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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // UNSUPPORTED: c++98, c++03
     11 
     12 // <experimental/filesystem>
     13 
     14 // class path
     15 
     16 // path& make_preferred()
     17 
     18 #include <experimental/filesystem>
     19 #include <type_traits>
     20 #include <cassert>
     21 
     22 #include "test_macros.h"
     23 #include "test_iterators.h"
     24 #include "count_new.hpp"
     25 #include "filesystem_test_helper.hpp"
     26 
     27 namespace fs = std::experimental::filesystem;
     28 
     29 struct MakePreferredTestcase {
     30   const char* value;
     31 };
     32 
     33 const MakePreferredTestcase TestCases[] =
     34   {
     35       {""}
     36     , {"hello_world"}
     37     , {"/"}
     38     , {"/foo/bar/baz/"}
     39     , {"\\"}
     40     , {"\\foo\\bar\\baz\\"}
     41     , {"\\foo\\/bar\\/baz\\"}
     42   };
     43 
     44 int main()
     45 {
     46   // This operation is an identity operation on linux.
     47   using namespace fs;
     48   for (auto const & TC : TestCases) {
     49     path p(TC.value);
     50     assert(p == TC.value);
     51     path& Ref = (p.make_preferred());
     52     assert(p.native() == TC.value);
     53     assert(&Ref == &p);
     54   }
     55 }
     56