Steve Karg
4b9e154256
* added COBS encode and decode from BACnet standard * Add unit tests for COBS encoding and decoding * Improve COBS unit test and API. Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2020 Legrand North America, LLC.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
/* @file
|
|
* @brief test BACnet COBS encode/decode APIs
|
|
*/
|
|
|
|
#include <ztest.h>
|
|
#include <stdlib.h>
|
|
#include <bacnet/datalink/cobs.h>
|
|
#include <bacnet/bytes.h>
|
|
|
|
/**
|
|
* @addtogroup bacnet_tests
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Test CRC8 from Annex G 1.0 of BACnet Standard
|
|
*/
|
|
static void test_COBS_Encode_Decode(void)
|
|
{
|
|
uint8_t buffer[MAX_APDU] = { 0x55, 0xff, 0 };
|
|
uint8_t encoded_buffer[COBS_ENCODED_SIZE(MAX_APDU)+
|
|
COBS_ENCODED_CRC_SIZE] = { 0 };
|
|
//uint8_t encoded_buffer[MAX_APDU*2] = { 0 };
|
|
uint8_t test_buffer[MAX_APDU] = { 0 };
|
|
unsigned i;
|
|
size_t encoded_buffer_length, test_buffer_length;
|
|
|
|
for (i = 2; i < sizeof(buffer); i++) {
|
|
buffer[i] = i%0xff;
|
|
}
|
|
encoded_buffer_length = cobs_frame_encode(encoded_buffer,
|
|
sizeof(encoded_buffer), buffer, sizeof(buffer));
|
|
zassert_true(encoded_buffer_length > 0,
|
|
"COBS encoded buffer empty!");
|
|
test_buffer_length = cobs_frame_decode(test_buffer, sizeof(test_buffer),
|
|
encoded_buffer, encoded_buffer_length);
|
|
for (i = 0; i < sizeof(buffer); i++) {
|
|
zassert_true(buffer[i] == test_buffer[i],
|
|
"COBS encode/decode fail");
|
|
}
|
|
zassert_true(test_buffer_length == sizeof(buffer),
|
|
"COBS encode/decode length fail");
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
void test_main(void)
|
|
{
|
|
ztest_test_suite(cobs_tests,
|
|
ztest_unit_test(test_COBS_Encode_Decode)
|
|
);
|
|
|
|
ztest_run_test_suite(cobs_tests);
|
|
}
|