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90 lines
3.3 KiB
C++
90 lines
3.3 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/functional.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <cassert>
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using namespace boost::hana;
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struct _extra { virtual ~_extra() { } };
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_extra extra{};
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#define BOOST_HANA_TEST_BINARY_OP(op, x, y) \
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BOOST_HANA_STATIC_ASSERT((_ op _)(x, y) == (x op y)); \
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assert((_ op _)(x, y, extra) == (x op y)); \
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assert((_ op _)(x, y, extra, extra) == (x op y)); \
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\
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BOOST_HANA_STATIC_ASSERT((_ op y)(x) == (x op y)); \
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assert((_ op y)(x, extra) == (x op y)); \
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assert((_ op y)(x, extra, extra) == (x op y)); \
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\
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BOOST_HANA_STATIC_ASSERT((x op _)(y) == (x op y)); \
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assert((x op _)(y, extra) == (x op y)); \
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assert((x op _)(y, extra, extra) == (x op y)); \
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/**/
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#define BOOST_HANA_TEST_UNARY_OP(op, x) \
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BOOST_HANA_STATIC_ASSERT((op _)(x) == (op x)); \
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assert((op _)(x, extra) == (op x)); \
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assert((op _)(x, extra, extra) == (op x)); \
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/**/
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int main() {
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// Arithmetic
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BOOST_HANA_TEST_UNARY_OP(+, 1)
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BOOST_HANA_TEST_UNARY_OP(-, 1)
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BOOST_HANA_TEST_BINARY_OP(+, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(-, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(*, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(/, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(%, 6, 3)
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// Bitwise
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BOOST_HANA_TEST_UNARY_OP(~, 5)
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BOOST_HANA_TEST_BINARY_OP(&, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(|, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(^, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(<<, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(>>, 6, 3)
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// Comparison
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BOOST_HANA_TEST_BINARY_OP(==, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(!=, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(<, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(<=, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(>, 6, 3)
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BOOST_HANA_TEST_BINARY_OP(>=, 6, 3)
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// Logical
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BOOST_HANA_TEST_BINARY_OP(||, true, false)
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BOOST_HANA_TEST_BINARY_OP(&&, true, true)
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BOOST_HANA_TEST_UNARY_OP(!, true)
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// Member access
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constexpr int i = 4;
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constexpr int array[] = {0, 1, 2};
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BOOST_HANA_TEST_UNARY_OP(*, &i)
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BOOST_HANA_STATIC_ASSERT(_[0](array) == array[0]);
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assert(_[0](array, extra) == array[0]);
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assert(_[0](array, extra, extra) == array[0]);
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BOOST_HANA_STATIC_ASSERT(_[1](array) == array[1]);
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BOOST_HANA_STATIC_ASSERT(_[1](array) == array[1]);
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BOOST_HANA_STATIC_ASSERT(_[2](array) == array[2]);
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// Other
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BOOST_HANA_CONSTEXPR_LAMBDA auto f = [](auto x) { return x + 1; };
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BOOST_HANA_STATIC_ASSERT(_(1)(f) == f(1));
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assert(_(1)(f, extra) == f(1));
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assert(_(1)(f, extra, extra) == f(1));
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BOOST_HANA_STATIC_ASSERT(_(2)(f) == f(2));
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BOOST_HANA_STATIC_ASSERT(_(3)(f) == f(3));
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}
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