| Ted Kremenek | 183a8de | 2011-10-12 20:06:09 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -fsyntax-only %s -verify |
| 2 | #ifndef __has_warning |
| 3 | #error Should have __has_warning |
| 4 | #endif |
| 5 | |
| 6 | #if __has_warning("not valid") // expected-warning {{__has_warning expected option name}} |
| 7 | #endif |
| 8 | |
| 9 | #if __has_warning("-Wparentheses") |
| 10 | #warning Should have -Wparentheses // expected-warning {{Should have -Wparentheses}} |
| 11 | #endif |
| 12 | |
| 13 | #if __has_warning(-Wfoo) // expected-error {{builtin warning check macro requires a parenthesized string}} |
| 14 | #endif |
| 15 | |
| 16 | #if __has_warning("-Wnot-a-valid-warning-flag-at-all") |
| 17 | #else |
| 18 | #warning Not a valid warning flag // expected-warning {{Not a valid warning flag}} |
| 19 | #endif |