Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/25_algorithms/find/constrained.cc @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +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 } } #include <algorithm> #include <testsuite_hooks.h> #include <testsuite_iterators.h> using __gnu_test::test_container; using __gnu_test::test_range; using __gnu_test::input_iterator_wrapper; using __gnu_test::forward_iterator_wrapper; namespace ranges = std::ranges; struct X { int i; }; void test01() { X x[] = { {2}, {2}, {6}, {8}, {10}, {11} }; auto res = ranges::find(x, x+6, 8, &X::i); VERIFY( res == x+3 ); res = ranges::find(x, x+6, 2, &X::i); VERIFY( res == x+0 ); res = ranges::find(x, x+6, 9, &X::i); VERIFY( res == x+6 ); test_container<X, forward_iterator_wrapper> c(x); auto res2 = ranges::find(c, 8, &X::i); VERIFY( res2 != ranges::end(c) && res2->i == 8 ); res2 = ranges::find(c, 9, &X::i); VERIFY( res2 == ranges::end(c) ); test_range<X, input_iterator_wrapper> r(x); auto res3 = ranges::find(r, 8, &X::i); VERIFY( res3 != ranges::end(r) && res3->i == 8 ); r.bounds.first = x; res3 = ranges::find(r, 9, &X::i); VERIFY( res3 == ranges::end(r) ); } struct Y { int i; int j; }; void test02() { static constexpr Y y[] = { {1,2}, {2,4}, {3,6} }; static_assert(ranges::find(y, 4, &Y::j) == y+1); static_assert(ranges::find(y, 5, &Y::j) == y+3); } int main() { test01(); test02(); }