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Add regression test for #3810 (#4608)

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* ✅ add regression test for #3810

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* ✅ add regression test for #3810

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* ✅ add regression test for #3810

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* ✅ add regression test for #3810

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* ✅ add regression test for #3810

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Niels Lohmann 2025-02-15 12:24:06 +01:00 committed by GitHub
parent a43350c4e5
commit 0b6881a95f
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1 changed files with 33 additions and 0 deletions
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33
tests/src/unit-regression2.cpp
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@ -377,6 +377,19 @@ inline for_3333::for_3333(const json& j)
: for_3333(j.value("x", 0), j.value("y", 0))
{}
/////////////////////////////////////////////////////////////////////
// for #3810
/////////////////////////////////////////////////////////////////////
struct Example_3810
{
int bla{};
Example_3810() = default;
};
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Example_3810, bla);
TEST_CASE("regression tests 2")
{
SECTION("issue #1001 - Fix memory leak during parser callback")
@ -1004,6 +1017,26 @@ TEST_CASE("regression tests 2")
CHECK(p.x == 1);
CHECK(p.y == 2);
}
SECTION("issue #3810 - ordered_json doesn't support construction from C array of custom type")
{
Example_3810 states[45]; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
// fix "not used" warning
states[0].bla = 1;
const auto* const expected = R"([{"bla":1},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0},{"bla":0}])";
// This works:
nlohmann::json j;
j["test"] = states;
CHECK(j["test"].dump() == expected);
// This doesn't compile:
nlohmann::ordered_json oj;
oj["test"] = states;
CHECK(oj["test"].dump() == expected);
}
}
DOCTEST_CLANG_SUPPRESS_WARNING_POP