98546324c7
libstdc++-v3/ * testsuite/20_util/bind/ref_neg.cc: Tweak the dg-prune-output regex for out-of-build-tree contexts.
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright (C) 2010-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.8.9 Function template bind
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// { dg-options "-fno-show-column" }
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// { dg-do compile { target c++11 } }
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#include <functional>
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using namespace std::placeholders;
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int inc(int& i) { return ++i; }
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void test01()
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{
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const int dummy = 0;
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std::bind(&inc, _1)(0); // { dg-error "no match" }
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std::bind(&inc, std::ref(dummy))(); // { dg-error "no match" }
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}
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struct Inc
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{
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int operator()(int& i) const { return ++i; }
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void operator()(int&&) const { }
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int f(int&& i) const { return ++i; }
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};
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void test02()
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{
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const int dummy = 0;
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std::bind(Inc(), _1)(dummy); // { dg-error "no match" }
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std::bind(&Inc::f, Inc(), std::ref(dummy))(); // { dg-error "no match" }
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}
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// Ignore the reasons for deduction/substitution failure in the headers.
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// Arrange for the match to work on installed trees as well as build trees.
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// { dg-prune-output "/(functional|bits/invoke.h):" }
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int main()
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{
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test01();
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test02();
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}
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