diff options
Diffstat (limited to 'test/Sema/block-call.c')
-rw-r--r-- | test/Sema/block-call.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/Sema/block-call.c b/test/Sema/block-call.c new file mode 100644 index 000000000000..9d3ff71e2195 --- /dev/null +++ b/test/Sema/block-call.c @@ -0,0 +1,55 @@ +// RUN: clang-cc -fsyntax-only -verify %s -fblocks + +int (*FP)(); +int (^IFP) (); +int (^II) (int); +int main() { + int (*FPL) (int) = FP; // C doesn't consider this an error. + + // For Blocks, the ASTContext::typesAreBlockCompatible() makes sure this is an error. + int (^PFR) (int) = IFP; // expected-error {{incompatible block pointer types initializing 'int (^)()', expected 'int (^)(int)'}} + PFR = II; // OK + + int (^IFP) () = PFR; + + + const int (^CIC) () = IFP; // expected-error {{incompatible block pointer types initializing 'int (^)()', expected 'int const (^)()'}} + + + const int (^CICC) () = CIC; + + int * const (^IPCC) () = 0; + + int * const (^IPCC1) () = IPCC; + + int * (^IPCC2) () = IPCC; // expected-error {{incompatible block pointer types initializing 'int *const (^)()', expected 'int *(^)()'}} + + int (^IPCC3) (const int) = PFR; + + + int (^IPCC4) (int, char (^CArg) (double)); + + + int (^IPCC5) (int, char (^CArg) (double)) = IPCC4; + + int (^IPCC6) (int, char (^CArg) (float)) = IPCC4; // expected-error {{incompatible block pointer types initializing 'int (^)(int, char (^)(double))', expected 'int (^)(int, char (^)(float))'}} + + IPCC2 = 0; + IPCC2 = 1; // expected-error {{invalid conversion assigning integer 'int', expected block pointer 'int *(^)()'}} + int (^x)() = 0; + int (^y)() = 3; // expected-error {{invalid conversion initializing integer 'int', expected block pointer 'int (^)()'}} + int a = 1; + int (^z)() = a+4; // expected-error {{invalid conversion initializing integer 'int', expected block pointer 'int (^)()'}} +} + +int blah() { + int (^IFP) (float); + char (^PCP)(double, double, char); + + IFP(1.0); + IFP (1.0, 2.0); // expected-error {{too many arguments to block call}} + + char ch = PCP(1.0, 2.0, 'a'); + return PCP(1.0, 2.0); // expected-error {{too few arguments to block}} +} + |