bitpack_test.cpp
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- /**
- * @file bitpack_test.cpp
- * @author Adroit
- * @date 2007-02
- * @brief llstreamtools test cases.
- *
- * $LicenseInfo:firstyear=2007&license=viewergpl$
- *
- * Copyright (c) 2007-2010, 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 "../bitpack.h"
- #include "../test/lltut.h"
- namespace tut
- {
- struct bit_pack
- {
- };
- typedef test_group<bit_pack> bit_pack_t;
- typedef bit_pack_t::object bit_pack_object_t;
- tut::bit_pack_t tut_bit_pack("bitpack");
- // pack -> unpack
- template<> template<>
- void bit_pack_object_t::test<1>()
- {
- U8 packbuffer[255];
- U8 unpackbuffer[255];
- int pack_bufsize = 0;
- int unpack_bufsize = 0;
- LLBitPack bitpack(packbuffer, 255);
- char str[] = "SecondLife is a 3D virtual world";
- int len = sizeof(str);
- pack_bufsize = bitpack.bitPack((U8*) str, len*8);
- pack_bufsize = bitpack.flushBitPack();
- LLBitPack bitunpack(packbuffer, pack_bufsize*8);
- unpack_bufsize = bitunpack.bitUnpack(unpackbuffer, len*8);
- ensure("bitPack: unpack size should be same as string size prior to pack", len == unpack_bufsize);
- ensure_memory_matches("str->bitPack->bitUnpack should be equal to string", str, len, unpackbuffer, unpack_bufsize);
- }
- // pack large, unpack in individual bytes
- template<> template<>
- void bit_pack_object_t::test<2>()
- {
- U8 packbuffer[255];
- U8 unpackbuffer[255];
- int pack_bufsize = 0;
- int unpack_bufsize = 0;
- LLBitPack bitpack(packbuffer, 255);
- char str[] = "SecondLife";
- int len = sizeof(str);
- pack_bufsize = bitpack.bitPack((U8*) str, len*8);
- pack_bufsize = bitpack.flushBitPack();
- LLBitPack bitunpack(packbuffer, pack_bufsize*8);
- unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8);
- ensure("bitPack: individual unpack: 0", unpackbuffer[0] == (U8) str[0]);
- unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8);
- ensure("bitPack: individual unpack: 1", unpackbuffer[0] == (U8) str[1]);
- unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8);
- ensure("bitPack: individual unpack: 2", unpackbuffer[0] == (U8) str[2]);
- unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8);
- ensure("bitPack: individual unpack: 3", unpackbuffer[0] == (U8) str[3]);
- unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8);
- ensure("bitPack: individual unpack: 4", unpackbuffer[0] == (U8) str[4]);
- unpack_bufsize = bitunpack.bitUnpack(&unpackbuffer[0], 8);
- ensure("bitPack: individual unpack: 5", unpackbuffer[0] == (U8) str[5]);
- unpack_bufsize = bitunpack.bitUnpack(unpackbuffer, 8*4); // Life
- ensure_memory_matches("bitPack: 4 bytes unpack:", unpackbuffer, 4, str+6, 4);
- }
- // U32 packing
- template<> template<>
- void bit_pack_object_t::test<3>()
- {
- U8 packbuffer[255];
- int pack_bufsize = 0;
- LLBitPack bitpack(packbuffer, 255);
- U32 num = 0x41fab67a;
- pack_bufsize = bitpack.bitPack((U8*)&num, 8*sizeof(U32));
- pack_bufsize = bitpack.flushBitPack();
- LLBitPack bitunpack(packbuffer, pack_bufsize*8);
- U32 res = 0;
- // since packing and unpacking is done on same machine in the unit test run,
- // endianness should not matter
- bitunpack.bitUnpack((U8*) &res, sizeof(res)*8);
- ensure("U32->bitPack->bitUnpack->U32 should be equal", num == res);
- }
- }