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iio: test: Add check against NULL for buffer in tests.

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Add KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf) for every test.
Also use ARRAY_SIZE(values) where it is possible.

Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20211105100501.1904-2-andriy.tryshnivskyy@opensynergy.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andriy Tryshnivskyy 2021-11-05 12:05:00 +02:00 committed by Jonathan Cameron
parent ffc7c5172a
commit ee8ec048e0
1 changed files with 42 additions and 27 deletions
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69
drivers/iio/test/iio-test-format.c
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@ -14,10 +14,13 @@
static void iio_test_iio_format_value_integer(struct kunit *test) static void iio_test_iio_format_value_integer(struct kunit *test)
{ {
char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); char *buf;
int val; int val;
int ret; int ret;
buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
val = 42; val = 42;
ret = iio_format_value(buf, IIO_VAL_INT, 1, &val); ret = iio_format_value(buf, IIO_VAL_INT, 1, &val);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "42\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "42\n");
@ -41,142 +44,154 @@ static void iio_test_iio_format_value_integer(struct kunit *test)
static void iio_test_iio_format_value_fixedpoint(struct kunit *test) static void iio_test_iio_format_value_fixedpoint(struct kunit *test)
{ {
char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
int values[2]; int values[2];
char *buf;
int ret; int ret;
buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
/* positive >= 1 */ /* positive >= 1 */
values[0] = 1; values[0] = 1;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010 dB\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010 dB\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000000010\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000000010\n");
/* positive < 1 */ /* positive < 1 */
values[0] = 0; values[0] = 0;
values[1] = 12; values[1] = 12;
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012 dB\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012 dB\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000012\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000012\n");
/* negative <= -1 */ /* negative <= -1 */
values[0] = -1; values[0] = -1;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010 dB\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010 dB\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000000010\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000000010\n");
/* negative > -1 */ /* negative > -1 */
values[0] = 0; values[0] = 0;
values[1] = -123; values[1] = -123;
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123 dB\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123 dB\n");
ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values); ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000123\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000123\n");
} }
static void iio_test_iio_format_value_fractional(struct kunit *test) static void iio_test_iio_format_value_fractional(struct kunit *test)
{ {
char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
int values[2]; int values[2];
char *buf;
int ret; int ret;
buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
/* positive < 1 */ /* positive < 1 */
values[0] = 1; values[0] = 1;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.100000000\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.100000000\n");
/* positive >= 1 */ /* positive >= 1 */
values[0] = 100; values[0] = 100;
values[1] = 3; values[1] = 3;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "33.333333333\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "33.333333333\n");
/* negative > -1 */ /* negative > -1 */
values[0] = -1; values[0] = -1;
values[1] = 1000000000; values[1] = 1000000000;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000001\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000001\n");
/* negative <= -1 */ /* negative <= -1 */
values[0] = -200; values[0] = -200;
values[1] = 3; values[1] = 3;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-66.666666666\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-66.666666666\n");
/* Zero */ /* Zero */
values[0] = 0; values[0] = 0;
values[1] = -10; values[1] = -10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000000\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000000\n");
} }
static void iio_test_iio_format_value_fractional_log2(struct kunit *test) static void iio_test_iio_format_value_fractional_log2(struct kunit *test)
{ {
char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
int values[2]; int values[2];
char *buf;
int ret; int ret;
buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
/* positive < 1 */ /* positive < 1 */
values[0] = 123; values[0] = 123;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.120117187\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.120117187\n");
/* positive >= 1 */ /* positive >= 1 */
values[0] = 1234567; values[0] = 1234567;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1205.631835937\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1205.631835937\n");
/* negative > -1 */ /* negative > -1 */
values[0] = -123; values[0] = -123;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.120117187\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.120117187\n");
/* negative <= -1 */ /* negative <= -1 */
values[0] = -1234567; values[0] = -1234567;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1205.631835937\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1205.631835937\n");
/* Zero */ /* Zero */
values[0] = 0; values[0] = 0;
values[1] = 10; values[1] = 10;
ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values); ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000000\n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000000\n");
} }
static void iio_test_iio_format_value_multiple(struct kunit *test) static void iio_test_iio_format_value_multiple(struct kunit *test)
{ {
char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
int values[] = {1, -2, 3, -4, 5}; int values[] = {1, -2, 3, -4, 5};
char *buf;
int ret; int ret;
buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
ret = iio_format_value(buf, IIO_VAL_INT_MULTIPLE, ret = iio_format_value(buf, IIO_VAL_INT_MULTIPLE,
ARRAY_SIZE(values), values); ARRAY_SIZE(values), values);
IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1 -2 3 -4 5 \n"); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1 -2 3 -4 5 \n");