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LibCompress: Port ZlibDecompressor to AK::Stream

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This commit is contained in:
Tim Schumacher 2023-06-08 19:35:44 +02:00 • committed by Sam Atkins
parent 90780d9ade
commit 8a853278d0
7 changed files with 96 additions and 68 deletions
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16
Tests/LibCompress/TestZlib.cpp
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@ -7,6 +7,7 @@
#include <LibTest/TestCase.h>
#include <AK/Array.h>
#include <AK/MemoryStream.h>
#include <LibCompress/Zlib.h>
TEST_CASE(zlib_decompress_simple)
@ -20,8 +21,10 @@ TEST_CASE(zlib_decompress_simple)
const u8 uncompressed[] = "This is a simple text file :)";
auto const decompressed = Compress::ZlibDecompressor::decompress_all(compressed);
EXPECT(decompressed.value().bytes() == (ReadonlyBytes { uncompressed, sizeof(uncompressed) - 1 }));
auto stream = make<FixedMemoryStream>(compressed);
auto decompressor = TRY_OR_FAIL(Compress::ZlibDecompressor::create(move(stream)));
auto decompressed = TRY_OR_FAIL(decompressor->read_until_eof());
EXPECT(decompressed.bytes() == (ReadonlyBytes { uncompressed, sizeof(uncompressed) - 1 }));
}
TEST_CASE(zlib_compress_simple)
@ -58,7 +61,7 @@ TEST_CASE(zlib_decompress_with_missing_end_bits)
0x17, 0x17, 0x08, 0x43, 0xC5, 0xC9, 0x05, 0xA8, 0x4B, 0x50, 0x50, 0x50,
0xC4, 0xD1, 0x45, 0x50, 0x80, 0x01, 0x06, 0x00, 0xB6, 0x1F, 0x15, 0xEF
};
Array<u8, 144> const decompressed {
Array<u8, 144> const uncompressed {
0x00, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x10, 0x00, 0x32, 0x22,
0x22, 0x22, 0x22, 0x22, 0x22, 0x10, 0x00, 0x32, 0x55, 0x22, 0x25, 0x52,
0x22, 0x22, 0x10, 0x00, 0x32, 0x55, 0x22, 0x25, 0x52, 0x22, 0x22, 0x10,
@ -73,7 +76,8 @@ TEST_CASE(zlib_decompress_with_missing_end_bits)
0x44, 0x11, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
auto const maybe_decompressed = Compress::ZlibDecompressor::decompress_all(compressed);
EXPECT(maybe_decompressed.has_value());
EXPECT_EQ(maybe_decompressed.value().span(), decompressed.span());
auto stream = make<FixedMemoryStream>(compressed);
auto decompressor = TRY_OR_FAIL(Compress::ZlibDecompressor::create(move(stream)));
auto decompressed = TRY_OR_FAIL(decompressor->read_until_eof());
EXPECT_EQ(decompressed.span(), uncompressed.span());
}