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Merge pull request #1585 from Macr0Nerd/iss916

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Added to_string and added basic tests
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Niels Lohmann 2019-05-24 09:20:15 +02:00 committed by GitHub
commit 17c0849a63
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3 changed files with 45 additions and 0 deletions
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15
include/nlohmann/json.hpp
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@ -7965,6 +7965,21 @@ class basic_json
/// @}
};
/*!
@brief user-defined to_string function for JSON values
This function implements a user-defined to_string for JSON objects.
@param[in] j a JSON object
@return a std::string object
*/
NLOHMANN_BASIC_JSON_TPL_DECLARATION
std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j)
{
return j.dump();
}
} // namespace nlohmann
///////////////////////

15
single_include/nlohmann/json.hpp
View file

@ -20766,6 +20766,21 @@ class basic_json
/// @}
};
/*!
@brief user-defined to_string function for JSON values
This function implements a user-defined to_string for JSON objects.
@param[in] j a JSON object
@return a std::string object
*/
NLOHMANN_BASIC_JSON_TPL_DECLARATION
std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j)
{
return j.dump();
}
} // namespace nlohmann
///////////////////////

15
test/src/unit-serialization.cpp
View file

@ -173,4 +173,19 @@ TEST_CASE("serialization")
test("\xE1\x80\xE2\xF0\x91\x92\xF1\xBF\x41", "\\ufffd" "\\ufffd" "\\ufffd" "\\ufffd" "\x41");
}
}
SECTION("to_string")
{
auto test = [&](std::string const & input, std::string const & expected)
{
using std::to_string;
json j = input;
CHECK(to_string(j) == "\"" + expected + "\"");
};
test("{\"x\":5,\"y\":6}", "{\\\"x\\\":5,\\\"y\\\":6}");
test("{\"x\":[10,null,null,null]}", "{\\\"x\\\":[10,null,null,null]}");
test("test", "test");
test("[3,\"false\",false]", "[3,\\\"false\\\",false]");
}
}