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Fix two develop CI regressions: dump() nodiscard warning and binary-reader const-correctness (#5520)

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* Discard dump()'s [[nodiscard]] return value in an exception-only check

CHECK_THROWS_WITH_AS(j.dump(), ...) called dump() only to trigger and
catch the exception, but never used the return value. dump() is
warn_unused_result, so GCC's pedantic build (-Werror --all-warnings)
rejected it as -Werror=unused-result, breaking ci_test_gcc. Wrapped in
utils::ignore_return_value(), matching every other such call in this
file.

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

* Mark container_frame top as const in CBOR/UBJSON readers

clang-tidy's misc-const-correctness flagged these on PR #5520's CI: the
BSON sibling copy was already const, but these two were left mutable
even though only container_stack.back().remaining is ever written.

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

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-11 17:55:46 +02:00
committed by GitHub
parent d2514a46f7
commit aa391dc0a5
3 changed files with 5 additions and 5 deletions
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tests/src/unit-serialization.cpp
+1 -1
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@@ -469,7 +469,7 @@ TEST_CASE("serialization of strings (bulk fast path)")
SECTION("invalid UTF-8 handling is unaffected by the fast path")
{
const json j = std::string("valid\xff" "more");
CHECK_THROWS_WITH_AS(j.dump(), "[json.exception.type_error.316] invalid UTF-8 byte at index 5: 0xFF", json::type_error&);
CHECK_THROWS_WITH_AS(utils::ignore_return_value(j.dump()), "[json.exception.type_error.316] invalid UTF-8 byte at index 5: 0xFF", json::type_error&);
CHECK(j.dump(-1, ' ', false, json::error_handler_t::replace) == "\"valid\xef\xbf\xbd" "more\"");
CHECK(j.dump(-1, ' ', true, json::error_handler_t::replace) == "\"valid\\ufffdmore\"");
CHECK(j.dump(-1, ' ', false, json::error_handler_t::ignore) == "\"validmore\"");