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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 p, size_t r>
     13 // class discard_block_engine
     14 
     15 // discard_block_engine& operator=(const discard_block_engine&);
     16 
     17 #include <random>
     18 #include <cassert>
     19 
     20 void
     21 test1()
     22 {
     23     typedef std::ranlux24 E;
     24     E e1(2);
     25     e1();
     26     E e2(5);
     27     e2 = e1;
     28     assert(e1 == e2);
     29     assert(e1() == e2());
     30     E::result_type k = e1();
     31     assert(e1 != e2);
     32     assert(e2() == k);
     33     assert(e1 == e2);
     34 }
     35 
     36 void
     37 test2()
     38 {
     39     typedef std::ranlux48 E;
     40     E e1(3);
     41     e1();
     42     E e2(5);
     43     e2 = e1;
     44     assert(e1 == e2);
     45     assert(e1() == e2());
     46     E::result_type k = e1();
     47     assert(e1 != e2);
     48     assert(e2() == k);
     49     assert(e1 == e2);
     50 }
     51 
     52 int main()
     53 {
     54     test1();
     55     test2();
     56 }
     57