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Fix unit-large_json for clang and JSON_DIAGNOSTICS

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Two test problems from #5781 broke CI on develop: CAPTURE(depth); trips
clang's -Wextra-semi-stmt, and the type_error.321 messages did not
account for the diagnostics path prefix.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann committed 2026-10-08 09:24:24 +02:00
1 parent f57118889f
commit 7ffa4099fa
1 file changed
+17 -6
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tests/src/unit-large_json.cpp
+17 -6
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@@ -426,7 +426,7 @@ TEST_CASE("issue #5392 - binary writers on deeply nested values")
{
for (std::size_t depth = 120; depth <= 140; ++depth)
{
CAPTURE(depth);
CAPTURE(depth)
const json array = nested_array(depth, json(7));
CHECK(json::from_cbor(json::to_cbor(array)) == array);
@@ -464,7 +464,7 @@ TEST_CASE("issue #5392 - binary writers on deeply nested values")
nlohmann::detail::recursion_depth_limit() + 1, nlohmann::detail::recursion_depth_limit() + 2
})
{
CAPTURE(depth);
CAPTURE(depth)
const json array = nested_array(depth, json(0));
std::vector<std::uint8_t> expected_cbor(depth, 0x81);
@@ -505,10 +505,21 @@ TEST_CASE("issue #5392 - binary writers on deeply nested values")
const json discarded_leaf(json::value_t::discarded);
const json deep_discarded = nested_array(depth, discarded_leaf);
CHECK_THROWS_WITH_AS(json::to_cbor(deep_discarded), "[json.exception.type_error.321] cannot serialize discarded value to CBOR", json::type_error);
CHECK_THROWS_WITH_AS(json::to_msgpack(deep_discarded), "[json.exception.type_error.321] cannot serialize discarded value to MessagePack", json::type_error);
CHECK_THROWS_WITH_AS(json::to_ubjson(deep_discarded), "[json.exception.type_error.321] cannot serialize discarded value to UBJSON", json::type_error);
CHECK_THROWS_WITH_AS(json::to_bjdata(deep_discarded), "[json.exception.type_error.321] cannot serialize discarded value to BJData", json::type_error);
// with diagnostics, the message names the path to the discarded leaf
std::string prefix = "[json.exception.type_error.321] ";
#if JSON_DIAGNOSTICS
prefix += "(";
for (std::size_t i = 0; i < depth; ++i)
{
prefix += "/0";
}
prefix += ") ";
#endif
CHECK_THROWS_WITH_AS(json::to_cbor(deep_discarded), (prefix + "cannot serialize discarded value to CBOR").c_str(), json::type_error);
CHECK_THROWS_WITH_AS(json::to_msgpack(deep_discarded), (prefix + "cannot serialize discarded value to MessagePack").c_str(), json::type_error);
CHECK_THROWS_WITH_AS(json::to_ubjson(deep_discarded), (prefix + "cannot serialize discarded value to UBJSON").c_str(), json::type_error);
CHECK_THROWS_WITH_AS(json::to_bjdata(deep_discarded), (prefix + "cannot serialize discarded value to BJData").c_str(), json::type_error);
}
SECTION("does not overflow the C++ stack")