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9a0f7f634e
This patch adds a way to delay the registration of tests until the latest possible moment. This is intended for situations where GDB needs to be fully initialized in order to decide if a particular selftest can be executed or not. This mechanism will be used in the next patch. Change-Id: I7f6b061f4c0a6832226c7080ab4e3a2523e1b0b0
132 lines
3.1 KiB
C++
132 lines
3.1 KiB
C++
/* GDB self-testing.
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Copyright (C) 2016-2022 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "common-defs.h"
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#include "common-exceptions.h"
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#include "common-debug.h"
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#include "selftest.h"
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#include <functional>
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namespace selftests
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{
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/* All the tests that have been registered. Using an std::set allows keeping
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the order of tests stable and easily looking up whether a test name
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exists. */
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static selftests_registry tests;
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/* Set of callback functions used to register selftests after GDB is fully
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initialized. */
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static std::vector<selftests_generator> lazy_generators;
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/* See selftest.h. */
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void
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register_test (const std::string &name,
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std::function<void(void)> function)
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{
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/* Check that no test with this name already exist. */
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auto status = tests.emplace (name, std::move (function));
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if (!status.second)
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gdb_assert_not_reached ("Test already registered");
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}
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/* See selftest.h. */
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void
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add_lazy_generator (selftests_generator generator)
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{
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lazy_generators.push_back (std::move (generator));
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}
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/* See selftest.h. */
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static bool run_verbose_ = false;
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/* See selftest.h. */
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bool
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run_verbose ()
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{
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return run_verbose_;
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}
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/* See selftest.h. */
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void
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run_tests (gdb::array_view<const char *const> filters, bool verbose)
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{
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int ran = 0, failed = 0;
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run_verbose_ = verbose;
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for (const auto &test : all_selftests ())
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{
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bool run = false;
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if (filters.empty ())
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run = true;
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else
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{
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for (const char *filter : filters)
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{
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if (test.name.find (filter) != std::string::npos)
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run = true;
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}
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}
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if (!run)
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continue;
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try
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{
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debug_printf (_("Running selftest %s.\n"), test.name.c_str ());
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++ran;
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test.test ();
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}
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catch (const gdb_exception_error &ex)
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{
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++failed;
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debug_printf ("Self test failed: %s\n", ex.what ());
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}
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reset ();
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}
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debug_printf (_("Ran %d unit tests, %d failed\n"),
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ran, failed);
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}
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/* See selftest.h. */
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selftests_range
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all_selftests ()
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{
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/* Execute any function which might still want to register tests. Once each
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function has been executed, clear lazy_generators to ensure that
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callback functions are only executed once. */
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for (const auto &generator : lazy_generators)
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for (selftest &test : generator ())
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register_test (std::move (test.name), std::move (test.test));
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lazy_generators.clear ();
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return selftests_range (tests.cbegin (), tests.cend ());
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}
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} // namespace selftests
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