gdb/unittests/path-join-selftests.c

   1 /* Self tests for path_join for GDB, the GNU debugger.
   2
   3    Copyright (C) 2022-2024 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "gdbsupport/pathstuff.h"
  21 #include "gdbsupport/selftest.h"
  22
  23 namespace selftests {
  24 namespace path_join {
  25
  26 template <typename ...Args>
  27 static void
  28 test_one (const char *expected, Args... paths)
  29 {
  30   std::string actual = ::path_join (paths...);
  31
  32   SELF_CHECK (actual == expected);
  33 }
  34
  35 /* Test path_join.  */
  36
  37 static void
  38 test ()
  39 {
  40   test_one ("/foo/bar", "/foo", "bar");
  41   test_one ("/bar", "/", "bar");
  42   test_one ("foo/bar/", "foo", "bar", "");
  43   test_one ("foo", "", "foo");
  44   test_one ("foo/bar", "foo", "", "bar");
  45   test_one ("foo/", "foo", "");
  46   test_one ("foo/", "foo/", "");
  47
  48   test_one ("D:/foo/bar", "D:/foo", "bar");
  49   test_one ("D:/foo/bar", "D:/foo/", "bar");
  50
  51 #if defined(_WIN32)
  52   /* The current implementation doesn't recognize backslashes as directory
  53      separators on Unix-like systems, so only run these tests on Windows.  If
  54      we ever switch our implementation to use std::filesystem::path, they
  55      should work anywhere, in theory.  */
  56   test_one ("D:\\foo/bar", "D:\\foo", "bar");
  57   test_one ("D:\\foo\\bar", "D:\\foo\\", "bar");
  58   test_one ("\\\\server\\dir\\file", "\\\\server\\dir\\", "file");
  59   test_one ("\\\\server\\dir/file", "\\\\server\\dir", "file");
  60 #endif /* _WIN32 */
  61 }
  62
  63 }
  64 }
  65
  66 void _initialize_path_join_selftests ();
  67 void
  68 _initialize_path_join_selftests ()
  69 {
  70   selftests::register_test ("path_join",
  71                             selftests::path_join::test);
  72 }