85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/* (C) 2013 by Andreas Eversberg <jolly@eversberg.eu>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmocom/abis/trau_frame.h>
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#include <openbsc/trau_mux.h>
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#include <osmocom/core/msgb.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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void test_trau_fr_efr(unsigned char *data)
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{
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struct decoded_trau_frame tf;
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struct msgb *msg;
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struct gsm_data_frame *frame;
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printf("Testing TRAU FR transcoding.\n");
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data[0] = 0xd0;
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trau_encode_fr(&tf, data);
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tf.c_bits[11] = 0; /* clear BFI */
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msg = trau_decode_fr(1, &tf);
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OSMO_ASSERT(msg != NULL);
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frame = (struct gsm_data_frame *)msg->data;
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OSMO_ASSERT(frame->msg_type == GSM_TCHF_FRAME);
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OSMO_ASSERT(!memcmp(frame->data, data, 33));
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msgb_free(msg);
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printf("Testing TRAU EFR transcoding.\n");
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data[0] = 0xc0;
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trau_encode_efr(&tf, data);
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OSMO_ASSERT(tf.d_bits[0] == 1); /* spare bit must be 1 */
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tf.c_bits[11] = 0; /* clear BFI */
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msg = trau_decode_efr(1, &tf);
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OSMO_ASSERT(msg != NULL);
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frame = (struct gsm_data_frame *)msg->data;
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OSMO_ASSERT(frame->msg_type == GSM_TCHF_FRAME_EFR);
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OSMO_ASSERT(!memcmp(frame->data, data, 31));
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printf("Testing TRAU EFR decoding with CRC error.\n");
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tf.d_bits[0] = 0; /* spare bit must be included */
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msg = trau_decode_efr(1, &tf);
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OSMO_ASSERT(msg != NULL);
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frame = (struct gsm_data_frame *)msg->data;
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OSMO_ASSERT(frame->msg_type == GSM_BAD_FRAME);
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msgb_free(msg);
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}
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int main()
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{
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unsigned char data[33];
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int i;
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msgb_talloc_ctx_init(NULL, 0);
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memset(data, 0x00, sizeof(data));
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test_trau_fr_efr(data);
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memset(data, 0xff, sizeof(data));
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test_trau_fr_efr(data);
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srandom(42);
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for (i = 0; i < sizeof(data); i++)
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data[i] = random();
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test_trau_fr_efr(data);
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printf("Done\n");
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return 0;
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}
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/* stubs */
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void vty_out() {}
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