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/* Self tests for gdb_tilde_expand
Copyright (C) 2021-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program 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 program. If not, see <http://www.gnu.org/licenses/>. */
#include "gdbsupport/common-defs.h"
#include "gdbsupport/selftest.h"
#include <cstdlib>
#include "gdbsupport/gdb_tilde_expand.h"
namespace selftests
{
namespace gdb_tilde_expand_tests
{
static void
do_test ()
{
/* Home directory of the user running the test. */
const char *c_home = std::getenv ("HOME");
/* Skip the test if $HOME is not available in the environment. */
if (c_home == nullptr)
return;
const std::string home (c_home);
/* Basic situation. */
SELF_CHECK (home == gdb_tilde_expand ("~"));
/* When given a path that begins by a tilde and refers to a file that
does not exist, gdb_tilde expand must still be able to do the tilde
expansion. */
SELF_CHECK (gdb_tilde_expand ("~/non/existent/directory")
== home + "/non/existent/directory");
/* gdb_tilde_expand only expands tilde and does not try to do any other
substitution. */
SELF_CHECK (gdb_tilde_expand ("~/*/a.out") == home + "/*/a.out");
/* gdb_tilde_expand does no modification to a non tilde leading path. */
SELF_CHECK (gdb_tilde_expand ("/some/abs/path") == "/some/abs/path");
SELF_CHECK (gdb_tilde_expand ("relative/path") == "relative/path");
/* If $USER is available in the env variables, check the '~user'
expansion. */
const char *c_user = std::getenv ("USER");
if (c_user != nullptr)
{
const std::string user (c_user);
SELF_CHECK (gdb_tilde_expand (("~" + user).c_str ()) == home);
SELF_CHECK (gdb_tilde_expand (("~" + user + "/a/b").c_str ())
== home + "/a/b");
}
/* Check that an error is thrown when trying to expand home of a unknown
user. */
try
{
gdb_tilde_expand ("~no_one_should_have_that_login/a");
SELF_CHECK (false);
}
catch (const gdb_exception_error &e)
{
SELF_CHECK (e.error == GENERIC_ERROR);
SELF_CHECK (
*e.message
== "Could not find a match for '~no_one_should_have_that_login'.");
}
}
} /* namespace gdb_tilde_expand_tests */
} /* namespace selftests */
void _initialize_gdb_tilde_expand_selftests ();
void
_initialize_gdb_tilde_expand_selftests ()
{
selftests::register_test ("gdb_tilde_expand",
selftests::gdb_tilde_expand_tests::do_test);
}
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