diff options
Diffstat (limited to 'test/Sema/block-args.c')
-rw-r--r-- | test/Sema/block-args.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Sema/block-args.c b/test/Sema/block-args.c new file mode 100644 index 000000000000..a2d8e5a86731 --- /dev/null +++ b/test/Sema/block-args.c @@ -0,0 +1,29 @@ +// RUN: clang-cc %s -fsyntax-only -verify -fblocks + +void take(void*); + +void test() { + take(^(int x){}); + take(^(int x, int y){}); + take(^(int x, int y){}); + take(^(int x, int x){}); // expected-error {{redefinition of parameter 'x'}} + + + take(^(int x) { return x+1; }); + + int (^CP)(int) = ^(int x) { return x*x; }; + take(CP); + + int arg; + ^{return 1;}(); + ^{return 2;}(arg); // expected-error {{too many arguments to block call}} + ^(void){return 3;}(1); // expected-error {{too many arguments to block call}} + ^(){return 4;}(arg); // C style (...), ok. + ^(int x, ...){return 5;}(arg, arg); // Explicit varargs, ok. +} + +int main(int argc) { + ^(int argCount) { + argCount = 3; + }(argc); +} |