| // RUN: %check_clang_tidy %s bugprone-unhandled-self-assignment %t -- \ |
| // RUN: -config="{CheckOptions: \ |
| // RUN: [{key: bugprone-unhandled-self-assignment.WarnOnlyIfThisHasSuspiciousField, \ |
| // RUN: value: false}]}" |
| |
| // Classes with pointer field are still caught. |
| class PtrField { |
| public: |
| PtrField &operator=(const PtrField &object) { |
| // CHECK-MESSAGES: [[@LINE-1]]:13: warning: operator=() does not handle self-assignment properly [bugprone-unhandled-self-assignment] |
| return *this; |
| } |
| |
| private: |
| int *p; |
| }; |
| |
| // With the option, check catches classes with trivial fields. |
| class TrivialFields { |
| public: |
| TrivialFields &operator=(const TrivialFields &object) { |
| // CHECK-MESSAGES: [[@LINE-1]]:18: warning: operator=() does not handle self-assignment properly [bugprone-unhandled-self-assignment] |
| return *this; |
| } |
| |
| private: |
| int m; |
| float f; |
| double d; |
| bool b; |
| }; |
| |
| // The check warns also when there is no field at all. |
| // In this case, user-defined copy assignment operator is useless anyway. |
| class ClassWithoutFields { |
| public: |
| ClassWithoutFields &operator=(const ClassWithoutFields &object) { |
| // CHECK-MESSAGES: [[@LINE-1]]:23: warning: operator=() does not handle self-assignment properly [bugprone-unhandled-self-assignment] |
| return *this; |
| } |
| }; |