Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/25_algorithms/sample/constrained.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// Copyright (C) 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/>. // { dg-options "-std=gnu++2a" } // { dg-do run { target c++2a } } // { dg-require-cstdint "" } #include <algorithm> #include <random> #include <testsuite_hooks.h> #include <testsuite_iterators.h> using __gnu_test::test_range; using __gnu_test::forward_iterator_wrapper; using __gnu_test::input_iterator_wrapper; using __gnu_test::output_iterator_wrapper; using __gnu_test::random_access_iterator_wrapper; namespace ranges = std::ranges; std::mt19937 rng; template<template<typename> typename in_wrapper, template<typename> typename out_wrapper> void test01() { const int x[] = {1,2,3,4,5,6,7,8,9,10}; test_range<const int, in_wrapper> rx(x); int y[10]; test_range<int, out_wrapper> ry(y); auto out = ranges::sample(rx.begin(), rx.end(), ry.begin(), 20, rng); VERIFY( out.ptr == y+10 ); VERIFY( ranges::equal(x, y) ); for (int i = 0; i < 100; i++) { int z[5] = {0}; test_range<int, out_wrapper> rz(z); rx.bounds.first = x; auto out = ranges::sample(rx, rz.begin(), 5, rng); VERIFY( out.ptr == z+5 ); ranges::sort(z); VERIFY( ranges::adjacent_find(z) == out.ptr ); VERIFY( ranges::includes(x, z) ); } } int main() { test01<forward_iterator_wrapper, output_iterator_wrapper>(); test01<input_iterator_wrapper, random_access_iterator_wrapper>(); }