mirror of
https://github.com/boostorg/hana.git
synced 2026-02-20 14:52:11 +00:00
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/*
|
|
* Copyright Louis Dionne 2014
|
|
* Distributed under the Boost Software License, Version 1.0.
|
|
* (See accompanying file LICENSE.md or copy at
|
|
* http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
|
|
#include <boost/hana/list.hpp>
|
|
|
|
#include <boost/hana/detail/static_assert.hpp>
|
|
#include <boost/hana/integral.hpp>
|
|
using namespace boost::hana;
|
|
|
|
|
|
void test_Iterable() {
|
|
BOOST_HANA_STATIC_ASSERT(is_empty(list()));
|
|
BOOST_HANA_STATIC_ASSERT(!is_empty(list(int_<0>)));
|
|
BOOST_HANA_STATIC_ASSERT(!is_empty(list(int_<0>, int_<1>)));
|
|
|
|
BOOST_HANA_STATIC_ASSERT(head(list(int_<0>)) == int_<0>);
|
|
BOOST_HANA_STATIC_ASSERT(head(list(int_<0>, int_<1>)) == int_<0>);
|
|
|
|
BOOST_HANA_STATIC_ASSERT(tail(list(int_<0>)) == list());
|
|
BOOST_HANA_STATIC_ASSERT(tail(list(int_<0>, int_<1>)) == list(int_<1>));
|
|
BOOST_HANA_STATIC_ASSERT(tail(list(int_<0>, int_<1>, int_<2>)) == list(int_<1>, int_<2>));
|
|
}
|
|
|
|
void test_comparison() {
|
|
BOOST_HANA_STATIC_ASSERT(list() == list());
|
|
BOOST_HANA_STATIC_ASSERT(list(int_<0>) != list());
|
|
BOOST_HANA_STATIC_ASSERT(list() != list(int_<0>));
|
|
BOOST_HANA_STATIC_ASSERT(list(int_<0>) == list(int_<0>));
|
|
BOOST_HANA_STATIC_ASSERT(list(int_<0>, int_<1>) != list(int_<0>));
|
|
BOOST_HANA_STATIC_ASSERT(list(int_<0>, int_<1>) == list(int_<0>, int_<1>));
|
|
|
|
BOOST_HANA_STATIC_ASSERT(list(0) == list(0));
|
|
BOOST_HANA_STATIC_ASSERT(list(0, 1) != list(0, 2));
|
|
BOOST_HANA_STATIC_ASSERT(list(0, 1, 2) == list(0, 1, 2));
|
|
}
|
|
|
|
constexpr struct {
|
|
template <typename I>
|
|
constexpr auto operator()(I i) const { return i + int_<1>; }
|
|
} f{};
|
|
void test_Functor() {
|
|
BOOST_HANA_STATIC_ASSERT(fmap(f, list()) == list());
|
|
BOOST_HANA_STATIC_ASSERT(fmap(f, list(int_<1>)) == list(f(int_<1>)));
|
|
BOOST_HANA_STATIC_ASSERT(fmap(f, list(int_<1>, int_<2>)) == list(f(int_<1>), f(int_<2>)));
|
|
BOOST_HANA_STATIC_ASSERT(fmap(f, list(int_<1>, int_<2>, int_<3>)) == list(f(int_<1>), f(int_<2>), f(int_<3>)));
|
|
}
|
|
|
|
int main() {
|
|
test_Iterable();
|
|
test_comparison();
|
|
test_Functor();
|
|
}
|