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Subject[PATCH v7 3/3] iio: test: Add test for IIO_VAL_INT_64.
Date
Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com>
---
drivers/iio/test/iio-test-format.c | 51 ++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)

diff --git a/drivers/iio/test/iio-test-format.c b/drivers/iio/test/iio-test-format.c
index f1e951eddb43..f07945c2cf28 100644
--- a/drivers/iio/test/iio-test-format.c
+++ b/drivers/iio/test/iio-test-format.c
@@ -182,12 +182,63 @@ 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)
+{
+ char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
+ s64 value;
+ int values[2];
+ int ret;
+
+ value = 24;
+ values[0] = lower_32_bits(value);
+ values[1] = upper_32_bits(value);
+ ret = iio_format_value(buf, IIO_VAL_INT_64, 2, 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, 2, 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, 2, values);
+ IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0\n");
+
+ value = 4294967295;
+ values[0] = lower_32_bits(value);
+ values[1] = upper_32_bits(value);
+ ret = iio_format_value(buf, IIO_VAL_INT_64, 2, values);
+ IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "4294967295\n");
+
+ value = -4294967295;
+ values[0] = lower_32_bits(value);
+ values[1] = upper_32_bits(value);
+ ret = iio_format_value(buf, IIO_VAL_INT_64, 2, 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, 2, 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, 2, 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),
{}
};

--
2.17.1
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