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tests/dtx: test tagging of FACCH/[FH] frames 

This patch adds a new test confirming that [1] actually fixes the bug.

Change-Id: I3d295a15d4446b3e440fbf4c90a1688d6c7275ae
Related: [1] I2e6f4b748c6445725211e264ab5f3f5a2712087a
Related: SYS#5853
This commit is contained in:
Vadim Yanitskiy 2022-05-18 02:23:25 +03:00
parent f673fd59c1
commit 32aff359ae
2 changed files with 31 additions and 0 deletions
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27
tests/dtx/dtx_gsm0503_test.c
View File

@ -215,6 +215,32 @@ static void test_gsm0503_tch_afhs_decode_dtx_sid_update(void)
"detection/decoding of AHS_SID_UPDATE");
}
static void test_gsm0503_tch_afhs_decode_dtx_facch(void)
{
enum gsm0503_amr_dtx_frames amr_last_dtx;
sbit_t bursts[BURST_PLEN * 8]; /* 8 bursts */
unsigned int i;
/* Set stealing bits to provoke FACCH/[FH] detection */
for (i = 0; i < 8; i++) {
sbit_t *burst = &bursts[BURST_PLEN * i];
memset(&burst[0], 0, BURST_PLEN);
burst[i >> 2 ? 57 : 58] = -127;
}
amr_last_dtx = AFS_SID_UPDATE;
test_gsm0503_tch_afhs_decode_dtx(&bursts[0], BURST_PLEN * 0,
&amr_last_dtx, true /* AFS */,
"tagging of FACCH/F");
OSMO_ASSERT(amr_last_dtx == AMR_OTHER);
amr_last_dtx = AHS_SID_UPDATE;
test_gsm0503_tch_afhs_decode_dtx(&bursts[0], BURST_PLEN * 0,
&amr_last_dtx, false /* AHS */,
"tagging of FACCH/H");
OSMO_ASSERT(amr_last_dtx == AMR_OTHER);
}
int main(int argc, char **argv)
{
printf("FR AMR DTX FRAMES:\n");
@ -230,6 +256,7 @@ int main(int argc, char **argv)
test_gsm0503_detect_ahs_dtx_frame(sample_sid_update_inh_frame);
test_gsm0503_tch_afhs_decode_dtx_sid_update();
test_gsm0503_tch_afhs_decode_dtx_facch();
return EXIT_SUCCESS;
}

4
tests/dtx/dtx_gsm0503_test.ok
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@ -21,3 +21,7 @@ Running test_gsm0503_tch_afhs_decode_dtx(at offset=232): testing detection/decod
Running test_gsm0503_tch_afhs_decode_dtx(at offset=464): testing detection/decoding of AHS_SID_UPDATE
==> gsm0503_tch_ahs_decode_dtx() yields 'AHS_SID_UPDATE_CN (audio)' (rc=5, BER 106/212)
====> tch_data[] = { 6003ccb270 }
Running test_gsm0503_tch_afhs_decode_dtx(at offset=0): testing tagging of FACCH/F
==> gsm0503_tch_afs_decode_dtx() yields 'AMR_OTHER (audio)' (rc=-1, BER 456/456)
Running test_gsm0503_tch_afhs_decode_dtx(at offset=0): testing tagging of FACCH/H
==> gsm0503_tch_ahs_decode_dtx() yields 'AMR_OTHER (audio)' (rc=-1, BER 456/456)