85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
// Copyright Louis Dionne 2013-2017
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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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#ifndef BOOST_HANA_TEST_AUTO_SPAN_HPP
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#define BOOST_HANA_TEST_AUTO_SPAN_HPP
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#include <boost/hana/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/span.hpp>
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#include "test_case.hpp"
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#include <laws/base.hpp>
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#include <support/minimal_product.hpp>
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TestCase test_span{[]{
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namespace hana = boost::hana;
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using hana::test::ct_eq;
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auto z = ct_eq<999>{};
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auto pair = ::minimal_product;
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(), hana::equal.to(z)),
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pair(MAKE_TUPLE(), MAKE_TUPLE())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(ct_eq<0>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(z), hana::equal.to(z)),
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pair(MAKE_TUPLE(z), MAKE_TUPLE())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(ct_eq<0>{}, z), hana::equal.to(z)),
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pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(z, ct_eq<0>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<0>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(z, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(z, z, ct_eq<2>{}), hana::equal.to(z)),
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pair(MAKE_TUPLE(z, z), MAKE_TUPLE(ct_eq<2>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span(MAKE_TUPLE(z, z, z), hana::equal.to(z)),
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pair(MAKE_TUPLE(z, z, z), MAKE_TUPLE())
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));
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// span.by
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span.by(hana::equal.to(z), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
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hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z))
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::span.by(hana::equal.to(z))(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
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hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z))
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));
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}};
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#endif // !BOOST_HANA_TEST_AUTO_SPAN_HPP
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