diff options
Diffstat (limited to 'drivers/iio/test/iio-test-format.c')
-rw-r--r-- | drivers/iio/test/iio-test-format.c | 123 |
1 files changed, 96 insertions, 27 deletions
diff --git a/drivers/iio/test/iio-test-format.c b/drivers/iio/test/iio-test-format.c index f1e951eddb43..237321436b83 100644 --- a/drivers/iio/test/iio-test-format.c +++ b/drivers/iio/test/iio-test-format.c @@ -14,10 +14,13 @@ 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 ret; + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + val = 42; ret = iio_format_value(buf, IIO_VAL_INT, 1, &val); IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "42\n"); @@ -41,153 +44,219 @@ static void iio_test_iio_format_value_integer(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]; + char *buf; int ret; + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + /* positive >= 1 */ values[0] = 1; 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"); - 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"); - 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"); /* positive < 1 */ values[0] = 0; 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"); - 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"); - 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"); /* negative <= -1 */ values[0] = -1; 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"); - 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"); - 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"); /* negative > -1 */ values[0] = 0; 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"); - 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"); - 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"); } static void iio_test_iio_format_value_fractional(struct kunit *test) { - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); int values[2]; + char *buf; int ret; + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + /* positive < 1 */ values[0] = 1; 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"); /* positive >= 1 */ values[0] = 100; 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"); /* negative > -1 */ values[0] = -1; 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"); /* negative <= -1 */ values[0] = -200; 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"); /* Zero */ values[0] = 0; 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"); } static void iio_test_iio_format_value_fractional_log2(struct kunit *test) { - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); int values[2]; + char *buf; int ret; + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + /* positive < 1 */ values[0] = 123; 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"); /* positive >= 1 */ values[0] = 1234567; 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"); /* negative > -1 */ values[0] = -123; 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"); /* negative <= -1 */ values[0] = -1234567; 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"); /* Zero */ values[0] = 0; 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"); } 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}; + char *buf; 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, ARRAY_SIZE(values), values); 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), {} }; 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