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Re: [PATCH] LWG 3171: restore stream insertion for filesystem::directory_entry

On 20/12/18 04:08 -0500, Tim Song wrote:
On Tue, Dec 18, 2018 at 10:57 AM Jonathan Wakely <> wrote:

        * include/bits/fs_dir.h (operator<<): Overload for directory_entry,
        as per LWG 3171.
        * testsuite/27_io/filesystem/directory_entry/ New test.

Tested x86_64-linux, committed to trunk.

The test seems to be missing from the patch.

Thanks, I forgot to 'git add' it. Fixed by this, committed to trunk.

commit 7274fd7de0a1ea4c8ab12cec8a6a5ae38bcbdea1
Author: Jonathan Wakely <>
Date:   Thu Dec 20 12:13:17 2018 +0000

    Add missing test from previous commit
            * testsuite/27_io/filesystem/directory_entry/ New test
            (missed from previous commit).

diff --git a/libstdc++-v3/testsuite/27_io/filesystem/directory_entry/ b/libstdc++-v3/testsuite/27_io/filesystem/directory_entry/
new file mode 100644
index 00000000000..d9adffbac4d
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/filesystem/directory_entry/
@@ -0,0 +1,40 @@
+// Copyright (C) 2018 Free Software Foundation, Inc.
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <>.
+// { dg-options "-std=gnu++17 -lstdc++fs" }
+// { dg-do run { target c++17 } }
+// { dg-require-filesystem-ts "" }
+#include <filesystem>
+#include <sstream>
+#include <testsuite_hooks.h>
+  std::filesystem::directory_entry ent("foo/bar");
+  std::ostringstream os1, os2;
+  os1 << ent;
+  os2 << ent.path();
+  VERIFY( os1.str() == os2.str() );
+  test01();

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