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lib/tests: convert test_min_heap module to KUnit

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Move lib/test_min_heap.c to lib/tests/min_heap_kunit.c and convert it to
use KUnit.

This change switches the ad-hoc test code to standard KUnit test cases. 
The test data remains the same, but the verification logic is updated to
use KUNIT_EXPECT_* macros.

Also remove CONFIG_TEST_MIN_HEAP from arch/*/configs/* because it is no
longer used.  The new CONFIG_MIN_HEAP_KUNIT_TEST will be automatically
enabled by CONFIG_KUNIT_ALL_TESTS.

The reasons for converting to KUnit are:

1. Standardization:
    Switching from ad-hoc printk-based reporting to the standard
    KTAP format makes it easier for CI systems to parse and report test
    results

2. Better Diagnostics:
    Using KUNIT_EXPECT_* macros automatically provides detailed
    diagnostics on failure.

3. Tooling Integration:
    It allows the test to be managed and executed using standard
    KUnit tools.

Link: https://lkml.kernel.org/r/20251221133516.321846-1-sakamo.ryota@gmail.com
Signed-off-by: Ryota Sakamoto <sakamo.ryota@gmail.com>
Acked-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: David Gow <davidgow@google.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ryota Sakamoto 2025-12-21 13:35:16 +00:00 • committed by Andrew Morton
parent 0e7fd23f92
commit d30aca3eef
19 changed files with 80 additions and 105 deletions
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21
lib/Kconfig.debug
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@ -2278,16 +2278,6 @@ config TEST_LIST_SORT
If unsure, say N.
config TEST_MIN_HEAP
tristate "Min heap test"
depends on DEBUG_KERNEL || m
help
Enable this to turn on min heap function tests. This test is
executed only once during system boot (so affects only boot time),
or at module load time.
If unsure, say N.
config TEST_SORT
tristate "Array-based sort test" if !KUNIT_ALL_TESTS
depends on KUNIT
@ -2878,6 +2868,17 @@ config MEMCPY_KUNIT_TEST
If unsure, say N.
config MIN_HEAP_KUNIT_TEST
tristate "Min heap test" if !KUNIT_ALL_TESTS
depends on KUNIT
default KUNIT_ALL_TESTS
help
This option enables the KUnit test suite for the min heap library
which provides functions for creating and managing min heaps.
The test suite checks the functionality of the min heap library.
If unsure, say N
config IS_SIGNED_TYPE_KUNIT_TEST
tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS
depends on KUNIT