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1 // { dg-options "-std=gnu++17" }
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2 // { dg-do run { target c++17 } }
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3
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4 // Copyright (C) 2020 Free Software Foundation, Inc.
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5 //
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6 // This file is part of the GNU ISO C++ Library. This library is free
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7 // software; you can redistribute it and/or modify it under the
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8 // terms of the GNU General Public License as published by the
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9 // Free Software Foundation; either version 3, or (at your option)
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10 // any later version.
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11
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12 // This library is distributed in the hope that it will be useful,
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13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 // GNU General Public License for more details.
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16
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17 // You should have received a copy of the GNU General Public License along
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18 // with this library; see the file COPYING3. If not see
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19 // <http://www.gnu.org/licenses/>.
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20
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21 #include <any>
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22 #include <utility>
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23 #include <tuple>
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24 #include <testsuite_hooks.h>
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25
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26 void
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27 test01()
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28 {
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29 auto a = std::any(std::in_place_type<std::any>, 5);
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30 VERIFY( std::any_cast<int>(std::any_cast<std::any>(a)) == 5 );
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31
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32 auto b = std::any(std::in_place_type<std::any>, {1});
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33 (void) std::any_cast<std::initializer_list<int>>(std::any_cast<std::any>(b));
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34 }
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35
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36 void
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37 test02()
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38 {
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39 std::any p = std::pair<std::any, std::any>(1, 1);
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40 auto pt = std::any_cast<std::pair<std::any, std::any>>(p);
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41 VERIFY( std::any_cast<int>(pt.first) == 1 );
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42 VERIFY( std::any_cast<int>(pt.second) == 1 );
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43
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44 std::any t = std::tuple<std::any>(1);
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45 auto tt = std::any_cast<std::tuple<std::any>>(t);
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46 VERIFY( std::any_cast<int>(std::get<0>(tt)) == 1 );
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47 }
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48
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49 int main()
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50 {
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51 test01();
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52 test02();
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53 }
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