diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index aec162913c2..12dee3a273c 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,8 @@ 2018-10-08 Jonathan Wakely + PR libstdc++/87538 + * testsuite/experimental/functional/87538.cc: New test. + PR libstdc++/87538 * include/std/functional (_Not_fn::operator()): Check value of __is_nothrow_invocable as well. diff --git a/libstdc++-v3/testsuite/experimental/functional/87538.cc b/libstdc++-v3/testsuite/experimental/functional/87538.cc new file mode 100644 index 00000000000..1ee9ecd55f3 --- /dev/null +++ b/libstdc++-v3/testsuite/experimental/functional/87538.cc @@ -0,0 +1,48 @@ +// Copyright (C) 2018 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 +// . + +// { dg-do run { target c++14 } } + +#include +#include + +struct N { + int operator()(int i) { if (i == 0) throw -1; return i; } +}; + +void +test01() +{ + N n; + auto not_n = std::experimental::not_fn(n); + static_assert( !noexcept(not_n(1)), "can throw" ); + VERIFY(not_n(1) == 0); + int exception = 0; + try { + not_n(0); + } + catch (int e) { + exception = e; + } + VERIFY(exception == -1); +} + +int +main() +{ + test01(); +}