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		d748edd994
		
	
	
	
	
		
			
			This compression scheme was quite popular during the 80's, and we can still find it in use inside file formats such as TIFF or PDF.
		
			
				
	
	
		
			25 lines
		
	
	
	
		
			694 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
	
		
			694 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Lucas Chollet <lucas.chollet@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibTest/TestCase.h>
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| 
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| #include <AK/Array.h>
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| #include <LibCompress/PackBitsDecoder.h>
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| 
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| TEST_CASE(pack_bits)
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| {
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|     Array<u8, 15> const compressed {
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|         0xFE, 0xAA, 0x02, 0x80, 0x00, 0x2A, 0xFD, 0xAA, 0x03, 0x80, 0x00, 0x2A, 0x22, 0xF7, 0xAA
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|     };
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| 
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|     Array<u8, 24> const raw {
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|         0xAA, 0xAA, 0xAA, 0x80, 0x00, 0x2A, 0xAA, 0xAA, 0xAA, 0xAA, 0x80, 0x00,
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|         0x2A, 0x22, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA
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|     };
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| 
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|     auto unpacked = TRY_OR_FAIL(Compress::PackBits::decode_all(compressed));
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|     EXPECT_EQ(unpacked.bytes(), raw);
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| }
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