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Add test for NAS Service Accept enc/dec library

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This commit is contained in:
Guido Casati
2025-03-31 10:05:35 +02:00
parent 052491adde
commit 35fd18a090
1 changed files with 53 additions and 0 deletions
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openair3/NAS/NR_UE/5GS/tests/nas_lib_test.c
+53
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@@ -2,7 +2,9 @@
#include <stdint.h>
#include <stdio.h>
#include <arpa/inet.h>
#include "common/utils/ds/byte_array.h"
#include "fgs_service_request.h"
#include "fgmm_service_accept.h"
#include "nr_nas_msg.h"
void exit_function(const char *file, const char *function, const int line, const char *s, const int assert)
@@ -75,8 +77,59 @@ static void test_service_request(void)
"test_service_request() failed: original and decoded messages do not match\n");
}
/**
* @brief Test NAS Service Accept enc/dec
*/
static void test_service_accept(void)
{
// Dummy NAS Service Accept message
fgs_service_accept_msg_t orig = {
.has_psi_status = true,
.has_psi_res = true,
.num_errors = 1,
.t3448 = malloc_or_fail(sizeof(*orig.t3448)),
};
orig.psi_status[1] = PDU_SESSION_ACTIVE;
orig.psi_status[2] = PDU_SESSION_INACTIVE;
orig.psi_status[3] = PDU_SESSION_ACTIVE;
orig.psi_res[1] = REACTIVATION_FAILED;
orig.psi_res[2] = REACTIVATION_SUCCESS;
orig.cause[0].cause = Illegal_UE;
orig.cause[0].pdu_session_id = 1;
orig.t3448->value = 16;
orig.t3448->unit = TWO_SECONDS;
// Expected encoded data
uint8_t expected_enc[] = {0x50, 0x02, 0x0a, 0x00, 0x26, 0x02, 0x02, 0x00, 0x72, 0x00, 0x00, 0x01, 0x03, 0x6B, 0x01, 0x10};
uint16_t len_status = 2;
expected_enc[9] = (len_status >> 8) & 0xFF;
expected_enc[10] = len_status & 0xFF;
// Buffer
uint8_t buf[64] = {0};
byte_array_t buffer = {.buf = &buf[0], .len = sizeof(expected_enc)};
// Encode NAS Service Accept
int encoded_length = encode_fgs_service_accept(&buffer, &orig);
AssertFatal(encoded_length == sizeofArray(expected_enc), "encode_fgs_service_accept() failed\n");
// Compare the raw encoded buffer with expected encoded data
AssertFatal(memcmp(buffer.buf, expected_enc, buffer.len) == 0, "Encoding mismatch!\n");
// Decode NAS Service Accept
fgs_service_accept_msg_t dec = {0};
int decoded_length = decode_fgs_service_accept(&dec, &buffer);
AssertFatal(decoded_length >= 0, "decode_fgs_service_accept() failed\n");
// Compare original and decoded messages
AssertFatal(eq_service_accept(&orig, &dec), "test_service_accept() failed: original and decoded messages do not match\n");
free_fgs_service_accept(&dec);
free_fgs_service_accept(&orig);
}
int main()
{
test_service_request();
test_service_accept();
return 0;
}