Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/25_algorithms/for_each/for_each_n.cc @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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// { dg-options "-std=gnu++17" } // { dg-do run { target c++17 } } // Copyright (C) 2019-2020 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. #include <algorithm> #include <testsuite_hooks.h> #include <testsuite_iterators.h> void test01() { using __gnu_test::test_container; using __gnu_test::input_iterator_wrapper; int array[5] = { 1, 2, 3, 4, 5 }; test_container<int, input_iterator_wrapper> con(array); int sum = 0; struct Func { Func(int& i) : i(i) { } Func(Func&&) = default; Func& operator=(Func&&) = delete; void operator()(int n) const { i += n; } int& i; }; struct Size { Size(short v) : val(v) { } operator short() const { return val; } short val; }; auto res = std::for_each_n(con.begin(), Size(con.size()), Func(sum)); VERIFY( res == con.end() ); VERIFY( sum == 15 ); } void test02() { using __gnu_test::test_container; using __gnu_test::random_access_iterator_wrapper; int array[5] = { 2, 4, 6, 8, 10 }; test_container<int, random_access_iterator_wrapper> con(array); int prod = 1; struct Func { Func(int& i) : i(i) { } Func(Func&&) = default; Func& operator=(Func&&) = delete; void operator()(int n) const { i *= n; } int& i; }; struct Size { Size(short v) : val(v) { } operator short() const { return val; } short val; }; auto res = std::for_each_n(con.begin(), Size(con.size()), Func(prod)); VERIFY( res == con.end() ); VERIFY( prod == 3840 ); } int main() { test01(); test02(); }