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LibCompress: Port DeflateDecompressor to Core::Stream

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This commit is contained in:
Tim Schumacher 2022-12-02 22:01:44 +01:00 • committed by Linus Groh
parent f909cfbe75
commit 30abd47099
8 changed files with 129 additions and 196 deletions
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20
Tests/LibCompress/TestDeflate.cpp
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@ -10,6 +10,8 @@
#include <AK/MemoryStream.h>
#include <AK/Random.h>
#include <LibCompress/Deflate.h>
#include <LibCore/InputBitStream.h>
#include <LibCore/MemoryStream.h>
#include <cstring>
TEST_CASE(canonical_code_simple)
@ -27,11 +29,11 @@ TEST_CASE(canonical_code_simple)
};
auto const huffman = Compress::CanonicalCode::from_bytes(code).value();
auto memory_stream = InputMemoryStream { input };
auto bit_stream = InputBitStream { memory_stream };
auto memory_stream = MUST(Core::Stream::MemoryStream::construct(input));
auto bit_stream = MUST(Core::Stream::LittleEndianInputBitStream::construct(move(memory_stream)));
for (size_t idx = 0; idx < 9; ++idx)
EXPECT_EQ(huffman.read_symbol(bit_stream), output[idx]);
EXPECT_EQ(MUST(huffman.read_symbol(*bit_stream)), output[idx]);
}
TEST_CASE(canonical_code_complex)
@ -47,11 +49,11 @@ TEST_CASE(canonical_code_complex)
};
auto const huffman = Compress::CanonicalCode::from_bytes(code).value();
auto memory_stream = InputMemoryStream { input };
auto bit_stream = InputBitStream { memory_stream };
auto memory_stream = MUST(Core::Stream::MemoryStream::construct(input));
auto bit_stream = MUST(Core::Stream::LittleEndianInputBitStream::construct(move(memory_stream)));
for (size_t idx = 0; idx < 12; ++idx)
EXPECT_EQ(huffman.read_symbol(bit_stream), output[idx]);
EXPECT_EQ(MUST(huffman.read_symbol(*bit_stream)), output[idx]);
}
TEST_CASE(deflate_decompress_compressed_block)
@ -118,7 +120,7 @@ TEST_CASE(deflate_round_trip_store)
auto compressed = Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::STORE);
EXPECT(compressed.has_value());
auto uncompressed = Compress::DeflateDecompressor::decompress_all(compressed.value());
EXPECT(uncompressed.has_value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
}
@ -130,7 +132,7 @@ TEST_CASE(deflate_round_trip_compress)
auto compressed = Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::FAST);
EXPECT(compressed.has_value());
auto uncompressed = Compress::DeflateDecompressor::decompress_all(compressed.value());
EXPECT(uncompressed.has_value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
}
@ -143,7 +145,7 @@ TEST_CASE(deflate_round_trip_compress_large)
auto compressed = Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::FAST);
EXPECT(compressed.has_value());
auto uncompressed = Compress::DeflateDecompressor::decompress_all(compressed.value());
EXPECT(uncompressed.has_value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
}