| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * 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 2 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, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include "test.h" |
| |
| |
| /** |
| * \page page_pjlib_exception_test Test: Exception Handling |
| * |
| * This file provides implementation of \b exception_test(). It tests the |
| * functionality of the exception handling API. |
| * |
| * @note This test use static ID not acquired through proper registration. |
| * This is not recommended, since it may create ID collissions. |
| * |
| * \section exception_test_sec Scope of the Test |
| * |
| * Some scenarios tested: |
| * - no exception situation |
| * - basic TRY/CATCH |
| * - multiple exception handlers |
| * - default handlers |
| * |
| * |
| * This file is <b>pjlib-test/exception.c</b> |
| * |
| * \include pjlib-test/exception.c |
| */ |
| |
| |
| #if INCLUDE_EXCEPTION_TEST |
| |
| #include <pjlib.h> |
| |
| #define ID_1 1 |
| #define ID_2 2 |
| |
| static int throw_id_1(void) |
| { |
| PJ_THROW( ID_1 ); |
| PJ_UNREACHED(return -1;) |
| } |
| |
| static int throw_id_2(void) |
| { |
| PJ_THROW( ID_2 ); |
| PJ_UNREACHED(return -1;) |
| } |
| |
| static int try_catch_test(void) |
| { |
| PJ_USE_EXCEPTION; |
| int rc = -200; |
| |
| PJ_TRY { |
| PJ_THROW(ID_1); |
| } |
| PJ_CATCH_ANY { |
| rc = 0; |
| } |
| PJ_END; |
| return rc; |
| } |
| |
| static int throw_in_handler(void) |
| { |
| PJ_USE_EXCEPTION; |
| int rc = 0; |
| |
| PJ_TRY { |
| PJ_THROW(ID_1); |
| } |
| PJ_CATCH_ANY { |
| if (PJ_GET_EXCEPTION() != ID_1) |
| rc = -300; |
| else |
| PJ_THROW(ID_2); |
| } |
| PJ_END; |
| return rc; |
| } |
| |
| static int return_in_handler(void) |
| { |
| PJ_USE_EXCEPTION; |
| |
| PJ_TRY { |
| PJ_THROW(ID_1); |
| } |
| PJ_CATCH_ANY { |
| return 0; |
| } |
| PJ_END; |
| return -400; |
| } |
| |
| |
| static int test(void) |
| { |
| int rc = 0; |
| PJ_USE_EXCEPTION; |
| |
| /* |
| * No exception situation. |
| */ |
| PJ_TRY { |
| rc = rc; |
| } |
| PJ_CATCH_ANY { |
| rc = -3; |
| } |
| PJ_END; |
| |
| if (rc != 0) |
| return rc; |
| |
| |
| /* |
| * Basic TRY/CATCH |
| */ |
| PJ_TRY { |
| rc = throw_id_1(); |
| |
| // should not reach here. |
| rc = -10; |
| } |
| PJ_CATCH_ANY { |
| int id = PJ_GET_EXCEPTION(); |
| if (id != ID_1) { |
| PJ_LOG(3,("", "...error: got unexpected exception %d (%s)", |
| id, pj_exception_id_name(id))); |
| if (!rc) rc = -20; |
| } |
| } |
| PJ_END; |
| |
| if (rc != 0) |
| return rc; |
| |
| /* |
| * Multiple exceptions handlers |
| */ |
| PJ_TRY { |
| rc = throw_id_2(); |
| // should not reach here. |
| rc = -25; |
| } |
| PJ_CATCH_ANY { |
| switch (PJ_GET_EXCEPTION()) { |
| case ID_1: |
| if (!rc) rc = -30; break; |
| case ID_2: |
| if (!rc) rc = 0; break; |
| default: |
| if (!rc) rc = -40; |
| break; |
| } |
| } |
| PJ_END; |
| |
| if (rc != 0) |
| return rc; |
| |
| /* |
| * Test default handler. |
| */ |
| PJ_TRY { |
| rc = throw_id_1(); |
| // should not reach here |
| rc = -50; |
| } |
| PJ_CATCH_ANY { |
| switch (PJ_GET_EXCEPTION()) { |
| case ID_1: |
| if (!rc) rc = 0; |
| break; |
| default: |
| if (!rc) rc = -60; |
| break; |
| } |
| } |
| PJ_END; |
| |
| if (rc != 0) |
| return rc; |
| |
| /* |
| * Nested handlers |
| */ |
| PJ_TRY { |
| rc = try_catch_test(); |
| } |
| PJ_CATCH_ANY { |
| rc = -70; |
| } |
| PJ_END; |
| |
| if (rc != 0) |
| return rc; |
| |
| /* |
| * Throwing exception inside handler |
| */ |
| rc = -80; |
| PJ_TRY { |
| int rc2; |
| rc2 = throw_in_handler(); |
| if (rc2) |
| rc = rc2; |
| } |
| PJ_CATCH_ANY { |
| if (PJ_GET_EXCEPTION() == ID_2) { |
| rc = 0; |
| } else { |
| rc = -90; |
| } |
| } |
| PJ_END; |
| |
| if (rc != 0) |
| return rc; |
| |
| |
| /* |
| * Return from handler. Returning from the function inside a handler |
| * should be okay (though returning from the function inside the |
| * PJ_TRY block IS NOT OKAY!!). We want to test to see if handler |
| * is cleaned up properly, but not sure how to do this. |
| */ |
| PJ_TRY { |
| int rc2; |
| rc2 = return_in_handler(); |
| if (rc2) |
| rc = rc2; |
| } |
| PJ_CATCH_ANY { |
| rc = -100; |
| } |
| PJ_END; |
| |
| |
| return 0; |
| } |
| |
| int exception_test(void) |
| { |
| int i, rc; |
| enum { LOOP = 10 }; |
| |
| for (i=0; i<LOOP; ++i) { |
| if ((rc=test()) != 0) { |
| PJ_LOG(3,("", "...failed at i=%d (rc=%d)", i, rc)); |
| return rc; |
| } |
| } |
| return 0; |
| } |
| |
| #else |
| /* To prevent warning about "translation unit is empty" |
| * when this test is disabled. |
| */ |
| int dummy_exception_test; |
| #endif /* INCLUDE_EXCEPTION_TEST */ |
| |
| |