diff options
Diffstat (limited to 'test/Preprocessor/macro_fn.c')
-rw-r--r-- | test/Preprocessor/macro_fn.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Preprocessor/macro_fn.c b/test/Preprocessor/macro_fn.c new file mode 100644 index 0000000000..8dc8b77d6d --- /dev/null +++ b/test/Preprocessor/macro_fn.c @@ -0,0 +1,27 @@ +/* RUN: clang-cc %s -Eonly -std=c89 -pedantic -verify +*/ +/* PR3937 */ +#define zero() 0 +#define one(x) 0 +#define two(x, y) 0 + +zero() +zero(1); /* expected-error {{too many arguments provided to function-like macro invocation}} */ +zero(1, 2, 3); /* expected-error {{too many arguments provided to function-like macro invocation}} */ + +one() /* ok */ +one(a) +one(a,) /* expected-error {{too many arguments provided to function-like macro invocation}} */ +one(a, b) /* expected-error {{too many arguments provided to function-like macro invocation}} */ + +two() /* expected-error {{too few arguments provided to function-like macro invocation}} */ +two(a) /* expected-error {{too few arguments provided to function-like macro invocation}} */ +two(a,b) +two(a, ) /* expected-warning {{empty macro arguments were standardized in C99}} */ +two(a,b,c) /* expected-error {{too many arguments provided to function-like macro invocation}} */ +two( + , /* expected-warning {{empty macro arguments were standardized in C99}} */ + , /* expected-warning {{empty macro arguments were standardized in C99}} \ + expected-error {{too many arguments provided to function-like macro invocation}} */ + ) +two(,) /* expected-warning 2 {{empty macro arguments were standardized in C99}} */ |