[Linux-kernel-mentees] [PATCH v5 2/2] Add test for new features in cec-follower

[Jiunn Chang]

Analog tuner control test tuner_ctl_test():
  - give analog tuner status
  - select tuner analog service
  - analog tuner step features

Signed-off-by: Jiunn Chang <c0d1n61at3 at gmail.com>
---
 utils/cec-compliance/cec-test.cpp | 74 +++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/utils/cec-compliance/cec-test.cpp b/utils/cec-compliance/cec-test.cpp
index 017d1ef8..669df4b7 100644
--- a/utils/cec-compliance/cec-test.cpp
+++ b/utils/cec-compliance/cec-test.cpp
@@ -16,6 +16,7 @@
 #include <sys/ioctl.h>
 #include <config.h>
 #include <sstream>
+#include <vector>
 
 #include "cec-compliance.h"
 
@@ -722,6 +723,78 @@ static struct remote_subtest deck_ctl_subtests[] = {
   TODO: These are very rudimentary tests which should be expanded.
  */
 
+static int tuner_ctl_test(struct node *node, unsigned me, unsigned la, bool interactive)
+{
+	struct cec_msg msg = {};
+	struct cec_op_tuner_device_info info = {};
+	__u16 start_freq;
+	std::vector<struct cec_op_tuner_device_info> info_vec;
+
+	cec_msg_init(&msg, me, la);
+	cec_msg_give_tuner_device_status(&msg, true, CEC_OP_STATUS_REQ_ONCE);
+	fail_on_test(!transmit_timeout(node, &msg));
+	if (timed_out(&msg) || unrecognized_op(&msg))
+		return NOTSUPPORTED;
+	if (refused(&msg))
+		return REFUSED;
+	cec_ops_tuner_device_status(&msg, &info);
+	start_freq = info.analog.ana_freq;
+	info_vec.push_back(info);
+
+	while (1) {
+		cec_msg_init(&msg, me, la);
+		cec_msg_tuner_step_increment(&msg);
+		fail_on_test(!transmit_timeout(node, &msg));
+		fail_on_test(cec_msg_status_is_abort(&msg));
+		if (cec_msg_status_is_abort(&msg)) {
+			fail_on_test(abort_reason(&msg) == CEC_OP_ABORT_UNRECOGNIZED_OP);
+			if (abort_reason(&msg) == CEC_OP_ABORT_REFUSED) {
+				warn("Tuner step increment does not wrap.\n");
+				break;
+			} else {
+				warn("Tuner at end of service list did not receive feature abort refused.\n");
+				break;
+			}
+		}
+		cec_msg_init(&msg, me, la);
+		cec_msg_give_tuner_device_status(&msg, true, CEC_OP_STATUS_REQ_ONCE);
+		fail_on_test(!transmit_timeout(node, &msg));
+		fail_on_test(timed_out_or_abort(&msg));
+		cec_ops_tuner_device_status(&msg, &info);
+		if (info.analog.ana_freq == start_freq)
+			break;
+		info_vec.push_back(info);
+	}
+
+	for (std::vector<struct cec_op_tuner_device_info>::iterator iter = info_vec.begin();
+			iter != info_vec.end(); iter++) {
+		cec_msg_init(&msg, me, la);
+		cec_msg_select_analogue_service(&msg, iter->analog.ana_bcast_type,
+			iter->analog.ana_freq, iter->analog.bcast_system);
+		fail_on_test(!transmit_timeout(node, &msg));
+		fail_on_test(cec_msg_status_is_abort(&msg));
+		cec_msg_init(&msg, me, la);
+		cec_msg_give_tuner_device_status(&msg, true, CEC_OP_STATUS_REQ_ONCE);
+		fail_on_test(!transmit_timeout(node, &msg));
+		fail_on_test(timed_out_or_abort(&msg));
+		cec_ops_tuner_device_status(&msg, &info);
+		fail_on_test(info.analog.ana_freq != iter->analog.ana_freq);
+		if (iter->is_analog) {
+			double freq_mhz = (iter->analog.ana_freq * 625) / 10000.0;
+			info("Analog channel freq: %.2f MHz\n", freq_mhz);
+		}
+	}
+
+	cec_msg_init(&msg, me, la);
+	cec_msg_select_analogue_service(&msg, 3, 16000, 9);
+	fail_on_test(!transmit_timeout(node, &msg));
+	fail_on_test(!cec_msg_status_is_abort(&msg));
+	fail_on_test(unrecognized_op(&msg));
+	fail_on_test(abort_reason(&msg) != CEC_OP_ABORT_INVALID_OP);
+
+	return 0;
+}
+
 static int tuner_ctl_give_status(struct node *node, unsigned me, unsigned la, bool interactive)
 {
 	struct cec_msg msg = {};
@@ -885,6 +958,7 @@ static int tuner_ctl_step_inc(struct node *node, unsigned me, unsigned la, bool
 }
 
 static struct remote_subtest tuner_ctl_subtests[] = {
+	{ "Tuner Control", CEC_LOG_ADDR_MASK_TUNER | CEC_LOG_ADDR_MASK_TV, tuner_ctl_test },
 	{ "Give Tuner Device Status", CEC_LOG_ADDR_MASK_TUNER, tuner_ctl_give_status },
 	{ "Select Analogue Service", CEC_LOG_ADDR_MASK_TUNER, tuner_ctl_sel_analog_service },
 	{ "Select Digital Service", CEC_LOG_ADDR_MASK_TUNER, tuner_ctl_sel_digital_service },
-- 
2.23.0