gcc/libstdc++-v3/testsuite/20_util/function_objects/83607.cc
2021-01-04 10:26:59 +01:00

62 lines
2.2 KiB
C++

// Copyright (C) 2018-2021 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++17" }
// { dg-do compile { target c++17 } }
#include <functional>
#include <cstddef>
// PR libstdc++/83607
using std::boyer_moore_searcher;
using std::boyer_moore_horspool_searcher;
using std::byte;
using std::hash;
using std::equal_to;
void
test01()
{
constexpr auto expected = sizeof(boyer_moore_searcher<const char*>);
static_assert(sizeof(boyer_moore_searcher<const long*>) != expected);
using T1 = boyer_moore_searcher<char*, hash<char>, equal_to<char>>;
static_assert(sizeof(T1) == expected);
using T2 = boyer_moore_searcher<byte*>;
static_assert(sizeof(T2) == expected);
using T3 = boyer_moore_searcher<const byte*>;
static_assert(sizeof(T3) == expected);
using T4 = boyer_moore_searcher<const byte*, hash<byte>, equal_to<byte>>;
static_assert(sizeof(T4) == expected);
}
void
test02()
{
constexpr auto expected = sizeof(boyer_moore_horspool_searcher<const char*>);
static_assert(sizeof(boyer_moore_horspool_searcher<const long*>) != expected);
using T1 = boyer_moore_horspool_searcher<char*, hash<char>, equal_to<char>>;
static_assert(sizeof(T1) == expected);
using T2 = boyer_moore_horspool_searcher<byte*>;
static_assert(sizeof(T2) == expected);
using T3 = boyer_moore_horspool_searcher<const byte*>;
static_assert(sizeof(T3) == expected);
using T4
= boyer_moore_horspool_searcher<const byte*, hash<byte>, equal_to<byte>>;
static_assert(sizeof(T4) == expected);
}