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bacnet_stack/test/bacnet/readrange/src/main.c
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/**
* @file
* @brief Unit test for ReadRange services encode and decode
* @author Steve Karg <skarg@users.sourceforge.net>
* @date April 2025
* @copyright SPDX-License-Identifier: MIT
*/
#include <zephyr/ztest.h>
#include <bacnet/bacdcode.h>
#include <bacnet/readrange.h>
/**
* @addtogroup bacnet_tests
* @{
*/
static const char *read_range_request_type(int type)
{
switch (type) {
case RR_BY_POSITION:
return "RR_BY_POSITION";
case RR_BY_SEQUENCE:
return "RR_BY_SEQUENCE";
case RR_BY_TIME:
return "RR_BY_TIME";
case RR_READ_ALL:
return "RR_READ_ALL";
default:
return "UNKNOWN";
}
}
static int
testlist_item_encode(uint32_t object_instance, uint32_t item, uint8_t *apdu)
{
int apdu_len = 0;
apdu_len += encode_application_unsigned(apdu, object_instance);
apdu_len += encode_application_unsigned(apdu, item);
return apdu_len;
}
/**
* @brief Test
*/
static void testReadRangeAckUnit(BACNET_READ_RANGE_DATA *data)
{
uint8_t apdu[480] = { 0 };
uint8_t apdu2[480] = { 0 };
int apdu_len = 0, test_len = 0, null_len = 0;
BACNET_READ_RANGE_DATA test_data = { 0 };
BACNET_OBJECT_TYPE object_type = OBJECT_DEVICE;
uint32_t object_instance = 0;
BACNET_OBJECT_TYPE object = 0;
data->application_data_len = encode_bacnet_object_id(
&apdu2[0], data->object_type, data->object_instance);
data->application_data = &apdu2[0];
null_len = readrange_ack_service_encode(&apdu[0], sizeof(apdu), NULL);
zassert_equal(null_len, 0, NULL);
null_len = readrange_ack_service_encode(&apdu[0], 0, NULL);
zassert_equal(null_len, 0, NULL);
null_len = readrange_ack_service_encode(NULL, sizeof(apdu), data);
zassert_not_equal(null_len, 0, NULL);
apdu_len = readrange_ack_service_encode(&apdu[0], sizeof(apdu), data);
zassert_equal(
apdu_len, null_len, "apdu_len=%d null_len=%d", apdu_len, null_len);
zassert_not_equal(apdu_len, 0, NULL);
zassert_not_equal(apdu_len, BACNET_STATUS_ERROR, NULL);
null_len = rr_ack_decode_service_request(NULL, apdu_len, &test_data);
zassert_true(null_len < 0, NULL);
test_len = rr_ack_decode_service_request(&apdu[0], apdu_len, &test_data);
zassert_equal(apdu_len, test_len, NULL);
zassert_not_equal(test_len, -1, NULL);
zassert_equal(test_data.object_type, data->object_type, NULL);
zassert_equal(test_data.object_instance, data->object_instance, NULL);
zassert_equal(test_data.object_property, data->object_property, NULL);
zassert_equal(test_data.array_index, data->array_index, NULL);
zassert_equal(
test_data.application_data_len, data->application_data_len,
"test app len=%d app len=%d", test_data.application_data_len,
data->application_data_len);
/* since object property == object_id, decode the application data using
the appropriate decode function */
test_len =
decode_object_id(test_data.application_data, &object, &object_instance);
object_type = object;
zassert_equal(object_type, data->object_type, NULL);
zassert_equal(object_instance, data->object_instance, NULL);
while (apdu_len) {
apdu_len--;
if (apdu_len == 17) {
/* boundary of optional parameters, so becomes valid */
continue;
}
test_len =
rr_ack_decode_service_request(&apdu[0], apdu_len, &test_data);
zassert_true(
test_len < 0, "test_len=%d apdu_len=%d", test_len, apdu_len);
}
}
#if defined(CONFIG_ZTEST_NEW_API)
ZTEST(rp_tests, testReadRangeAck)
#else
static void testReadRangeAck(void)
#endif
{
BACNET_READ_RANGE_DATA data = { 0 };
data.object_type = OBJECT_DEVICE;
data.object_instance = 1;
data.object_property = PROP_OBJECT_IDENTIFIER;
data.array_index = 0;
data.RequestType = RR_READ_ALL;
testReadRangeAckUnit(&data);
data.array_index = BACNET_ARRAY_ALL;
for (int i = 0; i < 3; i++) {
data.ItemCount = i;
data.RequestType = RR_READ_ALL;
testReadRangeAckUnit(&data);
/* firstSequenceNumber - used only if 'Item Count' > 0 and
the request was either of type 'By Sequence Number' or 'By Time' */
for (int j = 0; j < 3; j++) {
data.FirstSequence = j;
data.RequestType = RR_BY_TIME;
testReadRangeAckUnit(&data);
data.RequestType = RR_BY_SEQUENCE;
testReadRangeAckUnit(&data);
}
data.FirstSequence = 0;
data.RequestType = RR_BY_POSITION;
testReadRangeAckUnit(&data);
}
}
static void testReadRangeUnit(BACNET_READ_RANGE_DATA *data)
{
uint8_t apdu[480] = { 0 };
int apdu_len = 0, test_len = 0, null_len = 0;
uint32_t item_count = 5, item_count_total = 1200;
BACNET_READ_RANGE_DATA test_data;
null_len = read_range_request_encode(&apdu[0], 0, data);
zassert_equal(null_len, 0, NULL);
null_len = read_range_request_encode(&apdu[0], sizeof(apdu), NULL);
zassert_equal(null_len, 0, NULL);
null_len = read_range_request_encode(NULL, sizeof(apdu), data);
zassert_not_equal(null_len, 0, NULL);
apdu_len = read_range_request_encode(&apdu[0], sizeof(apdu), data);
zassert_equal(
apdu_len, null_len, "apdu_len=%d null_len=%d", apdu_len, null_len);
zassert_not_equal(apdu_len, 0, NULL);
null_len = rr_decode_service_request(NULL, apdu_len, &test_data);
zassert_true(null_len < 0, NULL);
test_len = rr_decode_service_request(&apdu[0], apdu_len, &test_data);
zassert_equal(
apdu_len, test_len, "apdu_len=%d test_len=%d", apdu_len, test_len);
zassert_not_equal(test_len, -1, NULL);
zassert_equal(test_data.object_type, data->object_type, NULL);
zassert_equal(test_data.object_instance, data->object_instance, NULL);
zassert_equal(test_data.object_property, data->object_property, NULL);
zassert_equal(test_data.array_index, data->array_index, NULL);
if (data->RequestType == RR_BY_POSITION) {
test_len = readrange_ack_by_position_encode(
data, testlist_item_encode, item_count, apdu, sizeof(apdu));
if (data->Range.RefIndex >= item_count) {
/* if the reference index must be less than the item count,
or it should encode nothing */
zassert_equal(test_len, 0, NULL);
} else {
zassert_not_equal(test_len, 0, NULL);
}
} else if (data->RequestType == RR_BY_SEQUENCE) {
test_len = readrange_ack_by_sequence_encode(
data, testlist_item_encode, item_count, item_count_total, apdu,
sizeof(apdu));
zassert_not_equal(test_len, 0, NULL);
item_count_total = item_count;
test_len = readrange_ack_by_sequence_encode(
data, testlist_item_encode, item_count, item_count_total, apdu,
sizeof(apdu));
zassert_not_equal(test_len, 0, NULL);
}
while (apdu_len) {
apdu_len--;
test_len = rr_decode_service_request(&apdu[0], apdu_len, &test_data);
if (apdu_len == 7) {
/* boundary of optional parameters, so becomes valid */
continue;
}
zassert_true(
test_len < 0, "test_len=%d apdu_len=%d request=%s array=%u",
test_len, apdu_len, read_range_request_type(data->RequestType),
data->array_index);
}
}
#if defined(CONFIG_ZTEST_NEW_API)
ZTEST(rp_tests, testReadRange)
#else
static void testReadRange(void)
#endif
{
BACNET_READ_RANGE_DATA data = { 0 };
data.object_type = OBJECT_DEVICE;
data.object_instance = 1;
data.object_property = PROP_OBJECT_IDENTIFIER;
data.array_index = 0;
data.RequestType = RR_READ_ALL;
testReadRangeUnit(&data);
data.array_index = BACNET_ARRAY_ALL;
data.RequestType = RR_READ_ALL;
testReadRangeUnit(&data);
data.RequestType = RR_BY_POSITION;
testReadRangeUnit(&data);
data.Range.RefIndex = 5;
data.RequestType = RR_BY_POSITION;
testReadRangeUnit(&data);
data.Range.RefIndex = 6;
data.RequestType = RR_BY_POSITION;
testReadRangeUnit(&data);
data.Count = 0;
data.RequestType = RR_BY_SEQUENCE;
testReadRangeUnit(&data);
data.Range.RefSeqNum = 5;
data.RequestType = RR_BY_SEQUENCE;
testReadRangeUnit(&data);
data.Range.RefSeqNum = 6;
data.RequestType = RR_BY_SEQUENCE;
testReadRangeUnit(&data);
data.Range.RefSeqNum = 1200;
data.RequestType = RR_BY_SEQUENCE;
testReadRangeUnit(&data);
data.RequestType = RR_BY_TIME;
testReadRangeUnit(&data);
return;
}
/**
* @}
*/
#if defined(CONFIG_ZTEST_NEW_API)
ZTEST_SUITE(rp_tests, NULL, NULL, NULL, NULL, NULL);
#else
void test_main(void)
{
ztest_test_suite(
readrange_tests, ztest_unit_test(testReadRange),
ztest_unit_test(testReadRangeAck));
ztest_run_test_suite(readrange_tests);
}
#endif
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