Commit 99f12959 by Jonathan Wakely Committed by Jonathan Wakely

Add test for std::hash<std::error_code>

Copied from 19_diagnostics/error_condition/hash.cc added recently.

	* testsuite/19_diagnostics/error_code/hash.cc: New test.

From-SVN: r270951
parent 339197c7
2019-05-07 Jonathan Wakely <jwakely@redhat.com>
* testsuite/19_diagnostics/error_code/hash.cc: New test.
2019-05-06 François Dumont <fdumont@gcc.gnu.org>
* python/libstdcxx/v6/printers.py (add_one_template_type_printer):
......
// Copyright (C) 2019 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-do run { target c++11 } }
#include <system_error>
#include <testsuite_hooks.h>
struct error_cat : std::error_category
{
error_cat(std::string s) : _name(s) { }
std::string _name;
const char* name() const noexcept override { return _name.c_str(); }
std::string message(int) const override { return "error"; }
};
void
test01()
{
std::hash<std::error_code> h;
error_cat kitty("kitty"), moggy("moggy");
std::error_code cond1(99, kitty);
VERIFY( h(cond1) == h(cond1) );
std::error_code cond2(99, kitty);
VERIFY( h(cond1) == h(cond2) );
std::error_code cond3(88, kitty);
VERIFY( h(cond1) != h(cond3) );
std::error_code cond4(99, moggy);
VERIFY( h(cond1) != h(cond4) );
}
int
main()
{
test01();
}
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