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should be it

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Mars Ultor
2025-10-24 19:21:19 -05:00
parent a4b23fc57c
commit f09560c7b1
14047 changed files with 3161551 additions and 1 deletions
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60
external/duckdb/test/common/test_numeric_cast.cpp vendored Normal file
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#include "catch.hpp"
#include "duckdb/common/numeric_utils.hpp"
#include "test_helpers.hpp"
using namespace duckdb;
using namespace std;
TEST_CASE("Numeric cast checks", "[numeric_cast]") {
#ifdef DUCKDB_CRASH_ON_ASSERT
return;
#endif
// unsigned-unsiged
// can not fail upcasting unsigned type
REQUIRE_NOTHROW(NumericCast<uint16_t, uint8_t>(NumericLimits<uint8_t>::Maximum()));
REQUIRE_NOTHROW(NumericCast<uint16_t, uint8_t>(NumericLimits<uint8_t>::Minimum()));
// we can down cast if value fits
REQUIRE_NOTHROW(NumericCast<uint8_t, uint16_t>(NumericLimits<uint8_t>::Maximum()));
// but not if it doesn't
REQUIRE_THROWS(NumericCast<uint8_t, uint16_t>(NumericLimits<uint8_t>::Maximum() + 1));
// signed-signed, same as above
REQUIRE_NOTHROW(NumericCast<int16_t, int8_t>(NumericLimits<int8_t>::Maximum()));
REQUIRE_NOTHROW(NumericCast<int16_t, int8_t>(NumericLimits<int8_t>::Minimum()));
REQUIRE_NOTHROW(NumericCast<int8_t, int16_t>(NumericLimits<int8_t>::Maximum()));
REQUIRE_THROWS(NumericCast<int8_t, int16_t>(NumericLimits<int8_t>::Maximum() + 1));
REQUIRE_THROWS(NumericCast<int8_t, int16_t>(NumericLimits<int8_t>::Minimum() - 1));
// unsigned to signed
REQUIRE_NOTHROW(NumericCast<int8_t, uint8_t>(NumericLimits<int8_t>::Maximum()));
REQUIRE_NOTHROW(NumericCast<int8_t, uint8_t>(NumericLimits<uint8_t>::Minimum()));
// uint8 max will not fit in int8
REQUIRE_THROWS(NumericCast<int8_t, uint8_t>(NumericLimits<uint8_t>::Maximum()));
// signed to unsigned
// can cast int8 max to uint8
REQUIRE_NOTHROW(NumericCast<uint8_t, int8_t>(NumericLimits<int8_t>::Maximum()));
// cat cast int8 min to unit8
REQUIRE_THROWS(NumericCast<uint8_t, int8_t>(NumericLimits<int8_t>::Minimum()));
// can't cast anything negative to anything unsigned
REQUIRE_THROWS(NumericCast<uint64_t, int8_t>(-1));
REQUIRE_THROWS(NumericCast<uint64_t, int16_t>(-1));
REQUIRE_THROWS(NumericCast<uint64_t, int32_t>(-1));
REQUIRE_THROWS(NumericCast<uint64_t, int64_t>(-1));
// can't downcast big number
REQUIRE_THROWS(NumericCast<int64_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
REQUIRE_THROWS(NumericCast<int32_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
REQUIRE_THROWS(NumericCast<uint32_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
REQUIRE_THROWS(NumericCast<int16_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
REQUIRE_THROWS(NumericCast<uint16_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
REQUIRE_THROWS(NumericCast<int8_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
REQUIRE_THROWS(NumericCast<uint8_t, uint64_t>(NumericLimits<uint64_t>::Maximum()));
// TODO this should throw but doesn't
// REQUIRE_THROWS(NumericCast<uint8_t, hugeint_t>(hugeint_t(-1)));
}