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

35 lines
986 B
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;
template <bool value>
bool runtime_bool() { return value; }
template <bool value>
auto constant_bool() { return make_cnumeric<bool, value>(); }
int main() {
// Make sure it works at function scope
BOOST_HANA_ASSERT(runtime_bool<true>());
BOOST_HANA_ASSERT(constant_bool<true>());
BOOST_HANA_ASSERT_MSG(runtime_bool<true>(), "message");
BOOST_HANA_ASSERT_MSG(constant_bool<true>(), "message");
// Make sure we can reference a local variable
auto ct_yes = constant_bool<true>();
BOOST_HANA_ASSERT(ct_yes);
BOOST_HANA_ASSERT_MSG(ct_yes, "message");
auto rt_yes = runtime_bool<true>();
BOOST_HANA_ASSERT(rt_yes);
BOOST_HANA_ASSERT_MSG(rt_yes, "message");
}