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Diffstat (limited to 'indra/llcommon/tests/bitpack_test.cpp')
| -rw-r--r-- | indra/llcommon/tests/bitpack_test.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/indra/llcommon/tests/bitpack_test.cpp b/indra/llcommon/tests/bitpack_test.cpp new file mode 100644 index 0000000000..05289881d0 --- /dev/null +++ b/indra/llcommon/tests/bitpack_test.cpp @@ -0,0 +1,119 @@ +/** + * @file bitpack_test.cpp + * @author Adroit + * @date 2007-02 + * @brief llstreamtools test cases. + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#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("LLBitPack"); + + // 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); + } +} |