libstdc++-v3/testsuite/27_io/filesystem/path/construct/90634.cc

   1 // Copyright (C) 2019-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++17" }
  19 // { dg-do run { target c++17 } }
  20
  21 #include <filesystem>
  22 #include <cstdlib>
  23 #include <testsuite_hooks.h>
  24
  25 std::size_t bytes_allocated = 0;
  26
  27 void* operator new(std::size_t n)
  28 {
  29   bytes_allocated += n;
  30   return std::malloc(n);
  31 }
  32
  33 void operator delete(void* p) noexcept { std::free(p); }
  34 #if __cpp_sized_deallocation
  35 void operator delete(void* p, std::size_t) noexcept { std::free(p); }
  36 #endif
  37
  38 void
  39 test01()
  40 {
  41 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
  42   std::wstring s0;
  43   std::wstring s1 = L"/";
  44   std::wstring s2 = L"///";
  45   std::wstring s3 = L"file";
  46   std::wstring s4 = L"C:";
  47   std::wstring s5 = L"\\";
  48 #else
  49   std::string s0;
  50   std::string s1 = "/";
  51   std::string s2 = "///";
  52   std::string s3 = "file";
  53   std::string s4 = "C:";
  54   std::string s5 = "\\";
  55 #endif
  56
  57   using std::filesystem::path;
  58
  59   bytes_allocated = 0;
  60   path p0 = std::move(s0);
  61   VERIFY( bytes_allocated == 0 );
  62   path p1 = std::move(s1);
  63   VERIFY( bytes_allocated == 0 );
  64   path p2 = std::move(s2);
  65   VERIFY( bytes_allocated == 0 );
  66   path p3 = std::move(s3);
  67   VERIFY( bytes_allocated == 0 );
  68   path p4 = std::move(s4);
  69   VERIFY( bytes_allocated == 0 );
  70   path p5 = std::move(s5);
  71   VERIFY( bytes_allocated == 0 );
  72 }
  73
  74 int
  75 main()
  76 {
  77   test01();
  78 }