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// { dg-options "-std=gnu++17" }
// Copyright (C) 2016-2018 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/>.
// [string::compare]
#include <string>
#include <testsuite_hooks.h>
void
test03()
{
std::wstring_view str1(L"foobar");
std::wstring str2(L"foobar");
auto x = str2.compare(str1);
VERIFY (x == 0);
str1 = L"bar";
x = str2.compare(str1);
VERIFY (x > 0);
str1 = L"foobar";
str2 = L"bar";
x = str2.compare(str1);
VERIFY (x < 0);
x = str2.compare(0, 3, str1, 3, 3);
VERIFY (x == 0);
str1 = L"bar";
str2 = L"foobar";
x = str2.compare(3, 3, str1);
VERIFY (x == 0);
}
// PR libstdc++/77264
void
test04()
{
const std::wstring str(L"a");
wchar_t c = L'a';
int res = str.compare(0, 1, &c, 1);
VERIFY ( !res );
wchar_t arr[] = L"a";
res = str.compare(0, 1, arr, 1);
VERIFY ( !res );
const wchar_t carr[] = L"a";
res = str.compare(0, 1, carr, 1);
VERIFY ( !res );
struct S {
operator wchar_t*() { return &c; }
operator std::wstring_view() { return L"!"; }
wchar_t c = L'a';
};
res = str.compare(0, 1, S{}, 1);
VERIFY ( !res );
}
int main()
{
test03();
test04();
return 0;
}
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