45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
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#include <gtest/gtest.h>
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#include "uint256_t.h"
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TEST(Arithmetic, divide){
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const uint256_t big (0xfedbca9876543210ULL);
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const uint256_t small (0xffffULL);
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const uint256_t res_val(0xfedcc9753fc9ULL);
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EXPECT_EQ(small / small, 1);
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EXPECT_EQ(small / big, 0);
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EXPECT_EQ(big / big, 1);
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EXPECT_THROW(uint256_t(1) / uint256_t(0), std::domain_error);
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}
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TEST(External, divide){
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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(0x7bULL);
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EXPECT_EQ(t / val, false);
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EXPECT_EQ(f / val, false);
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EXPECT_EQ(u8 / val, uint256_t(0x1ULL));
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EXPECT_EQ(u16 / val, uint256_t(0x163ULL));
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EXPECT_EQ(u32 / val, uint256_t(0x163356bULL));
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EXPECT_EQ(u64 / val, uint256_t(0x163356b88ac0de0ULL));
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EXPECT_EQ(u128 / val, uint256_t(0x0000000000000000ULL, 0x0000000000000000ULL, 0x163356b88ac0de0ULL, 0x163356b88ac0de01ULL));
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EXPECT_EQ(t /= val, false);
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EXPECT_EQ(f /= val, false);
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EXPECT_EQ(u8 /= val, (uint8_t) 0x1ULL);
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EXPECT_EQ(u16 /= val, (uint16_t) 0x163ULL);
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EXPECT_EQ(u32 /= val, (uint32_t) 0x163356bULL);
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EXPECT_EQ(u64 /= val, (uint64_t) 0x163356b88ac0de0ULL);
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EXPECT_EQ(u128 /= val, uint128_t(0x163356b88ac0de0ULL, 0x163356b88ac0de01ULL));
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}
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