iio: test: Add test for IIO_VAL_INT_64.

Add test for newly introduced type IIO_VAL_INT_64.

Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20211105100501.1904-3-andriy.tryshnivskyy@opensynergy.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/test/iio-test-format.c b/drivers/iio/test/iio-test-format.c
index b746d00..2373214 100644 (file)
--- 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),
                {}
 };