| 1 | /* GDB self-testing. |
| 2 | Copyright (C) 2016-2020 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include "common-defs.h" |
| 20 | #include "common-exceptions.h" |
| 21 | #include "common-debug.h" |
| 22 | #include "selftest.h" |
| 23 | #include <map> |
| 24 | |
| 25 | namespace selftests |
| 26 | { |
| 27 | /* All the tests that have been registered. Using an std::map allows keeping |
| 28 | the order of tests stable and easily looking up whether a test name |
| 29 | exists. */ |
| 30 | |
| 31 | static std::map<std::string, std::unique_ptr<selftest>> tests; |
| 32 | |
| 33 | /* A selftest that calls the test function without arguments. */ |
| 34 | |
| 35 | struct simple_selftest : public selftest |
| 36 | { |
| 37 | simple_selftest (self_test_function *function_) |
| 38 | : function (function_) |
| 39 | {} |
| 40 | |
| 41 | void operator() () const override |
| 42 | { |
| 43 | function (); |
| 44 | } |
| 45 | |
| 46 | self_test_function *function; |
| 47 | }; |
| 48 | |
| 49 | /* See selftest.h. */ |
| 50 | |
| 51 | void |
| 52 | register_test (const std::string &name, selftest *test) |
| 53 | { |
| 54 | /* Check that no test with this name already exist. */ |
| 55 | gdb_assert (tests.find (name) == tests.end ()); |
| 56 | |
| 57 | tests[name] = std::unique_ptr<selftest> (test); |
| 58 | } |
| 59 | |
| 60 | /* See selftest.h. */ |
| 61 | |
| 62 | void |
| 63 | register_test (const std::string &name, self_test_function *function) |
| 64 | { |
| 65 | register_test (name, new simple_selftest (function)); |
| 66 | } |
| 67 | |
| 68 | /* See selftest.h. */ |
| 69 | |
| 70 | void |
| 71 | run_tests (const char *filter) |
| 72 | { |
| 73 | int ran = 0, failed = 0; |
| 74 | |
| 75 | for (const auto &pair : tests) |
| 76 | { |
| 77 | const std::string &name = pair.first; |
| 78 | const std::unique_ptr<selftest> &test = pair.second; |
| 79 | |
| 80 | if (filter != NULL && *filter != '\0' |
| 81 | && name.find (filter) == std::string::npos) |
| 82 | continue; |
| 83 | |
| 84 | try |
| 85 | { |
| 86 | debug_printf (_("Running selftest %s.\n"), name.c_str ()); |
| 87 | ++ran; |
| 88 | (*test) (); |
| 89 | } |
| 90 | catch (const gdb_exception_error &ex) |
| 91 | { |
| 92 | ++failed; |
| 93 | debug_printf ("Self test failed: %s\n", ex.what ()); |
| 94 | } |
| 95 | |
| 96 | reset (); |
| 97 | } |
| 98 | |
| 99 | debug_printf (_("Ran %d unit tests, %d failed\n"), |
| 100 | ran, failed); |
| 101 | } |
| 102 | |
| 103 | /* See selftest.h. */ |
| 104 | |
| 105 | void for_each_selftest (for_each_selftest_ftype func) |
| 106 | { |
| 107 | for (const auto &pair : tests) |
| 108 | func (pair.first); |
| 109 | } |
| 110 | |
| 111 | } // namespace selftests |