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Diffstat (limited to 'clang/test/Preprocessor/warning_tests.c')
| -rw-r--r-- | clang/test/Preprocessor/warning_tests.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/warning_tests.c b/clang/test/Preprocessor/warning_tests.c new file mode 100644 index 0000000..96b96ef --- /dev/null +++ b/clang/test/Preprocessor/warning_tests.c @@ -0,0 +1,19 @@ +// RUN: %clang_cc1 -fsyntax-only %s -verify +#ifndef __has_warning +#error Should have __has_warning +#endif + +#if __has_warning("not valid") // expected-warning {{__has_warning expected option name}} +#endif + +#if __has_warning("-Wparentheses") +#warning Should have -Wparentheses // expected-warning {{Should have -Wparentheses}} +#endif + +#if __has_warning(-Wfoo) // expected-error {{builtin warning check macro requires a parenthesized string}} +#endif + +#if __has_warning("-Wnot-a-valid-warning-flag-at-all") +#else +#warning Not a valid warning flag // expected-warning {{Not a valid warning flag}} +#endif
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