1 files changed, 62 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/filesystem/path/query/is_absolute.cc b/libstdc++-v3/testsuite/27_io/filesystem/path/query/is_absolute.cc
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index 0000000..6b5c098
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+++ b/libstdc++-v3/testsuite/27_io/filesystem/path/query/is_absolute.cc
@@ -0,0 +1,62 @@
+// { dg-options "-std=gnu++17 -lstdc++fs" }
+// { dg-do run { target c++17 } }
+// { dg-require-filesystem-ts "" }
+
+// 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
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// 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
+// <http://www.gnu.org/licenses/>.
+
+// 30.11.7.4.9 path decomposition [fs.path.decompose]
+
+#include <filesystem>
+#include <testsuite_hooks.h>
+
+using std::filesystem::path;
+
+void
+test01()
+{
+  VERIFY( path("/").is_absolute() );
+  VERIFY( path("/foo").is_absolute() );
+  VERIFY( path("/foo/").is_absolute() );
+  VERIFY( path("/foo/bar").is_absolute() );
+  VERIFY( path("/foo/bar/").is_absolute() );
+  VERIFY( ! path("foo").is_absolute() );
+  VERIFY( ! path("foo/").is_absolute() );
+  VERIFY( ! path("foo/bar").is_absolute() );
+  VERIFY( ! path("foo/bar/").is_absolute() );
+  VERIFY( ! path("c:").is_absolute() );
+  VERIFY( ! path("c:foo").is_absolute() );
+  VERIFY( ! path("c:foo/").is_absolute() );
+  VERIFY( ! path("c:foo/bar").is_absolute() );
+  VERIFY( ! path("c:foo/bar/").is_absolute() );
+#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
+  const bool drive_letter_is_root_name = true;
+#else
+  const bool drive_letter_is_root_name = false;
+#endif
+  VERIFY( path("c:/").is_absolute() == drive_letter_is_root_name );
+  VERIFY( path("c:/foo").is_absolute() == drive_letter_is_root_name );
+  VERIFY( path("c:/foo/").is_absolute() == drive_letter_is_root_name );
+  VERIFY( path("c:/foo/bar").is_absolute() == drive_letter_is_root_name );
+  VERIFY( path("c:/foo/bar/").is_absolute() == drive_letter_is_root_name );
+}
+
+int
+main()
+{
+  test01();
+}