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Niels LohmannandMichael Sam
77fccaf0e7
Update the #4842 regression test: it used to check that destroying a nested array/object made at least one allocation through the provided allocator (the old flattening stack). Now that destroy() does not allocate at all, assert the opposite: zero allocations, deallocations only. Rework the #5135 regression test to use a dedicated failing/counting allocator instead of overriding the process-wide ::operator new and ::operator delete, which affected every allocation in the whole unit-regression2 binary rather than just the values under test. Keep the original small repro as one case, and add deep (100000 levels) and wide-and-deep nested array/object/ordered_json cases, all destroyed while every further allocation is made to fail: the destructor must complete without allocating, without throwing, and without leaking. Co-authored-by: Michael Sam <9461037+michaelsam94@users.noreply.github.com> Signed-off-by: Niels Lohmann <mail@nlohmann.me>