| %module xxx |
| |
| |
| /* Divide by zero */ |
| #define ZERO 0 |
| |
| #if 1%ZERO |
| #endif |
| #if 2/ZERO |
| #endif |
| |
| #if 1%(5-5) |
| #endif |
| #if 2/(55-55) |
| #endif |
| |
| /* Floating point */ |
| #if 1.2 |
| #endif |
| |
| #if 2e3 |
| #endif |
| |
| #if 0 |
| #elif 8.8 |
| #endif |
| |
| /* Missing whitespace after preproc directive */ |
| #if123 |
| #endif |
| |
| #if456e |
| #endif |
| |
| #if 0 |
| #warning This should not warn |
| #elif1 |
| #warning This should also not warn |
| #endif |
| |
| #if(1) |
| #warning Warning okay: #if(1) |
| #endif |
| |
| /* The SWIG preprocessor support strings with equality/inequality tests. |
| * Check error cases. |
| */ |
| #if "TWO" == 1 |
| #endif |
| |
| /* This didn't fail prior with SWIG < 4.1. Github #1384. */ |
| #if 1 == ("TWO") |
| #endif |
| |
| /* These should all give errors. */ |
| #if "1" |
| #endif |
| #if -"1" |
| #endif |
| #if "1" == -"-1" |
| #endif |
| #if "1" == !"-1" |
| #endif |
| #if "1" == ~"1" |
| #endif |
| /* Unary + was a no-op and so this didn't give an error in SWIG < 4.1.0. */ |
| #if "1" == +"1" |
| #endif |
| |
| /* Spaceship operator doesn't seem to be allowed in preprocessor expressions, |
| * and isn't valid in C at all. |
| */ |
| #if (4 <=> 2) < 0 |
| #endif |
| |
| /* Check handling of use of an undefined function-like macro. */ |
| #if MY_VERSION_AT_LEAST(1,2,3) |
| #warning This should not warn |
| #endif |