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🚨 suppress UBSAN warning

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Niels Lohmann 2022-07-21 14:50:48 +02:00
parent 5fb2b7ec55
commit 7d4f2f4ec0
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1 changed files with 16 additions and 4 deletions
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20
tests/src/unit-deserialization.cpp
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@ -166,6 +166,21 @@ struct SaxEventLoggerExitAfterStartArray : public SaxEventLogger
}; };
} // namespace } // namespace
// Passing a NULL pointer to the input adapter violates its NON_NULL attribute which is detected by UBSAN.
// To still test whether exceptions are thrown, we need to exclude these tests from UBSAN which can only
// be done with a function attribute. See
// https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html#disabling-instrumentation-with-attribute-no-sanitize-undefined
#if defined(__clang__)
__attribute__((no_sanitize("undefined")))
#endif
void test_file_exception()
{
std::FILE* f = std::fopen("nonexisting_file", "r"); // NOLINT(cppcoreguidelines-owning-memory)
json _;
CHECK_THROWS_WITH_AS(_ = json::parse(f), "[json.exception.parse_error.116] parse error: input file is invalid", json::parse_error&);
CHECK_THROWS_WITH_AS(_ = json::accept(f), "[json.exception.parse_error.116] parse error: input file is invalid", json::parse_error&);
}
TEST_CASE("deserialization") TEST_CASE("deserialization")
{ {
SECTION("successful deserialization") SECTION("successful deserialization")
@ -335,10 +350,7 @@ TEST_CASE("deserialization")
SECTION("FILE*") SECTION("FILE*")
{ {
std::FILE* f = std::fopen("nonexisting_file", "r"); // NOLINT(cppcoreguidelines-owning-memory) test_file_exception();
json _;
CHECK_THROWS_WITH_AS(_ = json::parse(f), "[json.exception.parse_error.116] parse error: input file is invalid", json::parse_error&);
CHECK_THROWS_WITH_AS(_ = json::accept(f), "[json.exception.parse_error.116] parse error: input file is invalid", json::parse_error&);
} }
} }