44 lines
2 KiB
C++
44 lines
2 KiB
C++
#include <gtest/gtest.h>
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#include "uint256_t.h"
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TEST(Arithmetic, add){
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uint256_t low (0, 1);
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uint256_t high(1, 0);
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EXPECT_EQ(low + low, 2);
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EXPECT_EQ(low + high, uint256_t(1, 1));
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EXPECT_EQ(high + high, uint256_t(2, 0));
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EXPECT_EQ(low += low, 2);
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EXPECT_EQ(low += high, uint256_t(1, 2));
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EXPECT_EQ(high += low, uint256_t(2, 2));
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}
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TEST(External, add){
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bool t = true;
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bool f = false;
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uint8_t u8 = 0xaaULL;
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uint16_t u16 = 0xaaaaULL;
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uint32_t u32 = 0xaaaaaaaaULL;
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uint64_t u64 = 0xaaaaaaaaaaaaaaaaULL;
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uint128_t u128 (0xaaaaaaaaaaaaaaaaULL, 0xaaaaaaaaaaaaaaaaULL);
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const uint256_t val(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL);
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EXPECT_EQ(t + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f1ULL));
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EXPECT_EQ(f + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL));
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EXPECT_EQ(u8 + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f19aULL));
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EXPECT_EQ(u16 + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f19b9aULL));
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EXPECT_EQ(u32 + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f19b9b9b9aULL));
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EXPECT_EQ(u64 + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f1ULL, 0x9b9b9b9b9b9b9b9aULL));
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EXPECT_EQ(u128 + val, uint256_t(0xf0f0f0f0f0f0f0f0ULL, 0xf0f0f0f0f0f0f0f1ULL, 0x9b9b9b9b9b9b9b9bULL, 0x9b9b9b9b9b9b9b9aULL));
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EXPECT_EQ(t += val, true);
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EXPECT_EQ(f += val, true);
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EXPECT_EQ(u8 += val, (uint8_t) 0x9aULL);
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EXPECT_EQ(u16 += val, (uint16_t) 0x9b9aULL);
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EXPECT_EQ(u32 += val, (uint32_t) 0x9b9b9b9aULL);
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EXPECT_EQ(u64 += val, (uint64_t) 0x9b9b9b9b9b9b9b9aULL);
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EXPECT_EQ(u128 += val, uint128_t (0x9b9b9b9b9b9b9b9bULL, 0x9b9b9b9b9b9b9b9aULL));
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}
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