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Diffstat (limited to 'test/Sema/format-strings-enum.c')
| -rw-r--r-- | test/Sema/format-strings-enum.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Sema/format-strings-enum.c b/test/Sema/format-strings-enum.c new file mode 100644 index 0000000..a6c27d0 --- /dev/null +++ b/test/Sema/format-strings-enum.c @@ -0,0 +1,36 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -verify %s +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x c++ -verify %s +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x c++ -std=c++11 -verify %s +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c -verify %s +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c++ -std=c++11 -verify %s + +#ifdef __cplusplus +# define EXTERN_C extern "C" +#else +# define EXTERN_C extern +#endif + +EXTERN_C int printf(const char *,...); + +typedef enum { Constant = 0 } TestEnum; +// Note that in C, the type of 'Constant' is 'int'. In C++ it is 'TestEnum'. +// This is why we don't check for that in the expected output. + +void test(TestEnum input) { + printf("%d", input); // no-warning + printf("%d", Constant); // no-warning + + printf("%lld", input); // expected-warning{{format specifies type 'long long' but the argument has type 'TestEnum'}} + printf("%lld", Constant); // expected-warning{{format specifies type 'long long'}} +} + + +typedef enum { LongConstant = ~0UL } LongEnum; + +void testLong(LongEnum input) { + printf("%u", input); // expected-warning{{format specifies type 'unsigned int' but the argument has type 'LongEnum'}} + printf("%u", LongConstant); // expected-warning{{format specifies type 'unsigned int'}} + + printf("%lu", input); + printf("%lu", LongConstant); +} |
