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Make std::filesystem::path conversion to/from UTF-8 encoded string explicit (#4631)

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* Make std::filesystem::path conversion to/from UTF-8 encoded JSON string explicit.

Signed-off-by: Richard Musil <risa2000x@gmail.com>

* Experimental: Changing C++ standard detection logic to accommodate potential corner cases.

Signed-off-by: Richard Musil <risa2000x@gmail.com>

* Drop C++ standard tests for compilers which do not implement required features.

Signed-off-by: Richard Musil <risa2000x@gmail.com>

* Drop C++ standard tests for MSVC versions which do not implement required features.

Signed-off-by: Richard Musil <risa2000x@gmail.com>

---------

Signed-off-by: Richard Musil <risa2000x@gmail.com>
Co-authored-by: Richard Musil <risa2000x@gmail.com>
This commit is contained in:
risa2000
2025-04-04 10:59:23 +02:00
committed by GitHub
parent 79587f896e
commit 11aa5f944d
8 changed files with 85 additions and 15 deletions
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tests/src/unit-conversions.cpp
+25
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@@ -1658,6 +1658,31 @@ TEST_CASE("JSON to enum mapping")
}
#ifdef JSON_HAS_CPP_17
#if JSON_HAS_FILESYSTEM || JSON_HAS_EXPERIMENTAL_FILESYSTEM
TEST_CASE("std::filesystem::path")
{
SECTION("ascii")
{
json const j_string = "Path";
auto p = j_string.template get<nlohmann::detail::std_fs::path>();
json const j_path = p;
CHECK(j_path.template get<std::string>() ==
j_string.template get<std::string>());
}
SECTION("utf-8")
{
json const j_string = "P\xc4\x9b\xc5\xa1ina";
auto p = j_string.template get<nlohmann::detail::std_fs::path>();
json const j_path = p;
CHECK(j_path.template get<std::string>() ==
j_string.template get<std::string>());
}
}
#endif
#ifndef JSON_USE_IMPLICIT_CONVERSIONS
TEST_CASE("std::optional")
{