1 /*
2 CyclomaticComplexity
3 max = 0
4 switchBlockAsSingleDecisionPoint = (default)false
5 tokens = (default)LITERAL_WHILE, LITERAL_DO, LITERAL_FOR, LITERAL_IF, LITERAL_SWITCH, \
6 LITERAL_CASE, LITERAL_CATCH, QUESTION, LAND, LOR
7
8
9 */
10
11 package com.puppycrawl.tools.checkstyle.checks.metrics.cyclomaticcomplexity;
12
13 public class InputCyclomaticComplexity {
14 // NP = 2
15 public void foo() { // violation
16 //NP(while-statement) = (while-range=1) + (expr=0) + 1 = 2
17 while (true) {
18 Runnable runnable = new Runnable() {
19 // NP = 2
20 public void run() { // violation
21 // NP(while-statement) = (while-range=1) + (expr=0) + 1 = 2
22 while (true) {
23 }
24 }
25 };
26
27 new Thread(runnable).start();
28 }
29 }
30
31 // NP = 10
32 public void bar() { // violation
33 // NP = (if-range=3*3) + (expr=0) + 1 = 10
34 if (System.currentTimeMillis() == 0) {
35 //NP = (if-range=1) + 1 + (expr=1) = 3
36 if (System.currentTimeMillis() == 0 && System.currentTimeMillis() == 0) {
37 }
38 //NP = (if-range=1) + 1 + (expr=1) = 3
39 if (System.currentTimeMillis() == 0 || System.currentTimeMillis() == 0) {
40 }
41 }
42 }
43
44 // NP = 3
45 public void simpleElseIf() { // violation
46 // NP = (if-range=1) + (else-range=2) + 0 = 3
47 if (System.currentTimeMillis() == 0) {
48 // NP(else-range) = (if-range=1) + (else-range=1) + (expr=0) = 2
49 } else if (System.currentTimeMillis() == 0) {
50 } else {
51 }
52 }
53
54 // NP = 7
55 public void stupidElseIf() { // violation
56 // NP = (if-range=1) + (else-range=3*2) + (expr=0) = 7
57 if (System.currentTimeMillis() == 0) {
58 } else {
59 // NP = (if-range=1) + (else-range=2) + (expr=0) = 3
60 if (System.currentTimeMillis() == 0) {
61 } else {
62 // NP = (if-range=1) + 1 + (expr=0) = 2
63 if (System.currentTimeMillis() == 0) {
64 }
65 }
66 // NP = (if-range=1) + 1 + (expr=0) = 2
67 if (System.currentTimeMillis() == 0) {
68 }
69 }
70 }
71
72 // NP = 3
73 public InputCyclomaticComplexity() // violation
74 {
75 int i = 1;
76 // NP = (if-range=1) + (else-range=2) + 0 = 3
77 if (System.currentTimeMillis() == 0) {
78 // NP(else-range) = (if-range=1) + (else-range=1) + (expr=0) = 2
79 } else if (System.currentTimeMillis() == 0) {
80 } else {
81 }
82 }
83
84 // STATIC_INIT
85 // NP = 3
86 static { // violation
87 int i = 1;
88 // NP = (if-range=1) + (else-range=2) + 0 = 3
89 if (System.currentTimeMillis() == 0) {
90 // NP(else-range) = (if-range=1) + (else-range=1) + (expr=0) = 2
91 } else if (System.currentTimeMillis() == 0) {
92 } else {
93 }
94 }
95
96 // INSTANCE_INIT
97 // NP = 3
98 { // violation
99 int i = 1;
100 // NP = (if-range=1) + (else-range=2) + 0 = 3
101 if (System.currentTimeMillis() == 0) {
102 // NP(else-range) = (if-range=1) + (else-range=1) + (expr=0) = 2
103 } else if (System.currentTimeMillis() == 0) {
104 } else {
105 }
106 }
107
108 /** Inner */
109 // NP = 0
110 public InputCyclomaticComplexity(int aParam) // violation
111 {
112 Runnable runnable = new Runnable() {
113 // NP = 2
114 public void run() { // violation
115 // NP(while-statement) = (while-range=1) + (expr=0) + 1 = 2
116 while (true) {
117 }
118 }
119 };
120 new Thread(runnable).start();
121 }
122 }