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Initial import of libdpf.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Ryan Henry 2026-09-24 14:08:32 -06:00
commit e4e666f459
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23
thirdparty/uint256_t/tests/testcases/invert.cpp vendored Normal file
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#include <gtest/gtest.h>
#include "uint256_t.h"
TEST(BitWise, invert){
for(uint8_t hi_hi = 0; hi_hi < 2; hi_hi++){
for(uint8_t hi_lo = 0; hi_lo < 2; hi_lo++){
for(uint8_t lo_hi = 0; lo_hi < 2; lo_hi++){
for(uint8_t lo_lo = 0; lo_lo < 2; lo_lo++){
const uint256_t val = ~uint256_t(hi_hi?0xffffffffffffffffULL:0x0000000000000000ULL,
hi_lo?0xffffffffffffffffULL:0x0000000000000000ULL,
lo_hi?0xffffffffffffffffULL:0x0000000000000000ULL,
lo_lo?0xffffffffffffffffULL:0x0000000000000000ULL);
EXPECT_EQ(val.upper().upper(), hi_hi?0x0000000000000000ULL:0xffffffffffffffffULL);
EXPECT_EQ(val.upper().lower(), hi_lo?0x0000000000000000ULL:0xffffffffffffffffULL);
EXPECT_EQ(val.lower().upper(), lo_hi?0x0000000000000000ULL:0xffffffffffffffffULL);
EXPECT_EQ(val.lower().lower(), lo_lo?0x0000000000000000ULL:0xffffffffffffffffULL);
}
}
}
}
}