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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::string_view str1("foobar");
std::string str2("foobar");
auto x = str2.compare(str1);
VERIFY (x == 0);
str1 = "bar";
x = str2.compare(str1);
VERIFY (x > 0);
str1 = "foobar";
str2 = "bar";
x = str2.compare(str1);
VERIFY (x < 0);
x = str2.compare(0, 3, str1, 3, 3);
VERIFY (x == 0);
str1 = "bar";
str2 = "foobar";
x = str2.compare(3, 3, str1);
VERIFY (x == 0);
}
// PR libstdc++/77264
void
test04()
{
const std::string str("a");
char c = 'a';
int res = str.compare(0, 1, &c, 1);
VERIFY ( !res );
char arr[] = "a";
res = str.compare(0, 1, arr, 1);
VERIFY ( !res );
const char carr[] = "a";
res = str.compare(0, 1, carr, 1);
VERIFY ( !res );
struct S {
operator char*() { return &c; }
operator std::string_view() { return "!"; }
char c = 'a';
};
res = str.compare(0, 1, S{}, 1);
VERIFY ( !res );
}
int main()
{
test03();
test04();
return 0;
}
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