ceph/src/boost/libs/system/test/snprintf_test.cpp

   1 // Copyright 2021 Peter Dimov.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // http://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/system/detail/snprintf.hpp>
   6 #include <boost/core/lightweight_test.hpp>
   7
   8 int main()
   9 {
  10     {
  11         char buffer[ 64 ];
  12         boost::system::detail::snprintf( buffer, sizeof(buffer), "...%s...%d...", "xy", 151 );
  13
  14         BOOST_TEST_CSTR_EQ( buffer, "...xy...151..." );
  15     }
  16
  17     {
  18         char buffer[ 64 ];
  19         boost::system::detail::snprintf( buffer, sizeof(buffer), "...%s...%d...", "xy", 151 );
  20
  21         BOOST_TEST_CSTR_EQ( buffer, "...xy...151..." );
  22     }
  23
  24     {
  25         char buffer[ 15 ];
  26         boost::system::detail::snprintf( buffer, sizeof(buffer), "...%s...%d...", "xy", 151 );
  27
  28         BOOST_TEST_CSTR_EQ( buffer, "...xy...151..." );
  29     }
  30
  31     {
  32         char buffer[ 14 ];
  33         boost::system::detail::snprintf( buffer, sizeof(buffer), "...%s...%d...", "xy", 151 );
  34
  35         BOOST_TEST_CSTR_EQ( buffer, "...xy...151.." );
  36     }
  37
  38     {
  39         char buffer[ 5 ];
  40         boost::system::detail::snprintf( buffer, sizeof(buffer), "...%s...%d...", "xy", 151 );
  41
  42         BOOST_TEST_CSTR_EQ( buffer, "...x" );
  43     }
  44
  45     {
  46         char buffer[ 1 ];
  47         boost::system::detail::snprintf( buffer, sizeof(buffer), "...%s...%d...", "xy", 151 );
  48
  49         BOOST_TEST_CSTR_EQ( buffer, "" );
  50     }
  51
  52     {
  53         char buffer[ 1 ] = { 'Q' };
  54         boost::system::detail::snprintf( buffer, 0, "...%s...%d...", "xy", 151 );
  55
  56         BOOST_TEST_EQ( buffer[0], 'Q' );
  57     }
  58
  59     return boost::report_errors();
  60 }