| 1 | // RUN: %check_clang_tidy %s readability-redundant-preprocessor %t -- -- -I %S |
| 2 | |
| 3 | // Positive testing. |
| 4 | #ifndef FOO |
| 5 | // CHECK-NOTES: [[@LINE+1]]:2: warning: nested redundant #ifndef; consider removing it [readability-redundant-preprocessor] |
| 6 | #ifndef FOO |
| 7 | // CHECK-NOTES: [[@LINE-3]]:2: note: previous #ifndef was here |
| 8 | void f(); |
| 9 | #endif |
| 10 | #endif |
| 11 | |
| 12 | // Positive testing of inverted condition. |
| 13 | #ifndef FOO |
| 14 | // CHECK-NOTES: [[@LINE+1]]:2: warning: nested redundant #ifdef; consider removing it [readability-redundant-preprocessor] |
| 15 | #ifdef FOO |
| 16 | // CHECK-NOTES: [[@LINE-3]]:2: note: previous #ifndef was here |
| 17 | void f2(); |
| 18 | #endif |
| 19 | #endif |
| 20 | |
| 21 | // Negative testing. |
| 22 | #include "redundant-preprocessor.h" |
| 23 | |
| 24 | #ifndef BAR |
| 25 | void g(); |
| 26 | #endif |
| 27 | |
| 28 | #ifndef FOO |
| 29 | #ifndef BAR |
| 30 | void h(); |
| 31 | #endif |
| 32 | #endif |
| 33 | |
| 34 | #ifndef FOO |
| 35 | #ifdef BAR |
| 36 | void i(); |
| 37 | #endif |
| 38 | #endif |
| 39 | |
| 40 | // Positive #if testing. |
| 41 | #define FOO 4 |
| 42 | |
| 43 | #if FOO == 4 |
| 44 | // CHECK-NOTES: [[@LINE+1]]:2: warning: nested redundant #if; consider removing it [readability-redundant-preprocessor] |
| 45 | #if FOO == 4 |
| 46 | // CHECK-NOTES: [[@LINE-3]]:2: note: previous #if was here |
| 47 | void j(); |
| 48 | #endif |
| 49 | #endif |
| 50 | |
| 51 | #if FOO == 3 + 1 |
| 52 | // CHECK-NOTES: [[@LINE+1]]:2: warning: nested redundant #if; consider removing it [readability-redundant-preprocessor] |
| 53 | #if FOO == 3 + 1 |
| 54 | // CHECK-NOTES: [[@LINE-3]]:2: note: previous #if was here |
| 55 | void j(); |
| 56 | #endif |
| 57 | #endif |
| 58 | |
| 59 | #if FOO == \ |
| 60 | 4 |
| 61 | // CHECK-NOTES: [[@LINE+1]]:2: warning: nested redundant #if; consider removing it [readability-redundant-preprocessor] |
| 62 | #if FOO == \ |
| 63 | 4 |
| 64 | // CHECK-NOTES: [[@LINE-5]]:2: note: previous #if was here |
| 65 | void j(); |
| 66 | #endif |
| 67 | #endif |
| 68 | |
| 69 | // Negative #if testing. |
| 70 | #define BAR 4 |
| 71 | |
| 72 | #if FOO == 4 |
| 73 | #if BAR == 4 |
| 74 | void k(); |
| 75 | #endif |
| 76 | #endif |
| 77 | |
| 78 | #if FOO == \ |
| 79 | 4 |
| 80 | #if BAR == \ |
| 81 | 5 |
| 82 | void k(); |
| 83 | #endif |
| 84 | #endif |
| 85 | |