/** * @file llprocinfo_test.cpp * @brief Tests for the LLProcInfo class. * * $LicenseInfo:firstyear=2013&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2013, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "linden_common.h" #include "../llprocinfo.h" #include "../test/lltut.h" #include "../lltimer.h" static const LLProcInfo::time_type bad_user(289375U), bad_system(275U); namespace tut { struct procinfo_test { procinfo_test() { } }; typedef test_group<procinfo_test> procinfo_group_t; typedef procinfo_group_t::object procinfo_object_t; tut::procinfo_group_t procinfo_instance("LLProcInfo"); // Basic invocation works template<> template<> void procinfo_object_t::test<1>() { LLProcInfo::time_type user(bad_user), system(bad_system); set_test_name("getCPUUsage() basic function"); LLProcInfo::getCPUUsage(user, system); ensure_not_equals("getCPUUsage() writes to its user argument", user, bad_user); ensure_not_equals("getCPUUsage() writes to its system argument", system, bad_system); } // Time increases template<> template<> void procinfo_object_t::test<2>() { LLProcInfo::time_type user(bad_user), system(bad_system); LLProcInfo::time_type user2(bad_user), system2(bad_system); set_test_name("getCPUUsage() increases over time"); LLProcInfo::getCPUUsage(user, system); for (int i(0); i < 100000; ++i) { ms_sleep(0); } LLProcInfo::getCPUUsage(user2, system2); ensure_equals("getCPUUsage() user value doesn't decrease over time", user2 >= user, true); ensure_equals("getCPUUsage() system value doesn't decrease over time", system2 >= system, true); } } // end namespace tut