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

   1 // Copyright (C) 2019 Paul Keir
   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/yap.hpp>
   7
   8 #include <boost/test/minimal.hpp>
   9
  10 namespace yap = boost::yap;
  11
  12 int test_main(int, char * [])
  13 {
  14     // Test replacements(), which returns a transform object
  15     {
  16         using namespace boost::yap::literals;
  17
  18         auto expr_in  = 1_p * 2_p;
  19         auto xform    = yap::replacements(6,9);
  20         auto expr_out = yap::transform(expr_in,xform);
  21         auto result   = yap::evaluate(expr_out);
  22         BOOST_CHECK(result == 54);
  23     }
  24
  25     // Test evaluation(), which returns a transform object
  26     {
  27         using namespace boost::yap::literals;
  28
  29         auto expr_in  = 1_p * 2_p;
  30         auto xform    = yap::evaluation(7,10);
  31         auto result   = yap::transform(expr_in,xform);
  32         BOOST_CHECK(result == 70);
  33     }
  34
  35     // Test replace_placeholders(), which returns an expression
  36     {
  37         using namespace boost::yap::literals;
  38
  39         auto expr_in  = 1_p * 2_p;
  40         auto expr_out = yap::replace_placeholders(expr_in,8,11);
  41         auto result   = yap::evaluate(expr_out);
  42         BOOST_CHECK(result == 88);
  43     }
  44
  45     return 0;
  46 }
  47