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-rw-r--r--tests/trau/trau_test.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/tests/trau/trau_test.c b/tests/trau/trau_test.c
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+++ b/tests/trau/trau_test.c
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+/* (C) 2013 by Andreas Eversberg <jolly@eversberg.eu>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/abis/trau_frame.h>
+#include <openbsc/trau_mux.h>
+#include <osmocom/core/msgb.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+void test_trau_fr_efr(unsigned char *data)
+{
+ struct decoded_trau_frame tf;
+ struct msgb *msg;
+ struct gsm_data_frame *frame;
+
+ printf("Testing TRAU FR transcoding.\n");
+ data[0] = 0xd0;
+ trau_encode_fr(&tf, data);
+ tf.c_bits[11] = 0; /* clear BFI */
+ msg = trau_decode_fr(1, &tf);
+ OSMO_ASSERT(msg != NULL);
+ frame = (struct gsm_data_frame *)msg->data;
+ OSMO_ASSERT(frame->msg_type == GSM_TCHF_FRAME);
+ OSMO_ASSERT(!memcmp(frame->data, data, 33));
+ msgb_free(msg);
+
+ printf("Testing TRAU EFR transcoding.\n");
+ data[0] = 0xc0;
+ trau_encode_efr(&tf, data);
+ OSMO_ASSERT(tf.d_bits[0] == 1); /* spare bit must be 1 */
+ tf.c_bits[11] = 0; /* clear BFI */
+ msg = trau_decode_efr(1, &tf);
+ OSMO_ASSERT(msg != NULL);
+ frame = (struct gsm_data_frame *)msg->data;
+ OSMO_ASSERT(frame->msg_type == GSM_TCHF_FRAME_EFR);
+ OSMO_ASSERT(!memcmp(frame->data, data, 31));
+
+ printf("Testing TRAU EFR decoding with CRC error.\n");
+ tf.d_bits[0] = 0; /* spare bit must be included */
+ msg = trau_decode_efr(1, &tf);
+ OSMO_ASSERT(msg != NULL);
+ frame = (struct gsm_data_frame *)msg->data;
+ OSMO_ASSERT(frame->msg_type == GSM_BAD_FRAME);
+ msgb_free(msg);
+}
+
+int main()
+{
+ unsigned char data[33];
+ int i;
+
+ msgb_talloc_ctx_init(NULL, 0);
+
+ memset(data, 0x00, sizeof(data));
+ test_trau_fr_efr(data);
+ memset(data, 0xff, sizeof(data));
+ test_trau_fr_efr(data);
+ srandom(42);
+ for (i = 0; i < sizeof(data); i++)
+ data[i] = random();
+ test_trau_fr_efr(data);
+ printf("Done\n");
+ return 0;
+}
+
+/* stubs */
+void vty_out() {}