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Diffstat (limited to 'linden/indra/test/llbitpack_tut.cpp')
-rw-r--r-- | linden/indra/test/llbitpack_tut.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/linden/indra/test/llbitpack_tut.cpp b/linden/indra/test/llbitpack_tut.cpp new file mode 100644 index 0000000..1040a96 --- /dev/null +++ b/linden/indra/test/llbitpack_tut.cpp | |||
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1 | /** | ||
2 | * @file llbitpack_tut.cpp | ||
3 | * @author Adroit | ||
4 | * @date February 2007 | ||
5 | * @brief llstreamtools test cases. | ||
6 | * | ||
7 | * Copyright (c) 2007-2007, Linden Research, Inc. | ||
8 | * | ||
9 | * The source code in this file ("Source Code") is provided by Linden Lab | ||
10 | * to you under the terms of the GNU General Public License, version 2.0 | ||
11 | * ("GPL"), unless you have obtained a separate licensing agreement | ||
12 | * ("Other License"), formally executed by you and Linden Lab. Terms of | ||
13 | * the GPL can be found in doc/GPL-license.txt in this distribution, or | ||
14 | * online at http://secondlife.com/developers/opensource/gplv2 | ||
15 | * | ||
16 | * There are special exceptions to the terms and conditions of the GPL as | ||
17 | * it is applied to this Source Code. View the full text of the exception | ||
18 | * in the file doc/FLOSS-exception.txt in this software distribution, or | ||
19 | * online at http://secondlife.com/developers/opensource/flossexception | ||
20 | * | ||
21 | * By copying, modifying or distributing this software, you acknowledge | ||
22 | * that you have read and understood your obligations described above, | ||
23 | * and agree to abide by those obligations. | ||
24 | * | ||
25 | * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO | ||
26 | * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, | ||
27 | * COMPLETENESS OR PERFORMANCE. | ||
28 | */ | ||
29 | |||
30 | #include <tut/tut.h> | ||
31 | #include "linden_common.h" | ||
32 | #include "bitpack.h" | ||
33 | #include "lltut.h" | ||
34 | |||
35 | |||
36 | namespace tut | ||
37 | { | ||
38 | struct bit_pack | ||
39 | { | ||
40 | }; | ||
41 | typedef test_group<bit_pack> bit_pack_t; | ||
42 | typedef bit_pack_t::object bit_pack_object_t; | ||
43 | tut::bit_pack_t tut_bit_pack("bitpack"); | ||
44 | |||
45 | // pack -> unpack | ||
46 | template<> template<> | ||
47 | void bit_pack_object_t::test<1>() | ||
48 | { | ||
49 | U8 packbuffer[255]; | ||
50 | U8 unpackbuffer[255]; | ||
51 | int pack_bufsize = 0; | ||
52 | int unpack_bufsize = 0; | ||
53 | |||
54 | LLBitPack bitpack(packbuffer, 255); | ||
55 | |||
56 | char str[] = "SecondLife is a 3D virtual world"; | ||
57 | int len = sizeof(str); | ||
58 | pack_bufsize = bitpack.bitPack((U8*) str, len*8); | ||
59 | pack_bufsize = bitpack.flushBitPack(); | ||
60 | |||
61 | LLBitPack bitunpack(packbuffer, pack_bufsize*8); | ||
62 | unpack_bufsize = bitunpack.bitUnpack(unpackbuffer, len*8); | ||
63 | ensure("bitPack: unpack size should be same as string size prior to pack", len == unpack_bufsize); | ||
64 | ensure_memory_matches("str->bitPack->bitUnpack should be equal to string", str, len, unpackbuffer, unpack_bufsize); | ||
65 | } | ||
66 | |||
67 | // pack large, unpack in individual bytes | ||
68 | template<> template<> | ||
69 | void bit_pack_object_t::test<2>() | ||
70 | { | ||
71 | U8 packbuffer[255]; | ||
72 | U8 unpackbuffer[255]; | ||
73 | int pack_bufsize = 0; | ||
74 | int unpack_bufsize = 0; | ||
75 | |||
76 | LLBitPack bitpack(packbuffer, 255); | ||
77 | |||
78 | char str[] = "SecondLife"; | ||
79 | int len = sizeof(str); | ||
80 | pack_bufsize = bitpack.bitPack((U8*) str, len*8); | ||
81 | pack_bufsize = bitpack.flushBitPack(); | ||
82 | |||
83 | LLBitPack bitunpack(packbuffer, pack_bufsize*8); | ||
84 | unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8); | ||
85 | ensure("bitPack: individual unpack: 0", unpackbuffer[0] == (U8) str[0]); | ||
86 | unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8); | ||
87 | ensure("bitPack: individual unpack: 1", unpackbuffer[0] == (U8) str[1]); | ||
88 | unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8); | ||
89 | ensure("bitPack: individual unpack: 2", unpackbuffer[0] == (U8) str[2]); | ||
90 | unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8); | ||
91 | ensure("bitPack: individual unpack: 3", unpackbuffer[0] == (U8) str[3]); | ||
92 | unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8); | ||
93 | ensure("bitPack: individual unpack: 4", unpackbuffer[0] == (U8) str[4]); | ||
94 | unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8); | ||
95 | ensure("bitPack: individual unpack: 5", unpackbuffer[0] == (U8) str[5]); | ||
96 | unpack_bufsize = bitunpack.bitUnpack(unpackbuffer, 8*4); // Life | ||
97 | ensure_memory_matches("bitPack: 4 bytes unpack:", unpackbuffer, 4, str+6, 4); | ||
98 | } | ||
99 | |||
100 | // U32 packing | ||
101 | template<> template<> | ||
102 | void bit_pack_object_t::test<3>() | ||
103 | { | ||
104 | U8 packbuffer[255]; | ||
105 | int pack_bufsize = 0; | ||
106 | |||
107 | LLBitPack bitpack(packbuffer, 255); | ||
108 | U32 num = 0x41fab67a; | ||
109 | pack_bufsize = bitpack.bitPack((U8*)&num, 8*sizeof(U32)); | ||
110 | pack_bufsize = bitpack.flushBitPack(); | ||
111 | |||
112 | LLBitPack bitunpack(packbuffer, pack_bufsize*8); | ||
113 | U32 res = 0; | ||
114 | // since packing and unpacking is done on same machine in the unit test run, | ||
115 | // endianness should not matter | ||
116 | bitunpack.bitUnpack((U8*) &res, sizeof(res)*8); | ||
117 | ensure("U32->bitPack->bitUnpack->U32 should be equal", num == res); | ||
118 | } | ||
119 | } | ||