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cpp: Add support for _uin256be literals
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Only extending the literal tests, because the other tests are covered
via bytes32 tests given uint256be is an alias.
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axic committed May 4, 2021
1 parent 4a13c9a commit dcdfb9f
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Showing 2 changed files with 29 additions and 0 deletions.
7 changes: 7 additions & 0 deletions include/evmc/evmc.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -332,6 +332,13 @@ constexpr bytes32 operator""_bytes32() noexcept
{
return internal::from_literal<bytes32, c...>();
}

/// Literal for evmc::uint256be.
template <char... c>
constexpr uint256be operator""_uint256be() noexcept
{
return internal::from_literal<uint256be, c...>();
}
} // namespace literals

using namespace literals;
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22 changes: 22 additions & 0 deletions test/unittests/cpp_test.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -387,6 +387,28 @@ TEST(cpp, bytes32_from_uint)
0x000000000000000000000000000000000000000000000000c1c2c3c4c5c6c7c8_bytes32);
}

TEST(cpp, uint256be_from_uint)
{
using evmc::uint256be;
using evmc::operator""_uint256be;

static_assert(uint256be{0} == uint256be{}, "");
static_assert(uint256be{3}.bytes[31] == 3, "");
static_assert(uint256be{0xfe00000000000000}.bytes[24] == 0xfe, "");

EXPECT_EQ(uint256be{0}, uint256be{});
EXPECT_EQ(uint256be{0x01},
0x0000000000000000000000000000000000000000000000000000000000000001_uint256be);
EXPECT_EQ(uint256be{0xff},
0x00000000000000000000000000000000000000000000000000000000000000ff_uint256be);
EXPECT_EQ(uint256be{0x500},
0x0000000000000000000000000000000000000000000000000000000000000500_uint256be);
EXPECT_EQ(uint256be{0x8000000000000000},
0x0000000000000000000000000000000000000000000000008000000000000000_uint256be);
EXPECT_EQ(uint256be{0xc1c2c3c4c5c6c7c8},
0x000000000000000000000000000000000000000000000000c1c2c3c4c5c6c7c8_uint256be);
}

TEST(cpp, address_from_uint)
{
using evmc::address;
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