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Tests: Add .lzma test files.
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9 changed files with 50 additions and 13 deletions
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.xz Test Files
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----------------
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.xz and .lzma Test Files
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------------------------
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0. Introduction
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This directory contains bunch of files to test handling of .xz files
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in .xz decoder implementations. Many of the files have been created
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by hand with a hex editor, thus there is no better "source code" than
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the files themselves. All the test files (*.xz) and this README have
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been put into the public domain.
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This directory contains bunch of files to test handling of .xz
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and .lzma files in decoder implementations. Many of the files have
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been created by hand with a hex editor, thus there is no better
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"source code" than the files themselves. All the test files and
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this README have been put into the public domain.
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1. File Types
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Good files (good-*.xz) must decode successfully without requiring
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a lot of CPU time or RAM.
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Good files (good-*.xz, good-*.lzma) must decode successfully
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without requiring a lot of CPU time or RAM.
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Unsupported files (unsupported-*.xz) are good files, but headers
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indicate features not supported by the current file format
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specification.
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Bad files (bad-*.xz) must cause the decoder to give an error. Like
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with the good files, these files must not require a lot of CPU time
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or RAM before they get detected to be broken.
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Bad files (bad-*.xz, bad-*.lzma) must cause the decoder to give
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an error. Like with the good files, these files must not require
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a lot of CPU time or RAM before they get detected to be broken.
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2. Descriptions of Individual Files
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2. Descriptions of Individual .xz Files
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2.1. Good Files
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Uncompressed Size bytes of output will have been produced but
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the LZMA2 decoder doesn't indicate end of stream.
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3. Descriptions of Individual .lzma Files
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3.1. Good Files
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good-unknown_size-with_eopm.lzma has unknown size in the header
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and end of payload marker at the end.
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good-known_size-without_eopm.lzma has a known size in the header
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and no end of payload marker at the end.
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good-known_size-with_eopm.lzma has a known size in the header
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and end of payload marker at the end. XZ Utils 5.2.5 and older
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will give an error at the end of the file after producing the
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correct uncompressed output.
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3.2. Bad Files
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bad-unknown_size-without_eopm.lzma has unknown size in the header
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but no end of payload marker at the end. This file might be seen
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by a decoder as if it were truncated.
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bad-too_big_size-with_eopm.lzma has too big uncompressed size in
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the header and the end of payload marker will be detected before
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the specified number of bytes have been decoded.
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bad-too_small_size-without_eopm-1.lzma has too small uncompressed
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size in the header. The decoder will look for end of payload marker
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but instead find a literal that would produce more output.
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bad-too_small_size-without_eopm-2.lzma is like -1 above but instead
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of a literal the problem occurs with a short repeated match.
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bad-too_small_size-without_eopm-3.lzma is like -1 above but instead
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of a literal the problem occurs in the middle of a match.
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BIN
tests/files/bad-too_big_size-with_eopm.lzma
Normal file
BIN
tests/files/bad-too_big_size-with_eopm.lzma
Normal file
Binary file not shown.
BIN
tests/files/bad-too_small_size-without_eopm-1.lzma
Normal file
BIN
tests/files/bad-too_small_size-without_eopm-1.lzma
Normal file
Binary file not shown.
BIN
tests/files/bad-too_small_size-without_eopm-2.lzma
Normal file
BIN
tests/files/bad-too_small_size-without_eopm-2.lzma
Normal file
Binary file not shown.
BIN
tests/files/bad-too_small_size-without_eopm-3.lzma
Normal file
BIN
tests/files/bad-too_small_size-without_eopm-3.lzma
Normal file
Binary file not shown.
BIN
tests/files/bad-unknown_size-without_eopm.lzma
Normal file
BIN
tests/files/bad-unknown_size-without_eopm.lzma
Normal file
Binary file not shown.
BIN
tests/files/good-known_size-with_eopm.lzma
Normal file
BIN
tests/files/good-known_size-with_eopm.lzma
Normal file
Binary file not shown.
BIN
tests/files/good-known_size-without_eopm.lzma
Normal file
BIN
tests/files/good-known_size-without_eopm.lzma
Normal file
Binary file not shown.
BIN
tests/files/good-unknown_size-with_eopm.lzma
Normal file
BIN
tests/files/good-unknown_size-with_eopm.lzma
Normal file
Binary file not shown.
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