rhomacahyanti · ibnufirdaus · Sep 10, 2021
diff --git a/.idea/.gitignore b/.idea/.gitignore
diff --git a/.idea/debugging-workshop.iml b/.idea/debugging-workshop.iml
diff --git a/.idea/modules.xml b/.idea/modules.xml
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
diff --git a/go.mod b/go.mod
@@ -0,0 +1,3 @@
+module github.com/ibnufirdaus/debugging-workshop
+
+go 1.15
diff --git a/main.go b/main.go
@@ -29,8 +29,8 @@ func main() {
 }
 
 func sender(c chan signalData) {
+	var signalData signalData // init once
 	for {
-		var signalData signalData
 		signalData.signal = generateSignal()
 		c <- signalData
 	}
@@ -95,6 +95,8 @@ func evaluateSignal(signal []int) string {
 
 func evaluateNode(node1, node2 int) int {
 	switch {
+	case node2 == 1: // if latest is 1, return 1
+		return 1
 	case node2 > node1:
 		return 1
 	case node2 < node1:

diff --git a/main_test.go b/main_test.go
@@ -54,6 +54,20 @@ func Test_evaluateSignal(t *testing.T) {
 			},
 			want: "good",
 		},
+		{
+			name: "good signal 2",
+			args: args{
+				signal: []int{0, 1, 1, 0, 1, 1},
+			},
+			want: "good",
+		},
+		{
+			name: "bad signal",
+			args: args{
+				signal: []int{1, 1, 1, 0, 0, 0},
+			},
+			want: "bad",
+		},
 		{
 			name: "bad signal",
 			args: args{
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		module github.com/ibnufirdaus/debugging-workshop

		go 1.15