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