| 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 | |
| Jordan Rose | 78541c4 | 2012-07-11 19:58:23 +0000 | [diff] [blame] | 9 | // expected-warning@+2 {{Should have -Wparentheses}} |
| Ted Kremenek | 183a8de | 2011-10-12 20:06:09 +0000 | [diff] [blame] | 10 | #if __has_warning("-Wparentheses") |
| Jordan Rose | 78541c4 | 2012-07-11 19:58:23 +0000 | [diff] [blame] | 11 | #warning Should have -Wparentheses |
| Ted Kremenek | 183a8de | 2011-10-12 20:06:09 +0000 | [diff] [blame] | 12 | #endif |
| 13 | |
| Andy Gibbs | b9971ba | 2012-11-17 19:14:53 +0000 | [diff] [blame^] | 14 | // expected-error@+2 {{builtin warning check macro requires a parenthesized string}} |
| 15 | // expected-error@+1 {{expected value in expression}} |
| 16 | #if __has_warning(-Wfoo) |
| Ted Kremenek | 183a8de | 2011-10-12 20:06:09 +0000 | [diff] [blame] | 17 | #endif |
| 18 | |
| Jordan Rose | 78541c4 | 2012-07-11 19:58:23 +0000 | [diff] [blame] | 19 | // expected-warning@+3 {{Not a valid warning flag}} |
| Ted Kremenek | 183a8de | 2011-10-12 20:06:09 +0000 | [diff] [blame] | 20 | #if __has_warning("-Wnot-a-valid-warning-flag-at-all") |
| 21 | #else |
| Jordan Rose | 78541c4 | 2012-07-11 19:58:23 +0000 | [diff] [blame] | 22 | #warning Not a valid warning flag |
| 23 | #endif |