ceph/src/boost/libs/yap/test/depth_stress_test_left.cpp

   1 // Copyright (C) 2016-2018 T. Zachary Laine
   2 //
   3 // Distributed under the Boost Software License, Version 1.0. (See
   4 // accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 #include <boost/yap/expression.hpp>
   7
   8 #include <boost/test/minimal.hpp>
   9
  10 #include <sstream>
  11
  12
  13 template <typename T>
  14 using term = boost::yap::terminal<boost::yap::expression, T>;
  15
  16 namespace yap = boost::yap;
  17
  18
  19 int test_main(int, char * [])
  20 {
  21 {
  22     term<double> unity{1.0};
  23
  24     {
  25         auto expr = (unity + (unity + (unity + (unity +    (unity + (unity + (unity + unity)))))));
  26         double result = boost::yap::evaluate(expr);
  27         BOOST_CHECK(result == 8.0);
  28     }
  29
  30     {
  31         auto expr =
  32             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  33             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  34             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  35             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  36
  37             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  38             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  39             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  40             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));
  41         double result = boost::yap::evaluate(expr);
  42         BOOST_CHECK(result == 64.0);
  43     }
  44
  45 #if 0 // This makes the Travis VMs barf.
  46     {
  47         auto expr =
  48             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  49             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  50             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  51             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  52
  53             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  54             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  55             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity +
  56             (unity + (unity + (unity + (unity +    (unity + (unity + (unity + (unity))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));
  57         double result = boost::yap::evaluate(
  58             (expr + (expr + (expr + (expr +    (expr + (expr + (expr + (expr +
  59             (expr + (expr + (expr + (expr +    (expr + (expr + (expr + (expr +
  60             (expr + (expr + (expr + (expr +    (expr + (expr + (expr + (expr +
  61             (expr + (expr + (expr + (expr +    (expr + (expr + (expr + (expr))))))))))))))))))))))))))))))))
  62         );
  63         BOOST_CHECK(result == 64.0 * 32.0);
  64     }
  65 #endif
  66 }
  67
  68 return 0;
  69 }