49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
// Copyright (C) 2018-2019 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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// { dg-do run { target c++14 } }
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#include <experimental/functional>
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#include <testsuite_hooks.h>
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struct N {
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int operator()(int i) { if (i == 0) throw -1; return i; }
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};
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void
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test01()
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{
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N n;
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auto not_n = std::experimental::not_fn(n);
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static_assert( !noexcept(not_n(1)), "can throw" );
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VERIFY(not_n(1) == 0);
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int exception = 0;
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try {
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not_n(0);
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}
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catch (int e) {
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exception = e;
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}
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VERIFY(exception == -1);
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}
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int
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main()
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{
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test01();
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}
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