diff options
Diffstat (limited to 'drivers/iio/test/iio-test-format.c')
| -rw-r--r-- | drivers/iio/test/iio-test-format.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/iio/test/iio-test-format.c b/drivers/iio/test/iio-test-format.c index b746d00bc0ea..237321436b83 100644 --- a/drivers/iio/test/iio-test-format.c +++ b/drivers/iio/test/iio-test-format.c @@ -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), {} }; |