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Fix CI: clang-tidy and JSON_NOEXCEPTION in the #3989 changes

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ci_clang_tidy flagged nested conditional operators in the BON8 skip
code and in remove_incomplete_utf8_sequence()
(readability-avoid-nested-conditional-operator), and two branches with
the same body in recover_string() (bugprone-branch-clone). Use if
chains instead of the nested conditionals and merge the two branches
into one condition; the short-circuit order is unchanged.

ci_test_noexceptions aborted in the #3989 regression test: it compares
the first recovered error with the message of the exception that
from_cbor() and friends throw, and under JSON_NOEXCEPTION that call
aborts instead of throwing. Guard binary_error_message() and its uses
with #if !defined(JSON_NOEXCEPTION), as other tests in the suite do.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-29 16:42:57 +02:00
parent 4bdf1b7e74
commit 792853d725
4 changed files with 53 additions and 18 deletions
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tests/src/unit-regression2.cpp
+11 -2
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@@ -1026,6 +1026,7 @@ BinaryParseResult parse_binary_recovering(const std::vector<std::uint8_t>& input
return {j, sax.errors, sax.messages, ok, sax.balanced()};
}
#if !defined(JSON_NOEXCEPTION)
/// the message of the exception that reading @a input into a JSON value
/// throws, or an empty string if reading succeeds
std::string binary_error_message(const std::vector<std::uint8_t>& input, const json::input_format_t format)
@@ -1064,6 +1065,7 @@ std::string binary_error_message(const std::vector<std::uint8_t>& input, const j
}
return "";
}
#endif
/// a BSON element: its type, its name, and its value
std::vector<std::uint8_t> bson_element(const std::uint8_t type, const std::string& name, const std::vector<std::uint8_t>& value)
@@ -1315,9 +1317,13 @@ TEST_CASE("regression test - #3989 SAX parse_error() returning true")
CHECK(result.balanced);
CHECK(result.errors == repair.errors);
CHECK(result.value == repair.expected);
// the first error is the one reported without recovering
REQUIRE(!result.messages.empty());
#if !defined(JSON_NOEXCEPTION)
// the first error is the one reported without recovering; under
// JSON_NOEXCEPTION, reading without recovering aborts instead of
// throwing, so there is no message to compare with
CHECK(result.messages.front() == binary_error_message(repair.input, repair.format));
#endif
}
}
@@ -1410,14 +1416,17 @@ TEST_CASE("regression test - #3989 SAX parse_error() returning true")
const auto result = parse_binary_recovering(input, format);
CHECK(result.balanced);
CHECK(result.errors <= input.size() + 1);
#if !defined(JSON_NOEXCEPTION)
// an error is reported exactly if reading into a JSON value
// fails, and the first one is the same
// fails, and the first one is the same (under JSON_NOEXCEPTION,
// that reading aborts instead of throwing)
const auto message = binary_error_message(input, format);
CHECK(result.ok == message.empty());
if (!result.ok && result.errors < 100)
{
CHECK(result.messages.front() == message);
}
#endif
}
}
}