00 committed by GitHub
commit a29e3b1318
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3 changed files with 10 additions and 2 deletions
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2
include/nlohmann/json.hpp
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@ -8347,7 +8347,7 @@ class basic_json
result.push_back(
{
{"op", "add"},
{"path", path + "/" + std::to_string(i)},
{"path", path + "/-"},
{"value", target[i]}
});
++i;

2
single_include/nlohmann/json.hpp
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@ -23833,7 +23833,7 @@ class basic_json
result.push_back(
{
{"op", "add"},
{"path", path + "/" + std::to_string(i)},
{"path", path + "/-"},
{"value", target[i]}
});
++i;

8
test/src/unit-regression.cpp
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@ -1896,6 +1896,14 @@ TEST_CASE("regression tests")
static_assert(!std::is_constructible<json, std::tuple<NotSerializableData, std::string>>::value, "");
static_assert(std::is_constructible<json, std::tuple<int, std::string>>::value, "");
}
SECTION("issue #1983 - JSON patch diff for op=add formation is not as per standard (RFC 6902)")
{
const auto source = R"({ "foo": [ "1", "2" ] })"_json;
const auto target = R"({"foo": [ "1", "2", "3" ]})"_json;
const auto result = json::diff(source, target);
CHECK(result.dump() == R"([{"op":"add","path":"/foo/-","value":"3"}])");
}
}
#if not defined(JSON_NOEXCEPTION)