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/**
* @file math.cpp
* @author Phoenix
* @date 2005-09-26
* @brief Tests for the llmath library.
*
* $LicenseInfo:firstyear=2005&license=viewergpl$
*
* Copyright (c) 2005-2008, 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 "linden_common.h"
#include "lltut.h"
#include "llmath.h"
#include "lluuid.h"
#include "llcrc.h"
namespace tut
{
struct math_data
{
};
typedef test_group<math_data> math_test;
typedef math_test::object math_object;
tut::math_test tm("basic_linden_math");
template<> template<>
void math_object::test<1>()
{
S32 val = 89543;
val = llabs(val);
ensure("integer absolute value 1", (89543 == val));
val = -500;
val = llabs(val);
ensure("integer absolute value 2", (500 == val));
}
template<> template<>
void math_object::test<2>()
{
F32 val = -2583.4f;
val = llabs(val);
ensure("float absolute value 1", (2583.4f == val));
val = 430903.f;
val = llabs(val);
ensure("float absolute value 2", (430903.f == val));
}
template<> template<>
void math_object::test<3>()
{
F64 val = 387439393.987329839;
val = llabs(val);
ensure("double absolute value 1", (387439393.987329839 == val));
val = -8937843.9394878;
val = llabs(val);
ensure("double absolute value 2", (8937843.9394878 == val));
}
template<> template<>
void math_object::test<4>()
{
F32 val = 430903.9f;
S32 val1 = lltrunc(val);
ensure("float truncate value 1", (430903 == val1));
val = -2303.9f;
val1 = lltrunc(val);
ensure("float truncate value 2", (-2303 == val1));
}
template<> template<>
void math_object::test<5>()
{
F64 val = 387439393.987329839 ;
S32 val1 = lltrunc(val);
ensure("float truncate value 1", (387439393 == val1));
val = -387439393.987329839;
val1 = lltrunc(val);
ensure("float truncate value 2", (-387439393 == val1));
}
template<> template<>
void math_object::test<6>()
{
F32 val = 430903.2f;
S32 val1 = llfloor(val);
ensure("float llfloor value 1", (430903 == val1));
val = -430903.9f;
val1 = llfloor(val);
ensure("float llfloor value 2", (-430904 == val1));
}
template<> template<>
void math_object::test<7>()
{
F32 val = 430903.2f;
S32 val1 = llceil(val);
ensure("float llceil value 1", (430904 == val1));
val = -430903.9f;
val1 = llceil(val);
ensure("float llceil value 2", (-430903 == val1));
}
template<> template<>
void math_object::test<8>()
{
F32 val = 430903.2f;
S32 val1 = llround(val);
ensure("float llround value 1", (430903 == val1));
val = -430903.9f;
val1 = llround(val);
ensure("float llround value 2", (-430904 == val1));
}
template<> template<>
void math_object::test<9>()
{
F32 val = 430905.2654f, nearest = 100.f;
val = llround(val, nearest);
ensure("float llround value 1", (430900 == val));
val = -430905.2654f, nearest = 10.f;
val = llround(val, nearest);
ensure("float llround value 1", (-430910 == val));
}
template<> template<>
void math_object::test<10>()
{
F64 val = 430905.2654, nearest = 100.0;
val = llround(val, nearest);
ensure("double llround value 1", (430900 == val));
val = -430905.2654, nearest = 10.0;
val = llround(val, nearest);
ensure("double llround value 1", (-430910.00000 == val));
}
template<> template<>
void math_object::test<11>()
{
const F32 F_PI = 3.1415926535897932384626433832795f;
F32 angle = 3506.f;
angle = llsimple_angle(angle);
ensure("llsimple_angle value 1", (angle <=F_PI && angle >= -F_PI));
angle = -431.f;
angle = llsimple_angle(angle);
ensure("llsimple_angle value 1", (angle <=F_PI && angle >= -F_PI));
}
}
namespace tut
{
struct uuid_data
{
LLUUID id;
};
typedef test_group<uuid_data> uuid_test;
typedef uuid_test::object uuid_object;
tut::uuid_test tu("uuid");
template<> template<>
void uuid_object::test<1>()
{
ensure("uuid null", id.isNull());
id.generate();
ensure("generate not null", id.notNull());
id.setNull();
ensure("set null", id.isNull());
}
template<> template<>
void uuid_object::test<2>()
{
id.generate();
LLUUID a(id);
ensure_equals("copy equal", id, a);
a.generate();
ensure_not_equals("generate not equal", id, a);
a = id;
ensure_equals("assignment equal", id, a);
}
template<> template<>
void uuid_object::test<3>()
{
id.generate();
LLUUID copy(id);
LLUUID mask;
mask.generate();
copy ^= mask;
ensure_not_equals("mask not equal", id, copy);
copy ^= mask;
ensure_equals("mask back", id, copy);
}
template<> template<>
void uuid_object::test<4>()
{
id.generate();
std::string id_str = id.asString();
LLUUID copy(id_str.c_str());
ensure_equals("string serialization", id, copy);
}
}
namespace tut
{
struct crc_data
{
};
typedef test_group<crc_data> crc_test;
typedef crc_test::object crc_object;
tut::crc_test tc("crc");
template<> template<>
void crc_object::test<1>()
{
/* Test buffer update and individual char update */
const char TEST_BUFFER[] = "hello &#$)$&Nd0";
LLCRC c1, c2;
c1.update((U8*)TEST_BUFFER, sizeof(TEST_BUFFER) - 1);
char* rh = (char*)TEST_BUFFER;
while(*rh != '\0')
{
c2.update(*rh);
++rh;
}
ensure_equals("crc update 1", c1.getCRC(), c2.getCRC());
}
template<> template<>
void crc_object::test<2>()
{
/* Test mixing of buffer and individual char update */
const char TEST_BUFFER1[] = "Split Buffer one $^%$%#@$";
const char TEST_BUFFER2[] = "Split Buffer two )(8723#5dsds";
LLCRC c1, c2;
c1.update((U8*)TEST_BUFFER1, sizeof(TEST_BUFFER1) - 1);
char* rh = (char*)TEST_BUFFER2;
while(*rh != '\0')
{
c1.update(*rh);
++rh;
}
rh = (char*)TEST_BUFFER1;
while(*rh != '\0')
{
c2.update(*rh);
++rh;
}
c2.update((U8*)TEST_BUFFER2, sizeof(TEST_BUFFER2) - 1);
ensure_equals("crc update 2", c1.getCRC(), c2.getCRC());
}
}
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