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// Copyright (C) 2019-2022 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-do run }
#include <algorithm>
#include <testsuite_hooks.h>
int a[4] = { 0, 1, 2, 3 };
int g;
int gen() { return g; }
enum E { e2 = 2 };
struct Num
{
char val;
operator char() const { return val; }
private:
void operator+() const;
void operator+(int) const;
void operator+(Num) const;
void operator<(int) const;
void operator>(int) const;
void operator<=(int) const;
void operator>=(int) const;
void operator==(int) const;
void operator!=(int) const;
};
void
test01()
{
int* p;
g = -1;
p = std::generate_n(a, true, &gen); // bool as Size
VERIFY( p == a+1 );
VERIFY( a[0] == g );
VERIFY( a[1] == 1 );
VERIFY( a[2] == 2 );
VERIFY( a[3] == 3 );
g = -2;
p = std::generate_n(a, e2, &gen); // enumeration type as Size
VERIFY( p == a+2 );
VERIFY( a[0] == g );
VERIFY( a[1] == g );
VERIFY( a[2] == 2 );
VERIFY( a[3] == 3 );
g = -3;
p = std::generate_n(a, 3.5, &gen); // floating point type as Size
VERIFY( p == a+3 );
VERIFY( a[0] == g );
VERIFY( a[1] == g );
VERIFY( a[2] == g );
VERIFY( a[3] == 3 );
g = -4;
Num n = { 3 };
p = std::generate_n(a, n, &gen); // non-scalar type as Size
VERIFY( p == a+3 );
VERIFY( a[0] == g );
VERIFY( a[1] == g );
VERIFY( a[2] == g );
VERIFY( a[3] == 3 );
}
int main()
{
test01();
}
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