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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <random>
     11 
     12 // template<class Engine, size_t w, class UIntType>
     13 // class independent_bits_engine
     14 
     15 // template <class charT, class traits,
     16 //           class Engine, size_t w, class UIntType>
     17 // basic_ostream<charT, traits>&
     18 // operator<<(basic_ostream<charT, traits>& os,
     19 //            const independent_bits_engine<Engine, w, UIntType>& x);
     20 //
     21 // template <class charT, class traits,
     22 //           class Engine, size_t w, class UIntType>
     23 // basic_istream<charT, traits>&
     24 // operator>>(basic_istream<charT, traits>& is,
     25 //            independent_bits_engine<Engine, w, UIntType>& x);
     26 
     27 #include <random>
     28 #include <sstream>
     29 #include <cassert>
     30 
     31 void
     32 test1()
     33 {
     34     typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
     35     E e1;
     36     e1.discard(100);
     37     std::ostringstream os;
     38     os << e1;
     39     std::istringstream is(os.str());
     40     E e2;
     41     is >> e2;
     42     assert(e1 == e2);
     43 }
     44 
     45 void
     46 test2()
     47 {
     48     typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
     49     E e1;
     50     e1.discard(100);
     51     std::ostringstream os;
     52     os << e1;
     53     std::istringstream is(os.str());
     54     E e2;
     55     is >> e2;
     56     assert(e1 == e2);
     57 }
     58 
     59 int main()
     60 {
     61     test1();
     62     test2();
     63 }
     64