Commit 1d9b750c authored by Andriy Tryshnivskyy's avatar Andriy Tryshnivskyy Committed by Jonathan Cameron
Browse files

iio: test: Add test for IIO_VAL_INT_64. 



Add test for newly introduced type IIO_VAL_INT_64.

Signed-off-by: default avatarAndriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com>
Reported-by: default avatarkernel test robot <lkp@intel.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20211105100501.1904-3-andriy.tryshnivskyy@opensynergy.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent ee8ec048

drivers/iio/test/iio-test-format.c

+54 −0
Original line number Diff line number Diff line
@@ -197,12 +197,66 @@ static void iio_test_iio_format_value_multiple(struct kunit *test) 
	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1 -2 3 -4 5 \n");

}



static void iio_test_iio_format_value_integer_64(struct kunit *test)

{

	int values[2];

	s64 value;

	char *buf;

	int ret;



	buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);

	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);



	value = 24;

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "24\n");



	value = -24;

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-24\n");



	value = 0;

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0\n");



	value = UINT_MAX;

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "4294967295\n");



	value = -((s64)UINT_MAX);

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-4294967295\n");



	value = LLONG_MAX;

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "9223372036854775807\n");



	value = LLONG_MIN;

	values[0] = lower_32_bits(value);

	values[1] = upper_32_bits(value);

	ret = iio_format_value(buf, IIO_VAL_INT_64, ARRAY_SIZE(values), values);

	IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-9223372036854775808\n");

}



static struct kunit_case iio_format_test_cases[] = {

		KUNIT_CASE(iio_test_iio_format_value_integer),

		KUNIT_CASE(iio_test_iio_format_value_fixedpoint),

		KUNIT_CASE(iio_test_iio_format_value_fractional),

		KUNIT_CASE(iio_test_iio_format_value_fractional_log2),

		KUNIT_CASE(iio_test_iio_format_value_multiple),

		KUNIT_CASE(iio_test_iio_format_value_integer_64),

		{}

};