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37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
/*
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@copyright Louis Dionne 2014
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/foldable.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/integral.hpp>
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#include "minimal_foldable.hpp"
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using namespace boost::hana;
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constexpr struct { } invalid_type{};
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constexpr struct {
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constexpr operator bool() const { return *this; }
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} invalid_value{};
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int main() {
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BOOST_HANA_STATIC_ASSERT(all_of(foldable()));
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BOOST_HANA_STATIC_ASSERT(all_of(foldable(true_)));
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BOOST_HANA_STATIC_ASSERT(all_of(foldable(true_, true_)));
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BOOST_HANA_STATIC_ASSERT(!all_of(foldable(true_, true_, false_)));
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BOOST_HANA_STATIC_ASSERT(!all_of(foldable(false_, true_, true_)));
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BOOST_HANA_STATIC_ASSERT(all_of(foldable(true, true)));
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BOOST_HANA_STATIC_ASSERT(!all_of(foldable(true, true, false)));
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// test short-circuiting
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BOOST_HANA_STATIC_ASSERT(!all_of(foldable(false_, invalid_type)));
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BOOST_HANA_STATIC_ASSERT(!all_of(foldable(false_, invalid_value)));
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BOOST_HANA_STATIC_ASSERT(!all_of(foldable(false, invalid_value)));
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}
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