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/**
* @file llrandom_tut.cpp
* @author Phoenix
* @date 2007-01-25
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include <tut/tut.h>
#include "linden_common.h"
#include "llrand.h"
#include "lltut.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));
}
}
}
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