lib/test_cpumask: follow KUnit style guidelines

The cpumask test suite doesn't follow the KUnit style guidelines, as
laid out in Documentation/dev-tools/kunit/style.rst.  The file is
renamed to lib/cpumask_kunit.c to clearly distinguish it from other,
non-KUnit, tests.

Link: https://lore.kernel.org/lkml/346cb279-8e75-24b0-7d12-9803f2b41c73@riseup.net/
Suggested-by: Maíra Canal <mairacanal@riseup.net>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Reviewed-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>

1 files changed, 0 insertions, 137 deletions

diff --git a/lib/test_cpumask.c b/lib/test_cpumask.c
deleted file mode 100644
index 4d353614d853..000000000000
--- a/lib/test_cpumask.c
+++ /dev/null
@@ -1,137 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * KUnit tests for cpumask.
- *
- * Author: Sander Vanheule <sander@svanheule.net>
- */
-
-#include <kunit/test.h>
-#include <linux/cpu.h>
-#include <linux/cpumask.h>
-
-#define EXPECT_FOR_EACH_CPU_EQ(test, mask)			\
-	do {							\
-		const cpumask_t *m = (mask);			\
-		int mask_weight = cpumask_weight(m);		\
-		int cpu, iter = 0;				\
-		for_each_cpu(cpu, m)				\
-			iter++;					\
-		KUNIT_EXPECT_EQ((test), mask_weight, iter);	\
-	} while (0)
-
-#define EXPECT_FOR_EACH_CPU_NOT_EQ(test, mask)					\
-	do {									\
-		const cpumask_t *m = (mask);					\
-		int mask_weight = cpumask_weight(m);				\
-		int cpu, iter = 0;						\
-		for_each_cpu_not(cpu, m)					\
-			iter++;							\
-		KUNIT_EXPECT_EQ((test), nr_cpu_ids - mask_weight, iter);	\
-	} while (0)
-
-#define EXPECT_FOR_EACH_CPU_WRAP_EQ(test, mask)			\
-	do {							\
-		const cpumask_t *m = (mask);			\
-		int mask_weight = cpumask_weight(m);		\
-		int cpu, iter = 0;				\
-		for_each_cpu_wrap(cpu, m, nr_cpu_ids / 2)	\
-			iter++;					\
-		KUNIT_EXPECT_EQ((test), mask_weight, iter);	\
-	} while (0)
-
-#define EXPECT_FOR_EACH_CPU_BUILTIN_EQ(test, name)		\
-	do {							\
-		int mask_weight = num_##name##_cpus();		\
-		int cpu, iter = 0;				\
-		for_each_##name##_cpu(cpu)			\
-			iter++;					\
-		KUNIT_EXPECT_EQ((test), mask_weight, iter);	\
-	} while (0)
-
-static cpumask_t mask_empty;
-static cpumask_t mask_all;
-
-static void test_cpumask_weight(struct kunit *test)
-{
-	KUNIT_EXPECT_TRUE(test, cpumask_empty(&mask_empty));
-	KUNIT_EXPECT_TRUE(test, cpumask_full(&mask_all));
-
-	KUNIT_EXPECT_EQ(test, 0, cpumask_weight(&mask_empty));
-	KUNIT_EXPECT_EQ(test, nr_cpu_ids, cpumask_weight(cpu_possible_mask));
-	KUNIT_EXPECT_EQ(test, nr_cpumask_bits, cpumask_weight(&mask_all));
-}
-
-static void test_cpumask_first(struct kunit *test)
-{
-	KUNIT_EXPECT_LE(test, nr_cpu_ids, cpumask_first(&mask_empty));
-	KUNIT_EXPECT_EQ(test, 0, cpumask_first(cpu_possible_mask));
-
-	KUNIT_EXPECT_EQ(test, 0, cpumask_first_zero(&mask_empty));
-	KUNIT_EXPECT_LE(test, nr_cpu_ids, cpumask_first_zero(cpu_possible_mask));
-}
-
-static void test_cpumask_last(struct kunit *test)
-{
-	KUNIT_EXPECT_LE(test, nr_cpumask_bits, cpumask_last(&mask_empty));
-	KUNIT_EXPECT_EQ(test, nr_cpu_ids - 1, cpumask_last(cpu_possible_mask));
-}
-
-static void test_cpumask_next(struct kunit *test)
-{
-	KUNIT_EXPECT_EQ(test, 0, cpumask_next_zero(-1, &mask_empty));
-	KUNIT_EXPECT_LE(test, nr_cpu_ids, cpumask_next_zero(-1, cpu_possible_mask));
-
-	KUNIT_EXPECT_LE(test, nr_cpu_ids, cpumask_next(-1, &mask_empty));
-	KUNIT_EXPECT_EQ(test, 0, cpumask_next(-1, cpu_possible_mask));
-}
-
-static void test_cpumask_iterators(struct kunit *test)
-{
-	EXPECT_FOR_EACH_CPU_EQ(test, &mask_empty);
-	EXPECT_FOR_EACH_CPU_NOT_EQ(test, &mask_empty);
-	EXPECT_FOR_EACH_CPU_WRAP_EQ(test, &mask_empty);
-
-	EXPECT_FOR_EACH_CPU_EQ(test, cpu_possible_mask);
-	EXPECT_FOR_EACH_CPU_NOT_EQ(test, cpu_possible_mask);
-	EXPECT_FOR_EACH_CPU_WRAP_EQ(test, cpu_possible_mask);
-}
-
-static void test_cpumask_iterators_builtin(struct kunit *test)
-{
-	EXPECT_FOR_EACH_CPU_BUILTIN_EQ(test, possible);
-
-	/* Ensure the dynamic masks are stable while running the tests */
-	cpu_hotplug_disable();
-
-	EXPECT_FOR_EACH_CPU_BUILTIN_EQ(test, online);
-	EXPECT_FOR_EACH_CPU_BUILTIN_EQ(test, present);
-
-	cpu_hotplug_enable();
-}
-
-static int test_cpumask_init(struct kunit *test)
-{
-	cpumask_clear(&mask_empty);
-	cpumask_setall(&mask_all);
-
-	return 0;
-}
-
-static struct kunit_case test_cpumask_cases[] = {
-	KUNIT_CASE(test_cpumask_weight),
-	KUNIT_CASE(test_cpumask_first),
-	KUNIT_CASE(test_cpumask_last),
-	KUNIT_CASE(test_cpumask_next),
-	KUNIT_CASE(test_cpumask_iterators),
-	KUNIT_CASE(test_cpumask_iterators_builtin),
-	{}
-};
-
-static struct kunit_suite test_cpumask_suite = {
-	.name = "cpumask",
-	.init = test_cpumask_init,
-	.test_cases = test_cpumask_cases,
-};
-kunit_test_suite(test_cpumask_suite);
-
-MODULE_LICENSE("GPL");