| // RUN: %check_clang_tidy %s misc-pointer-and-integral-operation %t |
| |
| bool* pb; |
| char* pc; |
| int* pi; |
| |
| int Test() { |
| if (pi < 0) return 0; |
| // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious comparison of pointer with zero [misc-pointer-and-integral-operation] |
| if (pi <= 0) return 0; |
| // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious comparison of pointer with zero |
| |
| if (nullptr <= pb) return 0; |
| // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: suspicious comparison of pointer with null |
| if (pc < nullptr) return 0; |
| // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious comparison of pointer with null |
| if (pi > nullptr) return 0; |
| // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious comparison of pointer with null |
| |
| return 1; |
| } |
| |
| int Valid() { |
| *pb = false; |
| *pc = '\0'; |
| |
| pi += (pi != nullptr); |
| pi -= (pi == nullptr); |
| pc += (pb != nullptr); |
| } |