23 lines
1.1 KiB
C++
23 lines
1.1 KiB
C++
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#include <gtest/gtest.h>
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#include "uint256_t.h"
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TEST(BitWise, invert){
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for(uint8_t hi_hi = 0; hi_hi < 2; hi_hi++){
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for(uint8_t hi_lo = 0; hi_lo < 2; hi_lo++){
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for(uint8_t lo_hi = 0; lo_hi < 2; lo_hi++){
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for(uint8_t lo_lo = 0; lo_lo < 2; lo_lo++){
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const uint256_t val = ~uint256_t(hi_hi?0xffffffffffffffffULL:0x0000000000000000ULL,
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hi_lo?0xffffffffffffffffULL:0x0000000000000000ULL,
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lo_hi?0xffffffffffffffffULL:0x0000000000000000ULL,
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lo_lo?0xffffffffffffffffULL:0x0000000000000000ULL);
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EXPECT_EQ(val.upper().upper(), hi_hi?0x0000000000000000ULL:0xffffffffffffffffULL);
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EXPECT_EQ(val.upper().lower(), hi_lo?0x0000000000000000ULL:0xffffffffffffffffULL);
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EXPECT_EQ(val.lower().upper(), lo_hi?0x0000000000000000ULL:0xffffffffffffffffULL);
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EXPECT_EQ(val.lower().lower(), lo_lo?0x0000000000000000ULL:0xffffffffffffffffULL);
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}
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}
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}
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}
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}
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