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lib/test_cpumask: Add for_each_cpu_and(not) tests 

Following the recent introduction of for_each_andnot(), add some tests to
ensure for_each_cpu_and(not) results in the same as iterating over the
result of cpumask_and(not)().

Suggested-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Valentin Schneider <vschneid@redhat.com>
This commit is contained in:
Valentin Schneider 2022-10-03 16:34:19 +01:00 committed by Yury Norov
parent 5f75ff295c
commit 49937cd123
1 changed files with 19 additions and 0 deletions
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19
lib/cpumask_kunit.c
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@ -33,6 +33,19 @@
KUNIT_EXPECT_EQ_MSG((test), nr_cpu_ids - mask_weight, iter, MASK_MSG(mask)); \
} while (0)
#define EXPECT_FOR_EACH_CPU_OP_EQ(test, op, mask1, mask2) \
do { \
const cpumask_t *m1 = (mask1); \
const cpumask_t *m2 = (mask2); \
int weight; \
int cpu, iter = 0; \
cpumask_##op(&mask_tmp, m1, m2); \
weight = cpumask_weight(&mask_tmp); \
for_each_cpu_##op(cpu, mask1, mask2) \
iter++; \
KUNIT_EXPECT_EQ((test), weight, iter); \
} while (0)
#define EXPECT_FOR_EACH_CPU_WRAP_EQ(test, mask) \
do { \
const cpumask_t *m = (mask); \
@ -54,6 +67,7 @@
static cpumask_t mask_empty;
static cpumask_t mask_all;
static cpumask_t mask_tmp;
static void test_cpumask_weight(struct kunit *test)
{
@ -101,10 +115,15 @@ 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_OP_EQ(test, and, &mask_empty, &mask_empty);
EXPECT_FOR_EACH_CPU_OP_EQ(test, and, cpu_possible_mask, &mask_empty);
EXPECT_FOR_EACH_CPU_OP_EQ(test, andnot, &mask_empty, &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);
EXPECT_FOR_EACH_CPU_OP_EQ(test, and, cpu_possible_mask, cpu_possible_mask);
EXPECT_FOR_EACH_CPU_OP_EQ(test, andnot, cpu_possible_mask, &mask_empty);
}
static void test_cpumask_iterators_builtin(struct kunit *test)