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libcxx_old/test/std/numerics/rand/rand.util/rand.util.seedseq/iterator.pass.cpp

36 lines
846 B
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <random>
// class seed_seq;
// template<class InputIterator>
// seed_seq(InputIterator begin, InputIterator end);
#include <random>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
unsigned a[5] = {5, 4, 3, 2, 1};
std::seed_seq s(a, a+5);
assert(s.size() == 5);
unsigned b[5] = {0};
s.param(b);
assert(b[0] == 5);
assert(b[1] == 4);
assert(b[2] == 3);
assert(b[3] == 2);
assert(b[4] == 1);
return 0;
}