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✅ add regression test for #4440

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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-05-09 11:13:05 +02:00
parent e0f8cdfb7f
commit c51c9cefea
1 changed files with 19 additions and 0 deletions
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tests/src/unit-regression2.cpp
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@@ -66,6 +66,11 @@ using ordered_json = nlohmann::ordered_json;
#endif
#endif
// for #4440
#if JSON_HAS_RANGES == 1
#include <ranges>
#endif
// NLOHMANN_JSON_SERIALIZE_ENUM uses a static std::pair
DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
@@ -1134,6 +1139,20 @@ TEST_CASE("regression tests 2")
CHECK(!result.has_value());
}
#endif
#if JSON_HAS_RANGES == 1
SECTION("issue #4440 - assert when using std::views::filter and GCC 10")
{
auto noOpFilter = std::views::filter([](auto&&) noexcept
{
return true;
});
json j = {1, 2, 3};
auto filtered = j | noOpFilter;
CHECK(*filtered.begin() == 1);
}
#endif
}
TEST_CASE_TEMPLATE("issue #4798 - nlohmann::json::to_msgpack() encode float NaN as double", T, double, float) // NOLINT(readability-math-missing-parentheses, bugprone-throwing-static-initialization)