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https://github.com/SerenityOS/serenity
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23a9d62f39
Because that's what it is, even if it mainly relies on `DeflateDecompressor` to do the heavy lifting.
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
/*
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* Copyright (c) 2020-2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <AK/Array.h>
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#include <LibCompress/Zlib.h>
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TEST_CASE(zlib_decompress_simple)
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{
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Array<u8, 40> const compressed {
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0x78, 0x01, 0x01, 0x1D, 0x00, 0xE2, 0xFF, 0x54, 0x68, 0x69, 0x73, 0x20,
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0x69, 0x73, 0x20, 0x61, 0x20, 0x73, 0x69, 0x6D, 0x70, 0x6C, 0x65, 0x20,
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0x74, 0x65, 0x78, 0x74, 0x20, 0x66, 0x69, 0x6C, 0x65, 0x20, 0x3A, 0x29,
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0x99, 0x5E, 0x09, 0xE8
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};
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const u8 uncompressed[] = "This is a simple text file :)";
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auto const decompressed = Compress::ZlibDecompressor::decompress_all(compressed);
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EXPECT(decompressed.value().bytes() == (ReadonlyBytes { uncompressed, sizeof(uncompressed) - 1 }));
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}
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TEST_CASE(zlib_compress_simple)
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{
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// Note: This is just the output of our compression function from an arbitrary point in time.
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// This test is intended to ensure that the decompression doesn't change unintentionally,
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// it does not make any guarantees for correctness.
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Array<u8, 37> const compressed {
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0x78, 0x9C, 0x0B, 0xC9, 0xC8, 0x2C, 0x56, 0xC8, 0x2C, 0x56, 0x48, 0x54,
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0x28, 0xCE, 0xCC, 0x2D, 0xC8, 0x49, 0x55, 0x28, 0x49, 0xAD, 0x28, 0x51,
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0x48, 0xCB, 0xCC, 0x49, 0x55, 0xB0, 0xD2, 0x04, 0x00, 0x99, 0x5E, 0x09,
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0xE8
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};
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const u8 uncompressed[] = "This is a simple text file :)";
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auto const freshly_pressed = Compress::ZlibCompressor::compress_all({ uncompressed, sizeof(uncompressed) - 1 });
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EXPECT(freshly_pressed.value().bytes() == compressed.span());
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}
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