1 files changed, 71 insertions, 0 deletions
diff --git a/tests/amr/amr_test.c b/tests/amr/amr_test.c
new file mode 100644
index 00000000..07e8bf2c
--- /dev/null
+++ b/tests/amr/amr_test.c
@@ -0,0 +1,71 @@
+/* (C) 2021 by sysmocom s.f.m.c. GmbH
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * 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 Affero 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 <osmo-bts/logging.h>
+#include <osmo-bts/bts.h>
+#include <osmo-bts/amr.h>
+
+#include <osmocom/core/application.h>
+#include <osmocom/core/utils.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+static void test_amr_parse_mr_conf(void)
+{
+	uint8_t mrc_enc[] = { 0x20, 0xa5, 0x0d, 0x46, 0x52, 0x54 };
+	struct amr_multirate_conf mrc = { 0 };
+	unsigned int i;
+
+	printf("amr_parse_mr_conf() <- %s\n", osmo_hexdump(&mrc_enc[0], sizeof(mrc_enc)));
+	OSMO_ASSERT(amr_parse_mr_conf(&mrc, &mrc_enc[0], sizeof(mrc_enc)) > 0);
+	printf("amr_parse_mr_conf() -> num_modes=%u\n", mrc.num_modes);
+	for (i = 0; i < mrc.num_modes; i++) {
+		printf("  Mode[%u] = %u/%u/%u\n",
+		       i, mrc.mode[i].mode,
+		       mrc.mode[i].threshold,
+		       mrc.mode[i].hysteresis);
+	}
+
+	mrc_enc[1] = 0xff; /* all codec modes active */
+	printf("amr_parse_mr_conf() <- %s\n", osmo_hexdump(&mrc_enc[0], sizeof(mrc_enc)));
+	OSMO_ASSERT(amr_parse_mr_conf(&mrc, &mrc_enc[0], sizeof(mrc_enc)) == -EINVAL);
+
+	mrc_enc[0] = 0xff; /* unknown version */
+	printf("amr_parse_mr_conf() <- %s\n", osmo_hexdump(&mrc_enc[0], sizeof(mrc_enc)));
+	OSMO_ASSERT(amr_parse_mr_conf(&mrc, &mrc_enc[0], sizeof(mrc_enc)) == -EINVAL);
+
+	printf("amr_parse_mr_conf() <- %s\n", osmo_hexdump(&mrc_enc[0], 1)); /* short read */
+	OSMO_ASSERT(amr_parse_mr_conf(&mrc, &mrc_enc[0], 1) == -EINVAL);
+}
+
+int main(int argc, char **argv)
+{
+	osmo_init_logging2(NULL, &bts_log_info);
+	log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE);
+	log_set_print_category_hex(osmo_stderr_target, 0);
+	log_set_print_category(osmo_stderr_target, 1);
+	log_set_print_level(osmo_stderr_target, 1);
+	log_set_use_color(osmo_stderr_target, 0);
+
+	test_amr_parse_mr_conf();
+	return EXIT_SUCCESS;
+}