Add more gocognit tests.

test/testdata/gocognit.go

@@ -2,7 +2,7 @@
 //config: linters-settings.gocognit.min-complexity=2
 package testdata
 
-func GocognitGetWords(number int) string { // ERROR "cognitive complexity 4 of func .* is high .*"
+func GoCognit_CC4_GetWords(number int) string { // ERROR "cognitive complexity 4 of func .* is high .*"
 	if number == 1 { // +1
 		return "one"
 	} else if number == 2 { // +1
@@ -14,10 +14,39 @@ func GocognitGetWords(number int) string { // ERROR "cognitive complexity 4 of f
 	}
 } // total complexity = 4
 
-func GoCognitFact(n int) int { // ERROR "cognitive complexity 3 of func .* is high .*"
+func GoCognit_CC1_GetWords(number int) string {
+	switch number { // +1
+	case 1:
+		return "one"
+	case 2:
+		return "a couple"
+	case 3:
+		return "a few"
+	default:
+		return "lots"
+	}
+} // Cognitive complexity = 1
+
+func GoCognit_CC3_Fact(n int) int { // ERROR "cognitive complexity 3 of func .* is high .*"
 	if n <= 1 { // +1
 		return 1
 	} else { // +1
-		return n + GoCognitFact(n-1) // +1
+		return n + GoCognit_CC3_Fact(n-1) // +1
 	}
 } // total complexity = 3
+
+func GoCognit_CC7_SumOfPrimes(max int) int { // ERROR "cognitive complexity 7 of func .* is high .*"
+	var total int
+
+OUT:
+	for i := 1; i < max; i++ { // +1
+		for j := 2; j < i; j++ { // +2 (nesting = 1)
+			if i%j == 0 { // +3 (nesting = 2)
+				continue OUT // +1
+			}
+		}
+		total += i
+	}
+
+	return total
+} // Cognitive complexity = 7