diff options
| author | Vimal Agrawal <vimal.agrawal@sophos.com> | 2024-10-21 13:39:26 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-08 13:18:10 +0100 |
| commit | 37df9043329b8292d53789c19e05faf7f3ae5ae8 (patch) | |
| tree | 4c1eb9471aaf1827070d014c43f185bb5f18a9e9 | |
| parent | 6d04d2b554b14ae6c428a9c60b6c85f1e5c89f68 (diff) | |
misc:minor basic kunit tests
basic kunit tests for misc minor
Signed-off-by: Vimal Agrawal <vimal.agrawal@sophos.com>
Reviewed-by: Dirk VanDerMerwe <dirk.vandermerwe@sophos.com>
Link: https://lore.kernel.org/r/20241021133926.23774-1-vimal.agrawal@sophos.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/misc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/misc/misc_minor_kunit.c | 69 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 11 |
3 files changed, 81 insertions, 0 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 40bf953185c7..545aad06d088 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_SENSORS_BH1770) += bh1770glc.o obj-$(CONFIG_SENSORS_APDS990X) += apds990x.o obj-$(CONFIG_ENCLOSURE_SERVICES) += enclosure.o obj-$(CONFIG_KGDB_TESTS) += kgdbts.o +obj-$(CONFIG_TEST_MISC_MINOR) += misc_minor_kunit.o obj-$(CONFIG_SGI_XP) += sgi-xp/ obj-$(CONFIG_SGI_GRU) += sgi-gru/ obj-$(CONFIG_SMPRO_ERRMON) += smpro-errmon.o diff --git a/drivers/misc/misc_minor_kunit.c b/drivers/misc/misc_minor_kunit.c new file mode 100644 index 000000000000..293e0fb7e43e --- /dev/null +++ b/drivers/misc/misc_minor_kunit.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <kunit/test.h> +#include <kunit/test-bug.h> +#include <linux/module.h> +#include <linux/miscdevice.h> + +/* dynamic minor (2) */ +static struct miscdevice dev_dynamic_minor = { + .minor = 2, + .name = "dev_dynamic_minor", +}; + +/* static minor (LCD_MINOR) */ +static struct miscdevice dev_static_minor = { + .minor = LCD_MINOR, + .name = "dev_static_minor", +}; + +/* misc dynamic minor */ +static struct miscdevice dev_misc_dynamic_minor = { + .minor = MISC_DYNAMIC_MINOR, + .name = "dev_misc_dynamic_minor", +}; + +static void kunit_dynamic_minor(struct kunit *test) +{ + int ret; + + ret = misc_register(&dev_dynamic_minor); + KUNIT_EXPECT_EQ(test, 0, ret); + KUNIT_EXPECT_EQ(test, 2, dev_dynamic_minor.minor); + misc_deregister(&dev_dynamic_minor); +} + +static void kunit_static_minor(struct kunit *test) +{ + int ret; + + ret = misc_register(&dev_static_minor); + KUNIT_EXPECT_EQ(test, 0, ret); + KUNIT_EXPECT_EQ(test, LCD_MINOR, dev_static_minor.minor); + misc_deregister(&dev_static_minor); +} + +static void kunit_misc_dynamic_minor(struct kunit *test) +{ + int ret; + + ret = misc_register(&dev_misc_dynamic_minor); + KUNIT_EXPECT_EQ(test, 0, ret); + misc_deregister(&dev_misc_dynamic_minor); +} + +static struct kunit_case test_cases[] = { + KUNIT_CASE(kunit_dynamic_minor), + KUNIT_CASE(kunit_static_minor), + KUNIT_CASE(kunit_misc_dynamic_minor), + {} +}; + +static struct kunit_suite test_suite = { + .name = "misc_minor_test", + .test_cases = test_cases, +}; +kunit_test_suite(test_suite); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Vimal Agrawal"); +MODULE_DESCRIPTION("misc minor testing"); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f3d723705879..6d00ebb9a399 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2479,6 +2479,17 @@ config TEST_RHASHTABLE config TEST_IDA tristate "Perform selftest on IDA functions" +config TEST_MISC_MINOR + tristate "Basic misc minor Kunit test" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + Kunit test for the misc minor. + It tests misc minor functions for dynamic and misc dynamic minor. + This include misc_xxx functions + + If unsure, say N. + config TEST_PARMAN tristate "Perform selftest on priority array manager" depends on PARMAN |