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2023-06-03libio: consolidate add-hoc memory istream_t implementationsDavid Oberhollenzer
In several places, there are ad-hoc istream_t implementations that read from a memory buffer to test something else stacked on top. This commit consolidates those ad-hoc implmentations into a proper one in libio, and uses the chance to remove external files for some older tests that rely on file I/O instead. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-05-14libio: Move skip function into dir_iterator_t base interfaceDavid Oberhollenzer
For regular iterator types, it's a no-op, for the tree iterator, it skips the sub tree. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-05-14libio: merge directory iterator headers, document API and behaviorDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-05-13Move directory iterator from libutil to libioDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-02-21libio: Add an xfrm stream wrapper testDavid Oberhollenzer
This basically re-uses the libxfrm pack/unpack tests, but runs the data through a stream wrapper. When de-compressing, we have a ridiculously tiny input buffer, to force the wrapper to snort up the data in several attempts until the it can decompress something. We read the data byte-by-byte to force the wraper to internally cache the uncompressed data and spoon feed it to us. It has to be completely transparent to us that it internaly decompresses and also reads transparently across concatenated streams. When compressing, we only require that the output is smaller than the input and not equal to it. We also require the wrapper to flush the wrapped stream when it is flushed. We then test if the compressed data can be unpacked again. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-02-11libio: Add a test case for istream-to-ostream spliceDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-02-10libio: Add a test for istream precache/read/skipDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2023-01-31Reintegrate test code with library codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>