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path-join-selftests.c revision 1.1 
      1 /* Self tests for path_join for GDB, the GNU debugger.
      2 
      3    Copyright (C) 2022-2023 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 "defs.h"
     21 #include "gdbsupport/pathstuff.h"
     22 #include "gdbsupport/selftest.h"
     23 
     24 namespace selftests {
     25 namespace path_join {
     26 
     27 template <typename ...Args>
     28 static void
     29 test_one (const char *expected, Args... paths)
     30 {
     31   std::string actual = ::path_join (paths...);
     32 
     33   SELF_CHECK (actual == expected);
     34 }
     35 
     36 /* Test path_join.  */
     37 
     38 static void
     39 test ()
     40 {
     41   test_one ("/foo/bar", "/foo", "bar");
     42   test_one ("/bar", "/", "bar");
     43   test_one ("foo/bar/", "foo", "bar", "");
     44   test_one ("foo", "", "foo");
     45   test_one ("foo/bar", "foo", "", "bar");
     46   test_one ("foo/", "foo", "");
     47   test_one ("foo/", "foo/", "");
     48 
     49   test_one ("D:/foo/bar", "D:/foo", "bar");
     50   test_one ("D:/foo/bar", "D:/foo/", "bar");
     51 
     52 #if defined(_WIN32)
     53   /* The current implementation doesn't recognize backslashes as directory
     54      separators on Unix-like systems, so only run these tests on Windows.  If
     55      we ever switch our implementation to use std::filesystem::path, they
     56      should work anywhere, in theory.  */
     57   test_one ("D:\\foo/bar", "D:\\foo", "bar");
     58   test_one ("D:\\foo\\bar", "D:\\foo\\", "bar");
     59   test_one ("\\\\server\\dir\\file", "\\\\server\\dir\\", "file");
     60   test_one ("\\\\server\\dir/file", "\\\\server\\dir", "file");
     61 #endif /* _WIN32 */
     62 }
     63 
     64 }
     65 }
     66 
     67 void _initialize_path_join_selftests ();
     68 void
     69 _initialize_path_join_selftests ()
     70 {
     71   selftests::register_test ("path_join",
     72 			    selftests::path_join::test);
     73 }
     74