1 | // RUN: %check_clang_tidy %s readability-simplify-boolean-expr %t -- -config="{CheckOptions: {readability-simplify-boolean-expr.ChainedConditionalReturn: true}}" -- |
2 | |
3 | bool chained_conditional_compound_return(int i) { |
4 | if (i < 0) { |
5 | return true; |
6 | } else if (i < 10) { |
7 | return false; |
8 | } else if (i > 20) { |
9 | return true; |
10 | } else { |
11 | return false; |
12 | } |
13 | // CHECK-MESSAGES: :[[@LINE-4]]:12: warning: redundant boolean literal in conditional return statement [readability-simplify-boolean-expr] |
14 | // CHECK-FIXES: {{^}} } else if (i < 10) {{{$}} |
15 | // CHECK-FIXES-NEXT: {{^}} return false;{{$}} |
16 | // CHECK-FIXES-NEXT: {{^}} } else return i > 20;{{$}} |
17 | } |
18 | |
19 | bool chained_conditional_return(int i) { |
20 | if (i < 0) |
21 | return true; |
22 | else if (i < 10) |
23 | return false; |
24 | else if (i > 20) |
25 | return true; |
26 | else |
27 | return false; |
28 | // CHECK-MESSAGES: :[[@LINE-3]]:12: warning: {{.*}} in conditional return statement |
29 | // CHECK-FIXES: {{^}} else if (i < 10) |
30 | // CHECK-FIXES-NEXT: {{^}} return false; |
31 | // CHECK-FIXES-NEXT: {{^}} else return i > 20; |
32 | } |
33 | |
34 | bool chained_simple_if_return(int i) { |
35 | if (i < 5) |
36 | return true; |
37 | if (i > 10) |
38 | return true; |
39 | return false; |
40 | } |
41 | // CHECK-MESSAGES: :[[@LINE-3]]:12: warning: {{.*}} in conditional return |
42 | // CHECK-FIXES: {{^}}bool chained_simple_if_return(int i) {{{$}} |
43 | // CHECK-FIXES: {{^}} if (i < 5){{$}} |
44 | // CHECK-FIXES: {{^ return true;$}} |
45 | // CHECK-FIXES: {{^ return i > 10;$}} |
46 | // CHECK-FIXES: {{^}$}} |
47 | |
48 | bool chained_simple_if_return_negated(int i) { |
49 | if (i < 5) |
50 | return false; |
51 | if (i > 10) |
52 | return false; |
53 | return true; |
54 | } |
55 | // CHECK-MESSAGES: :[[@LINE-3]]:12: warning: {{.*}} in conditional return |
56 | // CHECK-FIXES: {{^}}bool chained_simple_if_return_negated(int i) {{{$}} |
57 | // CHECK-FIXES: {{^}} if (i < 5){{$}} |
58 | // CHECK-FIXES: {{^ return false;$}} |
59 | // CHECK-FIXES: {{^ return i <= 10;$}} |
60 | // CHECK-FIXES: {{^}$}} |
61 | |
62 | bool complex_chained_if_return_return(int i) { |
63 | if (i < 5) { |
64 | return true; |
65 | } |
66 | if (i > 10) { |
67 | return true; |
68 | } |
69 | return false; |
70 | } |
71 | // CHECK-MESSAGES: :[[@LINE-4]]:12: warning: {{.*}} in conditional return |
72 | // CHECK-FIXES: {{^}}bool complex_chained_if_return_return(int i) {{{$}} |
73 | // CHECK-FIXES: {{^}} if (i < 5) {{{$}} |
74 | // CHECK-FIXES: {{^}} return true;{{$}} |
75 | // CHECK-FIXES: {{^}} }{{$}} |
76 | // CHECK-FIXES: {{^ return i > 10;$}} |
77 | // CHECK-FIXES: {{^}$}} |
78 | |
79 | bool complex_chained_if_return_return_negated(int i) { |
80 | if (i < 5) { |
81 | return false; |
82 | } |
83 | if (i > 10) { |
84 | return false; |
85 | } |
86 | return true; |
87 | } |
88 | // CHECK-MESSAGES: :[[@LINE-4]]:12: warning: {{.*}} in conditional return |
89 | // CHECK-FIXES: {{^}}bool complex_chained_if_return_return_negated(int i) {{{$}} |
90 | // CHECK-FIXES: {{^}} if (i < 5) {{{$}} |
91 | // CHECK-FIXES: {{^}} return false;{{$}} |
92 | // CHECK-FIXES: {{^}} }{{$}} |
93 | // CHECK-FIXES: {{^ return i <= 10;$}} |
94 | // CHECK-FIXES: {{^}$}} |
95 | |
96 | |
97 | bool PR57819(int x) { |
98 | // False positive introduced in clang-tidy-15 |
99 | // Expect no warning here. |
100 | if (x > 0) |
101 | return false; |
102 | else { |
103 | } |
104 | return true; |
105 | } |
106 | |