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-rw-r--r-- | src/boost/libs/hana/test/_include/auto/all_of.hpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/all_of.hpp b/src/boost/libs/hana/test/_include/auto/all_of.hpp new file mode 100644 index 000000000..b1bdc1125 --- /dev/null +++ b/src/boost/libs/hana/test/_include/auto/all_of.hpp @@ -0,0 +1,120 @@ +// 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) + +#ifndef BOOST_HANA_TEST_AUTO_ALL_OF_HPP +#define BOOST_HANA_TEST_AUTO_ALL_OF_HPP + +#include <boost/hana/all_of.hpp> +#include <boost/hana/assert.hpp> +#include <boost/hana/bool.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/not.hpp> + +#include "test_case.hpp" +#include <laws/base.hpp> + + +TestCase test_all_of{[]{ + namespace hana = boost::hana; + using hana::test::ct_eq; + + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(), + [](auto) { return hana::false_c; } + )); + + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}), + [](auto) { return hana::true_c; } + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}), + [](auto) { return hana::false_c; } + ))); + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}), + hana::equal.to(ct_eq<999>{}) + ))); + + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + [](auto) { return hana::true_c; } + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + [](auto) { return hana::false_c; } + ))); + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + hana::equal.to(ct_eq<0>{}) + ))); + + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), + [](auto) { return hana::true_c; } + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), + [](auto) { return hana::false_c; } + ))); + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + ))); + + BOOST_HANA_CONSTANT_CHECK(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<999>{}, ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + ))); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<999>{}, ct_eq<0>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + ))); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<999>{}, ct_eq<0>{}), + hana::equal.to(ct_eq<0>{}) + ))); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::all_of( + MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{}, ct_eq<999>{}), + hana::equal.to(ct_eq<0>{}) + ))); + + // Make sure `all_of` short-circuits with runtime predicates + // See http://stackoverflow.com/q/42012512/627587 + { + { + int counter = 0; + auto tuple = MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}); + hana::all_of(tuple, [&](auto) { ++counter; return false; }); + BOOST_HANA_RUNTIME_CHECK(counter == 1); + } + { + int counter = 0; + auto tuple = MAKE_TUPLE(ct_eq<0>{}, ct_eq<999>{}, ct_eq<0>{}); + hana::all_of(tuple, [&](auto x) -> bool { + ++counter; + return hana::equal(x, ct_eq<0>{}); + }); + BOOST_HANA_RUNTIME_CHECK(counter == 2); + } + } +}}; + +#endif // !BOOST_HANA_TEST_AUTO_ALL_OF_HPP |