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Add regression test for #3810 #4607

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Add regression test for #3810 #4607

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28 changes: 28 additions & 0 deletions tests/src/unit-regression2.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -377,6 +377,17 @@
: for_3333(j.value("x", 0), j.value("y", 0))
{}

/////////////////////////////////////////////////////////////////////
// for #3830
/////////////////////////////////////////////////////////////////////

struct Example_3830
{
int bla;

Check notice on line 386 in tests/src/unit-regression2.cpp

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Codacy Production / Codacy Static Code Analysis

tests/src/unit-regression2.cpp#L386 

struct member 'Example_3830::bla' is never used.
};

NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Example_3830, bla);

TEST_CASE("regression tests 2")
{
SECTION("issue #1001 - Fix memory leak during parser callback")
Expand Down Expand Up @@ -1004,6 +1015,23 @@
CHECK(p.x == 1);
CHECK(p.y == 2);
}

SECTION("issue #3810 - ordered_json doesn't support construction from C array of custom type")
{
Example_3830 states[45];

// This works:
nlohmann::json j;
j["test"] = states;
CHECK(j["test"].dump() == "[{\"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},{\"bla\":0}]");

// This doesn't compile:
nlohmann::ordered_json oj;
oj["test"] = states;
CHECK(oj["test"].dump() == "[{\"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},{\"bla\":0}]");

CHECK(j == oj);
}
}

DOCTEST_CLANG_SUPPRESS_WARNING_POP
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