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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 | 183a8dead4c3c07efe27fb2db7ede6ed7ac8e2f2 (patch) | |
| tree | c7ee77448d8ab88cfb297e2efd6bb06f78b9e16c | |
| parent | 18c407fcb25ea88a52ad48fcc4397c3616dd185d (diff) | |
Add test case for __has_warning.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141806 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Preprocessor/warning_tests.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Preprocessor/warning_tests.c b/test/Preprocessor/warning_tests.c new file mode 100644 index 0000000000..96b96efc7e --- /dev/null +++ b/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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