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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 // void create_hard_link(const path& existing_symlink, const path& new_symlink);
     15 // void create_hard_link(const path& existing_symlink, const path& new_symlink,
     16 //                   error_code& ec) noexcept;
     17 
     18 #include <experimental/filesystem>
     19 
     20 #include "test_macros.h"
     21 #include "rapid-cxx-test.hpp"
     22 #include "filesystem_test_helper.hpp"
     23 
     24 using namespace std::experimental::filesystem;
     25 namespace fs = std::experimental::filesystem;
     26 
     27 TEST_SUITE(filesystem_create_hard_link_test_suite)
     28 
     29 TEST_CASE(test_signatures)
     30 {
     31     const path p; ((void)p);
     32     std::error_code ec; ((void)ec);
     33     ASSERT_NOT_NOEXCEPT(fs::create_hard_link(p, p));
     34     ASSERT_NOEXCEPT(fs::create_hard_link(p, p, ec));
     35 }
     36 
     37 TEST_CASE(test_error_reporting)
     38 {
     39     scoped_test_env env;
     40     const path file = env.create_file("file1", 42);
     41     const path file2 = env.create_file("file2", 55);
     42     const path sym = env.create_symlink(file, "sym");
     43     { // destination exists
     44         std::error_code ec;
     45         fs::create_hard_link(sym, file2, ec);
     46         TEST_REQUIRE(ec);
     47     }
     48 }
     49 
     50 TEST_CASE(create_file_hard_link)
     51 {
     52     scoped_test_env env;
     53     const path file = env.create_file("file");
     54     const path dest = env.make_env_path("dest1");
     55     std::error_code ec;
     56     TEST_CHECK(hard_link_count(file) == 1);
     57     fs::create_hard_link(file, dest, ec);
     58     TEST_REQUIRE(!ec);
     59     TEST_CHECK(exists(dest));
     60     TEST_CHECK(equivalent(dest, file));
     61     TEST_CHECK(hard_link_count(file) == 2);
     62 }
     63 
     64 TEST_CASE(create_directory_hard_link_fails)
     65 {
     66     scoped_test_env env;
     67     const path dir = env.create_dir("dir");
     68     const path dest = env.make_env_path("dest2");
     69     std::error_code ec;
     70 
     71     fs::create_hard_link(dir, dest, ec);
     72     TEST_REQUIRE(ec);
     73 }
     74 
     75 TEST_SUITE_END()
     76