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// { dg-options "-std=gnu++17" }
// { dg-do run { target c++17 } }
// Copyright (C) 2016-2021 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/>.
// [string.modifiers]
#include <string>
#include <testsuite_hooks.h>
void
test03()
{
std::wstring_view str1(L"foo");
std::wstring str2;
str2.assign(str1);
VERIFY (str2 == str1);
std::wstring str4;
str4.assign(str1, 1, 2);
VERIFY (str4 == L"oo");
}
// PR libstdc++/77264
void
test04()
{
std::wstring str(L"a");
wchar_t c = L'b';
str.assign(&c, 1);
VERIFY (str[0] == c);
wchar_t arr[] = L"c";
str.assign(arr, 1);
VERIFY (str[0] == arr[0]);
const wchar_t carr[] = L"d";
str.assign(carr, 1);
VERIFY (str[0] == carr[0]);
struct S {
operator wchar_t*() { return &c; }
operator std::wstring_view() { return L"!"; }
wchar_t c = L'e';
};
str.assign(S{}, 1);
VERIFY (str[0] == S{}.c);
}
int main()
{
test03();
test04();
return 0;
}
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