ceph/src/boost/libs/beast/test/beast/core/_detail_varint.cpp

   1 //
   2 // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7
   8 // Test that header file is self-contained.
   9 #include <boost/beast/core/detail/varint.hpp>
  10
  11 #include <boost/beast/_experimental/unit_test/suite.hpp>
  12
  13 namespace boost {
  14 namespace beast {
  15 namespace detail {
  16
  17 class varint_test : public beast::unit_test::suite
  18 {
  19 public:
  20     void
  21     testVarint()
  22     {
  23         std::size_t n0 = 0;
  24         std::size_t n1 = 1;
  25         for(;;)
  26         {
  27             char buf[16];
  28             BOOST_ASSERT(sizeof(buf) >= varint_size(n0));
  29             auto it = &buf[0];
  30             varint_write(it, n0);
  31             it = &buf[0];
  32             auto n = varint_read(it);
  33             BEAST_EXPECT(n == n0);
  34             n = n0 + n1;
  35             if(n < n1)
  36                 break;
  37             n0 = n1;
  38             n1 = n;
  39         }
  40     }
  41
  42     void
  43     run()
  44     {
  45         testVarint();
  46     }
  47 };
  48
  49 BEAST_DEFINE_TESTSUITE(beast,core,varint);
  50
  51 } // detail
  52 } // beast
  53 } // boost