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I found myself wanting to run a few specific selftests while developing.
I thought it would be nice to be able to provide multiple test names
when running `maintenant selftests`. The arguments to that command is
currently interpreted as a single filter (not split by spaces), it now
becomes a list a filters, split by spaces. A test is executed when it
matches at least one filter.
Here's an example of the result in GDB:
(gdb) maintenance selftest xml
Running selftest xml_escape_text.
Running selftest xml_escape_text_append.
Ran 2 unit tests, 0 failed
(gdb) maintenance selftest xml unord
Running selftest unordered_remove.
Running selftest xml_escape_text.
Running selftest xml_escape_text_append.
Ran 3 unit tests, 0 failed
(gdb) maintenance selftest xml unord foobar
Running selftest unordered_remove.
Running selftest xml_escape_text.
Running selftest xml_escape_text_append.
Ran 3 unit tests, 0 failed
Since the selftest machinery is also shared with gdbserver, I also
adapted gdbserver. It accepts a `--selftest` switch, which accepts an
optional filter argument. I made it so you can now pass `--selftest`
multiple time to add filters.
It's not so useful right now though: there's only a single selftest
right now in GDB and it's for an architecture I can't compile. So I
tested by adding dummy tests, here's an example of the result:
$ ./gdbserver --selftest=foo
Running selftest foo.
foo
Running selftest foobar.
foobar
Ran 2 unit tests, 0 failed
$ ./gdbserver --selftest=foo --selftest=bar
Running selftest bar.
bar
Running selftest foo.
foo
Running selftest foobar.
foobar
Ran 3 unit tests, 0 failed
gdbsupport/ChangeLog:
* selftest.h (run_tests): Change parameter to array_view.
* selftest.c (run_tests): Change parameter to array_view and use
it.
gdb/ChangeLog:
* maint.c (maintenance_selftest): Split args and pass array_view
to run_tests.
gdbserver/ChangeLog:
* server.cc (captured_main): Accept multiple `--selftest=`
options. Pass all `--selftest=` arguments to run_tests.
Change-Id: I422bd49f08ea8095ae174c5d66a2dd502a59613a
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/* GDB self-testing.
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Copyright (C) 2016-2020 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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#ifndef COMMON_SELFTEST_H
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#define COMMON_SELFTEST_H
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#include "gdbsupport/array-view.h"
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/* A test is just a function that does some checks and throws an
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exception if something has gone wrong. */
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typedef void self_test_function (void);
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namespace selftests
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{
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/* Interface for the various kinds of selftests. */
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struct selftest
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{
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virtual ~selftest () = default;
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virtual void operator() () const = 0;
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};
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/* Register a new self-test. */
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extern void register_test (const std::string &name, selftest *test);
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/* Register a new self-test. */
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extern void register_test (const std::string &name,
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self_test_function *function);
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/* Run all the self tests. This print a message describing the number
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of test and the number of failures.
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If FILTERS is not empty, only run tests with names containing one of the
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element of FILTERS. */
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extern void run_tests (gdb::array_view<const char *const> filters);
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/* Reset GDB or GDBserver's internal state. */
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extern void reset ();
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typedef void for_each_selftest_ftype (const std::string &name);
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/* Call FUNC for each registered selftest. */
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extern void for_each_selftest (for_each_selftest_ftype func);
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}
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/* Check that VALUE is true, and, if not, throw an exception. */
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#define SELF_CHECK(VALUE) \
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do { \
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if (!(VALUE)) \
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error (_("self-test failed at %s:%d"), __FILE__, __LINE__); \
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} while (0)
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#endif /* COMMON_SELFTEST_H */
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