Implemented full e2e testing

Test/E2E/suite/debugclient/main.go

@@ -28,7 +28,7 @@ func main() {
 	logPort := flag.Int("logport", 9090, "TCPLogger TCP port")
 	scenario := flag.String("scenario", "", "scenario id (for output naming)")
 	outDir := flag.String("out", "/tmp/debug_e2e", "output directory")
-	mode := flag.String("mode", "debug", "debug|tcplogger")
+	mode := flag.String("mode", "debug", "debug|tcplogger|debug_pause_resume")
 	dur := flag.Duration("dur", 4*time.Second, "how long to run the script/collection")
 	flag.Parse()
 
@@ -72,6 +72,8 @@ func main() {
 		ok, msg = runDebugScript(mc, &events, &mu)
 	case "tcplogger":
 		ok, msg = runTcpLoggerScript(mc, *dur, &events, &mu, baseline)
+	case "debug_pause_resume":
+		ok, msg = runPauseResumeScript(mc, &events, &mu)
 	default:
 		fmt.Fprintf(os.Stderr, "unknown -mode %q\n", *mode)
 		os.Exit(2)
@@ -252,3 +254,150 @@ func runTcpLoggerScript(mc *debugger.MarteController, dur time.Duration, events
 	}
 	return false, "no matching log event received within duration"
 }
+
+// readValueResponse sends "VALUE <name>" and waits for the matching
+// {"Name":...,"Value":"...",...} JSON reply (DebugServiceBase::GetSignalValue,
+// dispatched via HandleCommand's "VALUE" token, terminated by a bare
+// "OK VALUE" sentinel line). MarteController's readLoop recognises the
+// leading '{' and accumulates until the sentinel, then delivers the clean
+// JSON text as a map[string]any{"type":"response","tag":"VALUE","data":...}
+// event. Unlike TRACE, VALUE reads the signal's live memory address directly
+// regardless of whether tracing is enabled, so it works as a completely
+// independent observation channel for the PAUSE/RESUME test below.
+func readValueResponse(events *[]event, mu *sync.Mutex, start int, timeout time.Duration) (uint32, bool) {
+	deadline := time.Now().Add(timeout)
+	for time.Now().Before(deadline) {
+		mu.Lock()
+		for _, e := range (*events)[start:] {
+			m, ok := e.data.(map[string]any)
+			if !ok || m["type"] != "response" || m["tag"] != "VALUE" {
+				continue
+			}
+			data, _ := m["data"].(string)
+			var v struct {
+				Value string `json:"Value"`
+			}
+			if json.Unmarshal([]byte(data), &v) == nil {
+				var n uint32
+				if _, err := fmt.Sscanf(v.Value, "%d", &n); err == nil {
+					mu.Unlock()
+					return n, true
+				}
+			}
+		}
+		mu.Unlock()
+		time.Sleep(20 * time.Millisecond)
+	}
+	return 0, false
+}
+
+// waitForBareOK waits for a text_line event whose data is exactly "OK" — the
+// literal reply DebugServiceBase::HandleCommand sends for PAUSE/RESUME
+// ("out += \"OK\\n\";", no per-signal count unlike FORCE/TRACE/BREAK's
+// "OK <TOKEN> <count>\n"), so it cannot be confused with those other acks.
+func waitForBareOK(events *[]event, mu *sync.Mutex, start int, timeout time.Duration) bool {
+	deadline := time.Now().Add(timeout)
+	for time.Now().Before(deadline) {
+		mu.Lock()
+		for _, e := range (*events)[start:] {
+			m, ok := e.data.(map[string]any)
+			if ok && m["type"] == "text_line" && m["data"] == "OK" {
+				mu.Unlock()
+				return true
+			}
+		}
+		mu.Unlock()
+		time.Sleep(20 * time.Millisecond)
+	}
+	return false
+}
+
+// runPauseResumeScript exercises PAUSE/RESUME over the TCP 8080 command
+// protocol. This complements runDebugScript (FORCE/TRACE/BREAK/UNFORCE):
+// those only confirm DebugService *acknowledges* a command; this confirms
+// PAUSE actually halts the RT GAM loop rather than merely replying "OK".
+// DebugBrokerWrapper's pause spin (DebugBrokerWrapper.h) only runs in the
+// OUTPUT broker's Execute(), AFTER it has already committed the GAM's
+// result for the current cycle — input brokers deliberately never spin
+// (would risk stalling cross-thread EventSem posts). So the *input*-side
+// registration for a signal (e.g. "App.Data.Timer.Counter", the raw
+// LinuxTimer memory feeding TimerGAM) keeps advancing even while paused;
+// only the *output*-side registration ("App.Data.DDB1.Counter", TimerGAM's
+// copy into DDB1 after IOGAM's pass-through) actually freezes. Confirmed
+// empirically: manual PAUSE/RESUME polling showed Timer.Counter advancing
+// continuously through the pause window while DDB1.Counter held constant.
+func runPauseResumeScript(mc *debugger.MarteController, events *[]event, mu *sync.Mutex) (bool, string) {
+	const target = "App.Data.DDB1.Counter"
+	const ackTimeout = 2 * time.Second
+
+	sample := func() (uint32, bool) {
+		mu.Lock()
+		start := len(*events)
+		mu.Unlock()
+		mc.SendCommand("VALUE " + target)
+		return readValueResponse(events, mu, start, ackTimeout)
+	}
+
+	v1, ok := sample()
+	if !ok {
+		return false, "no VALUE response received while running"
+	}
+	time.Sleep(200 * time.Millisecond)
+	v2, ok := sample()
+	if !ok {
+		return false, "no VALUE response received on second running sample"
+	}
+	if v2 <= v1 {
+		return false, fmt.Sprintf("Counter did not advance while running (%d -> %d)", v1, v2)
+	}
+
+	mu.Lock()
+	start := len(*events)
+	mu.Unlock()
+	mc.SendCommand("PAUSE")
+	if !waitForBareOK(events, mu, start, ackTimeout) {
+		return false, "no bare \"OK\" ack received for PAUSE"
+	}
+
+	time.Sleep(100 * time.Millisecond) // let any already-in-flight cycle settle
+	vPause1, ok := sample()
+	if !ok {
+		return false, "no VALUE response received while paused"
+	}
+	time.Sleep(500 * time.Millisecond)
+	vPause2, ok := sample()
+	if !ok {
+		return false, "no VALUE response received on second paused sample"
+	}
+	if vPause2 > vPause1+1 { // tolerate at most one straggling in-flight cycle
+		return false, fmt.Sprintf("Counter kept advancing while paused (%d -> %d)", vPause1, vPause2)
+	}
+
+	mu.Lock()
+	start = len(*events)
+	mu.Unlock()
+	mc.SendCommand("RESUME")
+	if !waitForBareOK(events, mu, start, ackTimeout) {
+		return false, "no bare \"OK\" ack received for RESUME"
+	}
+
+	time.Sleep(200 * time.Millisecond)
+	v3, ok := sample()
+	if !ok {
+		return false, "no VALUE response received after resume"
+	}
+	time.Sleep(200 * time.Millisecond)
+	v4, ok := sample()
+	if !ok {
+		return false, "no VALUE response received on second post-resume sample"
+	}
+	if v4 <= v3 {
+		return false, fmt.Sprintf("Counter did not resume advancing after RESUME (%d -> %d)", v3, v4)
+	}
+
+	if !mc.IsConnected() {
+		return false, "lost connection to DebugService during pause/resume script"
+	}
+	return true, fmt.Sprintf("PAUSE halted Counter (%d -> %d) and RESUME restored advancement (%d -> %d)",
+		vPause1, vPause2, v3, v4)
+}