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[committed] libstdc++: Add more tests for filesystem::create_directory [PR101510]

Message ID YPa6iNtRm3DPojfi@redhat.com
State New
Headers show
Series [committed] libstdc++: Add more tests for filesystem::create_directory [PR101510] | expand

Commit Message

Jonathan Wakely July 20, 2021, 11:59 a.m. UTC 
Signed-off-by: Jonathan Wakely <jwakely@redhat.com>

libstdc++-v3/ChangeLog:

	PR libstdc++/101510
	* src/c++17/fs_ops.cc (create_dir): Adjust whitespace.
	* testsuite/27_io/filesystem/operations/create_directory.cc:
	Test creating directory with name of existing symlink to
	directory.
	* testsuite/experimental/filesystem/operations/create_directory.cc:
	Likewise.

Tested x86_64-linux. Committed to trunk.
commit 0c4ae4ff46b1d7633f1e06f57d348b5817b8f640
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Jul 20 12:35:37 2021

    libstdc++: Add more tests for filesystem::create_directory [PR101510]
    
    Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/101510
            * src/c++17/fs_ops.cc (create_dir): Adjust whitespace.
            * testsuite/27_io/filesystem/operations/create_directory.cc:
            Test creating directory with name of existing symlink to
            directory.
            * testsuite/experimental/filesystem/operations/create_directory.cc:
            Likewise.
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Patch

diff --git a/libstdc++-v3/src/c++17/fs_ops.cc b/libstdc++-v3/src/c++17/fs_ops.cc
index 66207ae5e44..cec76446f06 100644
--- a/libstdc++-v3/src/c++17/fs_ops.cc
+++ b/libstdc++-v3/src/c++17/fs_ops.cc
@@ -577,8 +577,7 @@  namespace
   {
     bool created = false;
 #ifdef _GLIBCXX_HAVE_SYS_STAT_H
-    posix::mode_t mode
-      = static_cast<std::underlying_type_t<fs::perms>>(perm);
+    posix::mode_t mode = static_cast<std::underlying_type_t<fs::perms>>(perm);
     if (posix::mkdir(p.c_str(), mode))
       {
 	const int err = errno;
diff --git a/libstdc++-v3/testsuite/27_io/filesystem/operations/create_directory.cc b/libstdc++-v3/testsuite/27_io/filesystem/operations/create_directory.cc
index a0e50471275..256621481d7 100644
--- a/libstdc++-v3/testsuite/27_io/filesystem/operations/create_directory.cc
+++ b/libstdc++-v3/testsuite/27_io/filesystem/operations/create_directory.cc
@@ -54,6 +54,33 @@  test01()
   b = create_directory(p);
   VERIFY( !b );
 
+  auto f = p/"file";
+  std::ofstream{f} << "create file";
+  b = create_directory(f, ec);
+  VERIFY( ec == std::errc::file_exists );
+  VERIFY( !b );
+  try
+  {
+    create_directory(f);
+    VERIFY( false );
+  }
+  catch (const fs::filesystem_error& e)
+  {
+    VERIFY( e.code() == std::errc::file_exists );
+    VERIFY( e.path1() == f );
+  }
+
+  // PR libstdc++/101510 create_directory on an existing symlink to a directory
+  fs::create_directory(p/"dir");
+  auto link = p/"link";
+  fs::create_directory_symlink("dir", link);
+  ec = bad_ec;
+  b = fs::create_directory(link, ec);
+  VERIFY( !b );
+  VERIFY( !ec );
+  b = fs::create_directory(link);
+  VERIFY( !b );
+
   remove_all(p, ec);
 }
 
diff --git a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc
index ee2a74b8803..39f95b61a45 100644
--- a/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc
+++ b/libstdc++-v3/testsuite/experimental/filesystem/operations/create_directory.cc
@@ -46,12 +46,40 @@  test01()
   VERIFY( exists(p) );
 
   // Test existing path (libstdc++/71036).
+  ec = make_error_code(std::errc::invalid_argument);
   b = create_directory(p, ec);
   VERIFY( !ec );
   VERIFY( !b );
   b = create_directory(p);
   VERIFY( !b );
 
+  auto f = p/"file";
+  std::ofstream{f} << "create file";
+  b = create_directory(f, ec);
+  VERIFY( ec == std::errc::file_exists );
+  VERIFY( !b );
+  try
+  {
+    create_directory(f);
+    VERIFY( false );
+  }
+  catch (const fs::filesystem_error& e)
+  {
+    VERIFY( e.code() == std::errc::file_exists );
+    VERIFY( e.path1() == f );
+  }
+
+  // PR libstdc++/101510 create_directory on an existing symlink to a directory
+  fs::create_directory(p/"dir");
+  auto link = p/"link";
+  fs::create_directory_symlink("dir", link);
+  ec = make_error_code(std::errc::invalid_argument);
+  b = fs::create_directory(link, ec);
+  VERIFY( !b );
+  VERIFY( !ec );
+  b = fs::create_directory(link);
+  VERIFY( !b );
+
   remove_all(p, ec);
 }