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/* GDB self-testing.
Copyright (C) 2016-2023 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 "common-defs.h"
#include "common-exceptions.h"
#include "common-debug.h"
#include "selftest.h"
#include <functional>
namespace selftests
{
/* All the tests that have been registered. Using an std::set allows keeping
the order of tests stable and easily looking up whether a test name
exists. */
static selftests_registry tests;
/* Set of callback functions used to register selftests after GDB is fully
initialized. */
static std::vector<selftests_generator> lazy_generators;
/* See selftest.h. */
void
register_test (const std::string &name, std::function<void (void)> function)
{
/* Check that no test with this name already exist. */
auto status = tests.emplace (name, std::move (function));
if (!status.second)
gdb_assert_not_reached ("Test already registered");
}
/* See selftest.h. */
void
add_lazy_generator (selftests_generator generator)
{
lazy_generators.push_back (std::move (generator));
}
/* See selftest.h. */
static bool run_verbose_ = false;
/* See selftest.h. */
bool
run_verbose ()
{
return run_verbose_;
}
/* See selftest.h. */
void
run_tests (gdb::array_view<const char *const> filters, bool verbose)
{
int ran = 0, failed = 0;
run_verbose_ = verbose;
for (const auto &test : all_selftests ())
{
bool run = false;
if (filters.empty ())
run = true;
else
{
for (const char *filter : filters)
{
if (test.name.find (filter) != std::string::npos)
run = true;
}
}
if (!run)
continue;
try
{
debug_printf (_ ("Running selftest %s.\n"), test.name.c_str ());
++ran;
test.test ();
}
catch (const gdb_exception_error &ex)
{
++failed;
debug_printf ("Self test failed: %s\n", ex.what ());
}
reset ();
}
debug_printf (_ ("Ran %d unit tests, %d failed\n"), ran, failed);
}
/* See selftest.h. */
selftests_range
all_selftests ()
{
/* Execute any function which might still want to register tests. Once each
function has been executed, clear lazy_generators to ensure that
callback functions are only executed once. */
for (const auto &generator : lazy_generators)
for (selftest &test : generator ())
register_test (std::move (test.name), std::move (test.test));
lazy_generators.clear ();
return selftests_range (tests.cbegin (), tests.cend ());
}
} // namespace selftests
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