mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
34 lines
1.6 KiB
C++
34 lines
1.6 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2024, Lucas Chollet <lucas.chollet@serenityos.org>
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <LibTest/TestCase.h>
|
||
|
|
|
||
|
|
#include <AK/Array.h>
|
||
|
|
#include <LibCompress/Lzw.h>
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
ErrorOr<bool> test_roundtrip_string(StringView input)
|
||
|
|
{
|
||
|
|
auto const compressed = TRY(Compress::LzwCompressor::compress_all(input.bytes(), 8));
|
||
|
|
auto const roundtrip = TRY(Compress::LzwDecompressor<LittleEndianInputBitStream>::decompress_all(compressed, 8));
|
||
|
|
return roundtrip == input.bytes();
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_CASE(roundtrip_lzw_little_endian_short)
|
||
|
|
{
|
||
|
|
EXPECT(TRY_OR_FAIL(test_roundtrip_string("WeWellll"sv)));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_CASE(roundtrip_lzw_little_endian_long)
|
||
|
|
{
|
||
|
|
// LZW changes the code size after ~512 new symbols, this test case is long enough to trigger that.
|
||
|
|
constexpr auto input = "WellWellWellWellaqwertyuiop[]sdfghjkl;'zxcvbnm,./uipnaspchu9epqrjepncdp9ruew-r8thvnufsipdonvjcx zvlrz[iu0q-348urfjsd;fjmvxc.nnnmvcxzvmc c,m;l'/,l4532[5i904tmorew;lgkrmopds['kg,l;'s,gWellWellWellWellaqwertyuiop[]sdfghjkl;'zxcvbnm,./uipnaspchu9epqrjepncdp9ruew-r8thvnufsipdonvjcx zvlrz[iu0q-348urfjsd;fjmvxc.nnnmvcxzvmc c,m;l'/,l4532[5i904tmorew;lgkrmopds['kg,l;'s,gWellWellWellWellaqwertyuiop[]sdfghjkl;'zxcvbnm,./uipnaspchu9epqrjepncdp9ruew-r8thvnufsipdonvjcx zvlrz[iu0q-348urfjsd;fjmvxc.nnnmvcxzvmc c,m;l'/,l4532[5i904tmorew;lgkrmopds['kg,l;'s,gWellWellWellWellaqwertyuiop[]sdfghjkl;'zxcvbnm,./uipnaspchu9epqrjepncdp9ruew-r8thvnufsipdonvjcx zvlrz[iu0q-348urfjsd;fjmvxc.nnnmvcxzvmc c,m;l'/,l4532[5i904tmorew;lgkrmopds['kg,l;'s,g"sv;
|
||
|
|
EXPECT(TRY_OR_FAIL(test_roundtrip_string(input)));
|
||
|
|
}
|