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fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature

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Modify fs/ext4/inode-test.c to use the parameterized testing
feature of KUnit.

Signed-off-by: Arpitha Raghunandan <98.arpi@gmail.com>
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Tested-by: David Gow <davidgow@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Iurii Zaikin <yzaikin@google.com>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Arpitha Raghunandan
2020-11-16 11:11:50 +05:30
committed by Shuah Khan
parent fadb08e7c7
commit 5f6b99d028
1 changed files with 162 additions and 154 deletions
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86
fs/ext4/inode-test.c
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@@ -80,28 +80,7 @@ struct timestamp_expectation {
bool lower_bound; bool lower_bound;
}; };
static time64_t get_32bit_time(const struct timestamp_expectation * const test) static const struct timestamp_expectation test_data[] = {
{
if (test->msb_set) {
if (test->lower_bound)
return LOWER_MSB_1;
return UPPER_MSB_1;
}
if (test->lower_bound)
return LOWER_MSB_0;
return UPPER_MSB_0;
}
/*
* Test data is derived from the table in the Inode Timestamps section of
* Documentation/filesystems/ext4/inodes.rst.
*/
static void inode_test_xtimestamp_decoding(struct kunit *test)
{
const struct timestamp_expectation test_data[] = {
{ {
.test_case_name = LOWER_BOUND_NEG_NO_EXTRA_BITS_CASE, .test_case_name = LOWER_BOUND_NEG_NO_EXTRA_BITS_CASE,
.msb_set = true, .msb_set = true,
@@ -230,37 +209,66 @@ static void inode_test_xtimestamp_decoding(struct kunit *test)
.extra_bits = 3, .extra_bits = 3,
.expected = {.tv_sec = 0x37fffffffLL, .tv_nsec = 0L}, .expected = {.tv_sec = 0x37fffffffLL, .tv_nsec = 0L},
} }
}; };
static void timestamp_expectation_to_desc(const struct timestamp_expectation *t,
char *desc)
{
strscpy(desc, t->test_case_name, KUNIT_PARAM_DESC_SIZE);
}
KUNIT_ARRAY_PARAM(ext4_inode, test_data, timestamp_expectation_to_desc);
static time64_t get_32bit_time(const struct timestamp_expectation * const test)
{
if (test->msb_set) {
if (test->lower_bound)
return LOWER_MSB_1;
return UPPER_MSB_1;
}
if (test->lower_bound)
return LOWER_MSB_0;
return UPPER_MSB_0;
}
/*
* Test data is derived from the table in the Inode Timestamps section of
* Documentation/filesystems/ext4/inodes.rst.
*/
static void inode_test_xtimestamp_decoding(struct kunit *test)
{
struct timespec64 timestamp; struct timespec64 timestamp;
int i;
for (i = 0; i < ARRAY_SIZE(test_data); ++i) { struct timestamp_expectation *test_param =
timestamp.tv_sec = get_32bit_time(&test_data[i]); (struct timestamp_expectation *)(test->param_value);
timestamp.tv_sec = get_32bit_time(test_param);
ext4_decode_extra_time(&timestamp, ext4_decode_extra_time(&timestamp,
cpu_to_le32(test_data[i].extra_bits)); cpu_to_le32(test_param->extra_bits));
KUNIT_EXPECT_EQ_MSG(test, KUNIT_EXPECT_EQ_MSG(test,
test_data[i].expected.tv_sec, test_param->expected.tv_sec,
timestamp.tv_sec, timestamp.tv_sec,
CASE_NAME_FORMAT, CASE_NAME_FORMAT,
test_data[i].test_case_name, test_param->test_case_name,
test_data[i].msb_set, test_param->msb_set,
test_data[i].lower_bound, test_param->lower_bound,
test_data[i].extra_bits); test_param->extra_bits);
KUNIT_EXPECT_EQ_MSG(test, KUNIT_EXPECT_EQ_MSG(test,
test_data[i].expected.tv_nsec, test_param->expected.tv_nsec,
timestamp.tv_nsec, timestamp.tv_nsec,
CASE_NAME_FORMAT, CASE_NAME_FORMAT,
test_data[i].test_case_name, test_param->test_case_name,
test_data[i].msb_set, test_param->msb_set,
test_data[i].lower_bound, test_param->lower_bound,
test_data[i].extra_bits); test_param->extra_bits);
}
} }
static struct kunit_case ext4_inode_test_cases[] = { static struct kunit_case ext4_inode_test_cases[] = {
KUNIT_CASE(inode_test_xtimestamp_decoding), KUNIT_CASE_PARAM(inode_test_xtimestamp_decoding, ext4_inode_gen_params),
{} {}
}; };