| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wno-undef %s |
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| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -Wno-undef -Wno-unknown-warning-option -DAVOID_UNKNOWN_WARNING %s |
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| 3 | // rdar://2362963 |
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| 4 | |
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| 5 | #if FOO // ok. |
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| 6 | #endif |
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| 7 | |
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| 8 | #pragma GCC diagnostic warning "-Wundef" |
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| 9 | |
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| 10 | #if FOO // expected-warning {{'FOO' is not defined}} |
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| 11 | #endif |
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| 12 | |
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| 13 | #pragma GCC diagnostic ignored "-Wun" "def" |
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| 14 | |
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| 15 | #if FOO // ok. |
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| 16 | #endif |
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| 17 | |
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| 18 | #pragma GCC diagnostic error "-Wundef" |
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| 19 | |
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| 20 | #if FOO // expected-error {{'FOO' is not defined}} |
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| 21 | #endif |
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| 22 | |
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| 23 | |
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| 24 | #define foo error |
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| 25 | #pragma GCC diagnostic foo "-Wundef" // expected-warning {{pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'}} |
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| 26 | |
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| 27 | #pragma GCC diagnostic error 42 // expected-error {{expected string literal in pragma diagnostic}} |
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| 28 | |
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| 29 | #pragma GCC diagnostic error "-Wundef" 42 // expected-warning {{unexpected token in pragma diagnostic}} |
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| 30 | #pragma GCC diagnostic error "invalid-name" // expected-warning {{pragma diagnostic expected option name (e.g. "-Wundef")}} |
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| 31 | |
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| 32 | #pragma GCC diagnostic error "-Winvalid-name" |
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| 33 | #ifndef AVOID_UNKNOWN_WARNING |
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| 34 | // expected-warning@-2 {{unknown warning group '-Winvalid-name', ignored}} |
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| 35 | #endif |
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| 36 | |
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| 37 | // Testing pragma clang diagnostic with -Weverything |
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| 38 | void ppo(){} // First test that we do not diagnose on this. |
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| 39 | |
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| 40 | #pragma clang diagnostic warning "-Weverything" |
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| 41 | void ppp(){} // expected-warning {{no previous prototype for function 'ppp'}} |
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| 42 | |
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| 43 | #pragma clang diagnostic ignored "-Weverything" // Reset it. |
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| 44 | void ppq(){} |
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| 45 | |
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| 46 | #pragma clang diagnostic error "-Weverything" // Now set to error |
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| 47 | void ppr(){} // expected-error {{no previous prototype for function 'ppr'}} |
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| 48 | |
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| 49 | #pragma clang diagnostic warning "-Weverything" // This should not be effective |
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| 50 | void pps(){} // expected-error {{no previous prototype for function 'pps'}} |
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| 51 | |
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