Line data    Source code

       1             : /*
       2             :  * File:
       3             :  *    tests/main.h
       4             :  *
       5             :  * License:
       6             :  *    Copyright (c) 2006-2019  Made to Order Software Corp.  All Rights Reserved
       7             :  *
       8             :  *    https://snapwebsites.org/
       9             :  *    contact@m2osw.com
      10             :  *
      11             :  *    This program is free software; you can redistribute it and/or modify
      12             :  *    it under the terms of the GNU General Public License as published by
      13             :  *    the Free Software Foundation; either version 2 of the License, or
      14             :  *    (at your option) any later version.
      15             :  *
      16             :  *    This program is distributed in the hope that it will be useful,
      17             :  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
      18             :  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19             :  *    GNU General Public License for more details.
      20             :  *
      21             :  *    You should have received a copy of the GNU General Public License along
      22             :  *    with this program; if not, write to the Free Software Foundation, Inc.,
      23             :  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      24             :  *
      25             :  * Authors:
      26             :  *    Alexis Wilke   alexis@m2osw.com
      27             :  */
      28             : #ifndef UNIT_TEST_MAIN_H
      29             : #define UNIT_TEST_MAIN_H
      30             : 
      31             : // catch2 lib
      32             : //
      33             : #include <catch2/snapcatch2.hpp>
      34             : 
      35             : // C++ lib
      36             : //
      37             : #include <string>
      38             : #include <cstring>
      39             : #include <cstdlib>
      40             : #include <iostream>
      41             : 
      42             : 
      43             : 
      44             : namespace SNAP_CATCH2_NAMESPACE
      45             : {
      46             : 
      47             : 
      48             : 
      49             : 
      50     2098472 : inline char32_t rand_char(bool full_range = false)
      51             : {
      52     2098472 :     char32_t const max((full_range ? 0x0110000 : 0x0010000) - (0xE000 - 0xD800));
      53             : 
      54             :     char32_t wc;
      55          26 :     do
      56             :     {
      57     2098498 :         wc = ((rand() << 16) ^ rand()) % max;
      58             :     }
      59     2098498 :     while(wc == 0);
      60     2098472 :     if(wc >= 0xD800)
      61             :     {
      62             :         // skip the surrogates
      63             :         //
      64      274300 :         wc += 0xE000 - 0xD800;
      65             :     }
      66             : 
      67     2098472 :     return wc;
      68             : }
      69             : 
      70             : 
      71             : 
      72             : }
      73             : // unittest namespace
      74             : #endif
      75             : // vim: ts=4 sw=4 et