multiprecision/test/test_cpp_int_lit.cpp

55 lines
2.1 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Copyright 2013 John Maddock. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/multiprecision/cpp_int.hpp>
#include "test.hpp"
#if !(BOOST_WORKAROUND(BOOST_MSVC, <= 1900) && defined(CI_SUPPRESS_KNOWN_ISSUES)) && defined(BOOST_MP_USER_DEFINED_LITERALS)
using namespace boost::multiprecision;
template <class T>
void test_literal(T val, const char* p)
{
BOOST_CHECK_EQUAL(val, cpp_int(p));
}
#define TEST_LITERAL(x) \
{ \
constexpr auto val1 = BOOST_JOIN(x, _cppi); \
constexpr int1024_t val2 = BOOST_JOIN(x, _cppi1024); \
constexpr auto val3 = BOOST_JOIN(x, _cppui); \
constexpr uint1024_t val4 = BOOST_JOIN(x, _cppui1024); \
test_literal(val1, BOOST_STRINGIZE(x)); \
test_literal(val2, BOOST_STRINGIZE(x)); \
test_literal(val3, BOOST_STRINGIZE(x)); \
test_literal(val4, BOOST_STRINGIZE(x)); \
/* Negative values: */ \
constexpr auto val5 = -BOOST_JOIN(x, _cppi); \
constexpr int1024_t val6 = -BOOST_JOIN(x, _cppi1024); \
constexpr auto val7 = -val1; \
constexpr int1024_t val8 = -val2; \
BOOST_CHECK_EQUAL(val5, -cpp_int(val1)); \
BOOST_CHECK_EQUAL(val6, -cpp_int(val1)); \
BOOST_CHECK_EQUAL(val7, -cpp_int(val1)); \
BOOST_CHECK_EQUAL(val8, -cpp_int(val1)); \
}
int main()
{
using namespace boost::multiprecision::literals;
TEST_LITERAL(0x0);
TEST_LITERAL(0x00000);
TEST_LITERAL(0x10000000);
TEST_LITERAL(0x1234500000000123450000000123345000678000000456000000567000000fefabc00000000000000);
return boost::report_errors();
}
#else
int main() { return 0; }
#endif