1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
|
//===----------------------------------------------------------------------===//
//
// 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 random_device;
// explicit random_device(const string& token = "/dev/urandom");
#include <random>
#include <cassert>
#include <unistd.h>
int main()
{
try
{
std::random_device r("wrong file");
assert(false);
}
catch (const std::system_error& e)
{
}
{
std::random_device r;
}
{
int ec;
ec = close(STDIN_FILENO);
assert(!ec);
ec = close(STDOUT_FILENO);
assert(!ec);
ec = close(STDERR_FILENO);
assert(!ec);
std::random_device r;
}
{
std::random_device r("/dev/urandom");;
}
{
std::random_device r("/dev/random");;
}
}
|