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

33 lines
783 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// class seed_seq;
// template<class InputIterator>
// seed_seq(InputIterator begin, InputIterator end);
#include <random>
#include <cassert>
int main()
{
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);
}