| 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 | |