Line data    Source code

       1             : // Copyright (c) 2021-2024  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/snapdev
       4             : // contact@m2osw.com
       5             : //
       6             : // This program is free software: you can redistribute it and/or modify
       7             : // it under the terms of the GNU General Public License as published by
       8             : // the Free Software Foundation, either version 3 of the License, or
       9             : // (at your option) any later version.
      10             : //
      11             : // This program is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             : // GNU General Public License for more details.
      15             : //
      16             : // You should have received a copy of the GNU General Public License
      17             : // along with this program.  If not, see <https://www.gnu.org/licenses/>.
      18             : 
      19             : /** \file
      20             :  * \brief Verify the various \<number>_to_string() functions.
      21             :  *
      22             :  * This checks a few transformations to make sure they work as expected.
      23             :  *
      24             :  * The supported functions are:
      25             :  *
      26             :  * \li integer_to_string()
      27             :  */
      28             : 
      29             : // self
      30             : //
      31             : #include    "catch_main.h"
      32             : 
      33             : 
      34             : 
      35             : // snapdev
      36             : //
      37             : #include    <snapdev/number_to_string.h>
      38             : 
      39             : 
      40             : // last include
      41             : //
      42             : #include    <snapdev/poison.h>
      43             : 
      44             : 
      45             : // __int128 is not ISO C++ yet
      46             : #pragma GCC diagnostic ignored "-Wpedantic"
      47             : 
      48             : 
      49           1 : CATCH_TEST_CASE("number_to_string(int)", "[string]")
      50             : {
      51           1 :     CATCH_START_SECTION("number_to_string(int): convert integers (int) to a string")
      52             :     {
      53        1001 :         for(int i(0); i < 1000; ++i)
      54             :         {
      55        1000 :             int n(rand());
      56             :             { // default base
      57        1000 :                 std::string const result(snapdev::integer_to_string(n));
      58        1000 :                 std::string const expected(std::to_string(n));
      59        1000 :                 CATCH_REQUIRE(expected == result);
      60        1000 :             }
      61             :             { // explicit base 10
      62        1000 :                 std::string const result(snapdev::integer_to_string(n, 10));
      63        1000 :                 std::string const expected(std::to_string(n));
      64        1000 :                 CATCH_REQUIRE(expected == result);
      65        1000 :             }
      66             :             { // base 8
      67        1000 :                 std::string const result(snapdev::integer_to_string(n, 8));
      68        1000 :                 std::stringstream ss;
      69        1000 :                 ss << std::oct << n;
      70        1000 :                 std::string const expected(ss.str());
      71        1000 :                 CATCH_REQUIRE(expected == result);
      72        1000 :             }
      73             :             { // base 16 -- lowercase (default)
      74        1000 :                 std::string const result(snapdev::integer_to_string(n, 16));
      75        1000 :                 std::stringstream ss;
      76        1000 :                 ss << std::hex << n;
      77        1000 :                 std::string const expected(ss.str());
      78        1000 :                 CATCH_REQUIRE(expected == result);
      79        1000 :             }
      80             :             { // base 16 -- lowercase (explicit)
      81        1000 :                 std::string const result(snapdev::integer_to_string(n, 16, false));
      82        1000 :                 std::stringstream ss;
      83        1000 :                 ss << std::hex << n;
      84        1000 :                 std::string const expected(ss.str());
      85        1000 :                 CATCH_REQUIRE(expected == result);
      86        1000 :             }
      87             :             { // base 16 -- uppercase
      88        1000 :                 std::string const result(snapdev::integer_to_string(n, 16, true));
      89        1000 :                 std::stringstream ss;
      90        1000 :                 ss << std::hex << std::uppercase << n;
      91        1000 :                 std::string const expected(ss.str());
      92        1000 :                 CATCH_REQUIRE(expected == result);
      93        1000 :             }
      94             :         }
      95             :     }
      96           1 :     CATCH_END_SECTION()
      97           1 : }
      98             : 
      99             : 
     100             : 
     101             : // vim: ts=4 sw=4 et