Add support for directory symlinks on Windows

1 files changed, 55 insertions, 9 deletions

diff --git a/tests/link/driver.cxx b/tests/link/driver.cxx
index 352cadd..da7e5b4 100644
--- a/tests/link/driver.cxx
+++ b/tests/link/driver.cxx
@@ -7,6 +7,7 @@
 #ifndef __cpp_lib_modules
 #include <set>
 #include <utility>      // pair
+#include <iostream>     // cerr
 #include <system_error>
 #endif
 
@@ -15,12 +16,17 @@
 #ifdef __cpp_modules
 #ifdef __cpp_lib_modules
 import std.core;
+import std.io;
 #endif
 import butl.path;
+import butl.path_io;
+import butl.utility;
 import butl.fdstream;
 import butl.filesystem;
 #else
 #include <libbutl/path.mxx>
+#include <libbutl/path-io.mxx>
+#include <libbutl/utility.mxx>
 #include <libbutl/fdstream.mxx>
 #include <libbutl/filesystem.mxx>
 #endif
@@ -55,7 +61,6 @@ link_file (const path& target, const path& link, bool hard, bool check_content)
   return s == text;
 }
 
-#ifndef _WIN32
 static bool
 link_dir (const dir_path& target,
           const dir_path& link,
@@ -69,12 +74,22 @@ link_dir (const dir_path& target,
     else
       mksymlink (target, link);
   }
-  catch (const system_error& e)
+  catch (const system_error&)
   {
     //cerr << e << endl;
     return false;
   }
 
+  {
+    auto pe (path_entry (link, false /* follow_symlinks */));
+    assert (pe.first && pe.second.type == entry_type::symlink);
+  }
+
+  {
+    auto pe (path_entry (link, true /* follow_symlinks */));
+    assert (!pe.first || pe.second.type == entry_type::directory);
+  }
+
   if (!check_content)
     return true;
 
@@ -90,7 +105,6 @@ link_dir (const dir_path& target,
 
   return te == le;
 }
-#endif
 
 int
 main ()
@@ -101,7 +115,16 @@ main ()
   // faulty run) for the test files. Delete the directory only if the test
   // succeeds to simplify the failure research.
   //
-  try_rmdir_r (td);
+  try
+  {
+    try_rmdir_r (td);
+  }
+  catch (const system_error& e)
+  {
+    cerr << "unable to remove " << td << ": " << e << endl;
+    return 1;
+  }
+
   assert (try_mkdir (td) == mkdir_status::success);
 
   // Prepare the target file.
@@ -131,27 +154,50 @@ main ()
   // Create the file symlink using an unexistent file path.
   //
   assert (link_file (fp + "-a", td / path ("sa"), false, false));
+#endif
 
   // Prepare the target directory.
   //
   dir_path dn ("dir");
   dir_path dp (td / dn);
+
   assert (try_mkdir (dp) == mkdir_status::success);
+
+  {
+    ofdstream ofs (dp / path ("f"));
+    ofs << text;
+    ofs.close ();
+  }
+
+#ifndef _WIN32
   assert (link_file (fp, dp / path ("hlink"), true, true));
   assert (link_file (fp, dp / path ("slink"), false, true));
+#endif
 
   // Create the directory symlink using an absolute path.
   //
-  assert (link_dir (dp, td / dir_path ("dslink"), false, true));
+  dir_path ld (td / dir_path ("dslink"));
+  assert (link_dir (dp, ld, false, true));
 
-  // Create the directory symlink using a relative path.
-  //
-  assert (link_dir (dn, td / dir_path ("rdslink"), false, true));
+  rmsymlink (ld);
 
+#ifndef _WIN32
   // Create the directory symlink using an unexistent directory path.
   //
   assert (link_dir (dp / dir_path ("a"), td / dir_path ("dsa"), false, false));
+
+  // Create the directory symlink using a relative path.
+  //
+  assert (link_dir (dn, td / dir_path ("rdslink"), false, true));
 #endif
 
-  rmdir_r (td);
+  try
+  {
+    rmdir_r (td);
+  }
+  catch (const system_error& e)
+  {
+    cerr << "unable to remove " << td << ": " << e << endl;
+    return 1;
+  }
 }