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// { dg-options "-std=gnu++17" }
// Copyright (C) 2013-2018 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
// <http://www.gnu.org/licenses/>.
// basic_string_view::substr
#include <string_view>
#include <stdexcept>
#include <testsuite_hooks.h>
void
test01()
{
typedef std::string_view::size_type csize_type;
typedef std::string_view::const_reference cref;
typedef std::string_view::reference ref;
csize_type csz01;
const char str_lit01[] = "rockaway, pacifica";
const std::string_view str01(str_lit01);
std::string_view str02;
// basic_string_view<charT, _Traits, _Alloc>
// substr(size_type pos = 0, size_type n = npos) const;
csz01 = str01.size();
str02 = str01.substr(0, 1);
VERIFY( str02 == "r" );
str02 = str01.substr(10);
VERIFY( str02 == "pacifica" );
try
{
str02 = str01.substr(csz01 + 1);
VERIFY( false );
}
catch(std::out_of_range& fail)
{
VERIFY( true );
}
catch(...)
{
VERIFY( false );
}
try
{
str02 = str01.substr(csz01);
VERIFY( str02.size() == 0 );
VERIFY( str02.begin() == str01.end() );
VERIFY( true );
}
catch(...)
{
VERIFY( false );
}
}
int
main()
{
test01();
return 0;
}
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