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

   1 // Copyright (C) 2019-2021 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 "-DUSE_FILESYSTEM_TS -lstdc++fs" }
  19 // { dg-do run { target c++11 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 #include <experimental/filesystem>
  23 #include <cstdlib>
  24 #include <testsuite_hooks.h>
  25
  26 std::size_t bytes_allocated = 0;
  27
  28 void* operator new(std::size_t n)
  29 {
  30   bytes_allocated += n;
  31   return std::malloc(n);
  32 }
  33
  34 void operator delete(void* p) noexcept { std::free(p); }
  35 #if __cpp_sized_deallocation
  36 void operator delete(void* p, std::size_t) noexcept { std::free(p); }
  37 #endif
  38
  39 void
  40 test01()
  41 {
  42 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
  43   std::wstring s0;
  44   std::wstring s1 = L"/";
  45   std::wstring s2 = L"file";
  46   std::wstring s3 = L"C:";
  47   std::wstring s4 = L"\\";
  48 #else
  49   std::string s0;
  50   std::string s1 = "/";
  51   std::string s2 = "file";
  52   std::string s3 = "C:";
  53   std::string s4 = "\\";
  54 #endif
  55
  56   using std::experimental::filesystem::path;
  57
  58   bytes_allocated = 0;
  59   path p0 = std::move(s0);
  60   VERIFY( bytes_allocated == 0 );
  61   path p1 = std::move(s1);
  62   VERIFY( bytes_allocated == 0 );
  63   path p2 = std::move(s2);
  64   VERIFY( bytes_allocated == 0 );
  65   path p3 = std::move(s3);
  66   VERIFY( bytes_allocated == 0 );
  67   path p4 = std::move(s4);
  68   VERIFY( bytes_allocated == 0 );
  69 }
  70
  71 int
  72 main()
  73 {
  74   test01();
  75 }