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// { dg-options "-std=gnu++14" }
// { dg-require-effective-target tls_runtime }
// Copyright (C) 2015 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 moved_to of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <experimental/random>
#include <testsuite_hooks.h>
void
test01()
{
for (int i = 0; i < 100; ++i)
{
const int n = std::experimental::randint(-10, i);
VERIFY( -10 <= n && n <= i );
}
std::experimental::reseed(99u);
const long n1[] = {
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100)
};
std::experimental::reseed(99u);
const long n2[] = {
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100)
};
for (int i = 0; i < 5; ++i)
VERIFY( n1[i] == n2[i] );
std::experimental::reseed();
const long n3[] = {
std::experimental::randint(0, 100),
std::experimental::randint(0, 100),
std::experimental::randint(0, 100)
};
VERIFY( !(n3[0] == n1[0] && n3[1] == n1[1] && n3[2] == n1[2]) );
}
void
test02()
{
auto check = [](auto v) {
auto n = std::experimental::randint(decltype(v)(0), v);
static_assert(std::is_same<decltype(n), decltype(v)>::value,
"return type is correct");
VERIFY(0 <= n && n <= v);
};
check( (short)10 );
check( 100 );
check( 1000L );
check( 10000LL );
check( (unsigned short)10 );
check( 100U );
check( 1000UL );
check( 10000ULL );
}
int main()
{
test01();
test02();
}
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