mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/* Self tests for scoped_restore for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2017-2021 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 "defs.h"
|
|
#include "gdbsupport/selftest.h"
|
|
#include "gdbsupport/scoped_restore.h"
|
|
|
|
namespace selftests {
|
|
namespace scoped_restore_tests {
|
|
|
|
struct Base {};
|
|
struct Derived : Base {};
|
|
|
|
static int global;
|
|
|
|
/* Check that we can return a scoped_restore from a function. Below
|
|
we'll make sure this does the right thing. */
|
|
static scoped_restore_tmpl<int>
|
|
make_scoped_restore_global (int value)
|
|
{
|
|
return make_scoped_restore (&global, value);
|
|
}
|
|
|
|
static void
|
|
run_tests ()
|
|
{
|
|
/* Test that single-argument make_scoped_restore restores the
|
|
original value on scope exit. */
|
|
{
|
|
int integer = 0;
|
|
{
|
|
scoped_restore restore = make_scoped_restore (&integer);
|
|
SELF_CHECK (integer == 0);
|
|
integer = 1;
|
|
}
|
|
SELF_CHECK (integer == 0);
|
|
}
|
|
|
|
/* Same, with two-argument make_scoped_restore. */
|
|
{
|
|
int integer = 0;
|
|
{
|
|
scoped_restore restore = make_scoped_restore (&integer, 1);
|
|
SELF_CHECK (integer == 1);
|
|
}
|
|
SELF_CHECK (integer == 0);
|
|
}
|
|
|
|
/* Test releasing a scoped_restore. */
|
|
{
|
|
int integer = 0;
|
|
{
|
|
scoped_restore restore = make_scoped_restore (&integer, 1);
|
|
SELF_CHECK (integer == 1);
|
|
restore.release ();
|
|
}
|
|
/* The overridden value should persist. */
|
|
SELF_CHECK (integer == 1);
|
|
}
|
|
|
|
/* Test creating a scoped_restore with a value of a type convertible
|
|
to T. */
|
|
{
|
|
Base *base = nullptr;
|
|
Derived derived;
|
|
{
|
|
scoped_restore restore = make_scoped_restore (&base, &derived);
|
|
|
|
SELF_CHECK (base == &derived);
|
|
}
|
|
SELF_CHECK (base == nullptr);
|
|
}
|
|
|
|
/* Test calling a function that returns a scoped restore. Makes
|
|
sure that if the compiler emits a call to the copy ctor, that we
|
|
still do the right thing. */
|
|
{
|
|
{
|
|
SELF_CHECK (global == 0);
|
|
scoped_restore restore = make_scoped_restore_global (1);
|
|
SELF_CHECK (global == 1);
|
|
}
|
|
SELF_CHECK (global == 0);
|
|
}
|
|
}
|
|
|
|
} /* namespace scoped_restore_tests */
|
|
} /* namespace selftests */
|
|
|
|
void _initialize_scoped_restore_selftests ();
|
|
void
|
|
_initialize_scoped_restore_selftests ()
|
|
{
|
|
selftests::register_test ("scoped_restore",
|
|
selftests::scoped_restore_tests::run_tests);
|
|
}
|