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lib: packing: add KUnit tests adapted from selftests

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Add 24 simple KUnit tests for the lib/packing.c pack() and unpack() APIs.

The first 16 tests exercise all combinations of quirks with a simple magic
number value on a 16-byte buffer. The remaining 8 tests cover
non-multiple-of-4 buffer sizes.

These tests were originally written by Vladimir as simple selftest
functions. I adapted them to KUnit, refactoring them into a table driven
approach. This will aid in adding additional tests in the future.

Co-developed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241002-packing-kunit-tests-and-split-pack-unpack-v2-6-8373e551eae3@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jacob Keller
2024-10-02 14:51:55 -07:00
committed by Jakub Kicinski
parent 28aec9ca29
commit e9502ea6db
4 changed files with 272 additions and 0 deletions
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12
lib/Kconfig
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@@ -40,6 +40,18 @@ config PACKING
When in doubt, say N.
config PACKING_KUNIT_TEST
tristate "KUnit tests for packing library" if !KUNIT_ALL_TESTS
depends on PACKING && KUNIT
default KUNIT_ALL_TESTS
help
This builds KUnit tests for the packing library.
For more information on KUnit and unit tests in general,
please refer to the KUnit documentation in Documentation/dev-tools/kunit/.
When in doubt, say N.
config BITREVERSE
tristate