summaryrefslogtreecommitdiff
path: root/indra/llcommon/tests/llrand_test.cpp
blob: e5100e51dc40335ac1b17665dd611ad976a95b19 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/** 
 * @file llrandom_tut.cpp
 * @author Phoenix
 * @date 2007-01-25
 *
 * $LicenseInfo:firstyear=2007&license=viewergpl$
 * 
 * Copyright (c) 2007-2009, 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 "../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));
		}
	}
}