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110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
#include <boost/fit/infix.hpp>
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#include <boost/fit/function.hpp>
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#include <boost/fit/lambda.hpp>
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#include <boost/fit/pipable.hpp>
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#include <boost/fit/placeholders.hpp>
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#include "test.hpp"
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struct sum_f
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{
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template<class T, class U>
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constexpr T operator()(T x, U y) const BOOST_FIT_RETURNS_DEDUCE_NOEXCEPT(x+y)
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{
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return x+y;
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}
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};
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static constexpr boost::fit::infix_adaptor<sum_f> sum = {};
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#if BOOST_FIT_HAS_NOEXCEPT_DEDUCTION
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BOOST_FIT_TEST_CASE()
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{
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static_assert(noexcept(1 <sum> 2), "noexcept infix");
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static_assert(!noexcept(std::string() <sum> std::string()), "noexcept infix");
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}
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#endif
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BOOST_FIT_TEST_CASE()
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{
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BOOST_FIT_TEST_CHECK(3 == (1 <sum> 2));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (1 <sum> 2));
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BOOST_FIT_TEST_CHECK(3 == (sum(1, 2)));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (sum(1, 2)));
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}
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BOOST_FIT_STATIC_FUNCTION(sum1) = boost::fit::infix(sum_f());
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BOOST_FIT_TEST_CASE()
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{
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BOOST_FIT_TEST_CHECK(3 == (1 <sum1> 2));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (1 <sum1> 2));
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BOOST_FIT_TEST_CHECK(3 == (sum1(1, 2)));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (sum1(1, 2)));
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}
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BOOST_FIT_STATIC_LAMBDA_FUNCTION(sum2) = boost::fit::infix([](int x, int y) { return x + y; });
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BOOST_FIT_TEST_CASE()
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{
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BOOST_FIT_TEST_CHECK(3 == (1 <sum2> 2));
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BOOST_FIT_TEST_CHECK(3 == (sum2(1, 2)));
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}
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BOOST_FIT_STATIC_FUNCTION(sum3) = boost::fit::infix(boost::fit::_ + boost::fit::_);
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BOOST_FIT_TEST_CASE()
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{
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BOOST_FIT_TEST_CHECK(3 == (1 <sum3> 2));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (1 <sum3> 2));
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BOOST_FIT_TEST_CHECK(3 == (sum3(1, 2)));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (sum3(1, 2)));
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}
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BOOST_FIT_STATIC_LAMBDA_FUNCTION(sum4) = boost::fit::infix(boost::fit::infix([](int x, int y) { return x + y; }));
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BOOST_FIT_TEST_CASE()
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{
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BOOST_FIT_TEST_CHECK(3 == (1 <sum4> 2));
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BOOST_FIT_TEST_CHECK(3 == (sum4(1, 2)));
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}
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BOOST_FIT_STATIC_FUNCTION(sum5) = boost::fit::infix(boost::fit::infix(boost::fit::_ + boost::fit::_));
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BOOST_FIT_TEST_CASE()
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{
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BOOST_FIT_TEST_CHECK(3 == (1 <sum5> 2));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (1 <sum5> 2));
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BOOST_FIT_TEST_CHECK(3 == (sum5(1, 2)));
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BOOST_FIT_STATIC_TEST_CHECK(3 == (sum5(1, 2)));
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}
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BOOST_FIT_TEST_CASE()
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{
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#if (defined(__GNUC__) && !defined (__clang__))
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wparentheses"
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#endif
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BOOST_FIT_TEST_CHECK(6 == (1 + 2 <sum> 3));
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BOOST_FIT_TEST_CHECK(3 == 1 <sum> 2);
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#if (defined(__GNUC__) && !defined (__clang__))
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#pragma GCC diagnostic pop
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#endif
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}
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struct foo {};
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BOOST_FIT_TEST_CASE()
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{
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auto f = boost::fit::infix([](int, int) { return foo{}; });
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auto g = boost::fit::infix([](foo, foo) { return std::string("hello"); });
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BOOST_FIT_TEST_CHECK((1 <f> 2 <g> foo{}) == "hello");
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}
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