| 1 | // This should warn by default. |
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| 2 | // RUN: %clang_cc1 %s 2>&1 | grep "warning: foo" |
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| 3 | |
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| 4 | // This should not emit anything. |
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| 5 | // RUN: %clang_cc1 %s -w 2>&1 | not grep diagnostic |
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| 6 | // RUN: %clang_cc1 %s -Wno-#warnings 2>&1 | not grep diagnostic |
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| 7 | // RUN: %clang_cc1 %s -Wno-cpp 2>&1 | not grep diagnostic |
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| 8 | |
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| 9 | // -Werror can map all warnings to error. |
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| 10 | // RUN: not %clang_cc1 %s -Werror 2>&1 | grep "error: foo" |
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| 11 | |
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| 12 | // -Werror can map this one warning to error. |
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| 13 | // RUN: not %clang_cc1 %s -Werror=#warnings 2>&1 | grep "error: foo" |
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| 14 | |
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| 15 | // -Wno-error= overrides -Werror. rdar://3158301 |
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| 16 | // RUN: %clang_cc1 %s -Werror -Wno-error=#warnings 2>&1 | grep "warning: foo" |
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| 17 | |
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| 18 | // -Wno-error overrides -Werror. PR4715 |
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| 19 | // RUN: %clang_cc1 %s -Werror -Wno-error 2>&1 | grep "warning: foo" |
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| 20 | |
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| 21 | #warning foo |
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| 22 | |
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| 23 | |
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