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| author | Ted Kremenek <kremenek@apple.com> | 2011-10-12 20:06:09 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2011-10-12 20:06:09 +0000 |
| commit | c85a47724de18868dba4507cf1f343b5fec164bc (patch) | |
| tree | c76b71a113a92e7078d58f03d228a9e5d3faec03 /clang/test/Preprocessor/warning_tests.c | |
| parent | 73a4deb33d5552ab7e3ca9bdd0d83d8ffc53c8b8 (diff) | |
| download | bcm5719-llvm-c85a47724de18868dba4507cf1f343b5fec164bc.tar.gz bcm5719-llvm-c85a47724de18868dba4507cf1f343b5fec164bc.zip | |
Add test case for __has_warning.
llvm-svn: 141806
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 00000000000..96b96efc7e6 --- /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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