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llrand_test.cpp 2.85 KiB
/**
* @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("random");
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));
}
}
}