hana/test/assert/commas.cpp
2017-01-07 14:14:18 -08:00

36 lines
1.3 KiB
C++

// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <support/cnumeric.hpp>
namespace hana = boost::hana;
// This test makes sure that we can use conditions with multiple comma-separated
// arguments to the non-MSG versions of the BOOST_HANA_XXX_ASSERT macros.
template <bool value, typename ...>
bool runtime_bool() { return value; }
template <bool value, typename ...>
auto constant_bool() { return make_cnumeric<bool, value>(); }
int main() {
BOOST_HANA_CONSTANT_ASSERT(constant_bool<true, void>());
BOOST_HANA_CONSTANT_ASSERT(constant_bool<true, void, void>());
BOOST_HANA_CONSTANT_ASSERT(constant_bool<true, void, void, void>());
BOOST_HANA_RUNTIME_ASSERT(runtime_bool<true, void>());
BOOST_HANA_RUNTIME_ASSERT(runtime_bool<true, void, void>());
BOOST_HANA_RUNTIME_ASSERT(runtime_bool<true, void, void, void>());
BOOST_HANA_ASSERT(runtime_bool<true, void>());
BOOST_HANA_ASSERT(runtime_bool<true, void, void>());
BOOST_HANA_ASSERT(runtime_bool<true, void, void, void>());
BOOST_HANA_ASSERT(constant_bool<true, void>());
BOOST_HANA_ASSERT(constant_bool<true, void, void>());
BOOST_HANA_ASSERT(constant_bool<true, void, void, void>());
}