/** * @file llrandom_test.cpp * @author Phoenix * @date 2007-01-25 * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, 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 "../test/lltut.h" #include "../llrand.h" namespace tut { struct random { }; typedef test_group<random> random_t; typedef random_t::object random_object_t; tut::random_t tut_random("LLSeedRand"); template<> template<> void random_object_t::test<1>() { F32 number = 0.0f; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_frand(); ensure("frand >= 0", (number >= 0.0f)); ensure("frand < 1", (number < 1.0f)); } } template<> template<> void random_object_t::test<2>() { F64 number = 0.0f; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_drand(); ensure("drand >= 0", (number >= 0.0)); ensure("drand < 1", (number < 1.0)); } } template<> template<> void random_object_t::test<3>() { F32 number = 0.0f; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_frand(2.0f) - 1.0f; ensure("frand >= 0", (number >= -1.0f)); ensure("frand < 1", (number <= 1.0f)); } } template<> template<> void random_object_t::test<4>() { F32 number = 0.0f; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_frand(-7.0); ensure("drand <= 0", (number <= 0.0)); ensure("drand > -7", (number > -7.0)); } } template<> template<> void random_object_t::test<5>() { F64 number = 0.0f; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_drand(-2.0); ensure("drand <= 0", (number <= 0.0)); ensure("drand > -2", (number > -2.0)); } } template<> template<> void random_object_t::test<6>() { S32 number = 0; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_rand(100); ensure("rand >= 0", (number >= 0)); ensure("rand < 100", (number < 100)); } } template<> template<> void random_object_t::test<7>() { S32 number = 0; for(S32 ii = 0; ii < 100000; ++ii) { number = ll_rand(-127); ensure("rand <= 0", (number <= 0)); ensure("rand > -127", (number > -127)); } } }