1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/Sema/block-args.c b/clang/test/Sema/block-args.c
new file mode 100644
index 0000000..5ee383e
--- /dev/null
+++ b/clang/test/Sema/block-args.c
@@ -0,0 +1,47 @@
+// RUN: %clang_cc1 %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,      // expected-note {{previous declaration is here}}
+         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); // expected-error {{too many arguments to block call}}
+  ^(int x, ...){return 5;}(arg, arg);   // Explicit varargs, ok.
+}
+
+int main(int argc, char** argv) {
+  ^(int argCount) {
+    argCount = 3;
+  }(argc);
+}
+
+// radar 7528255
+void f0() {
+  ^(int, double d, char) {}(1, 1.34, 'a'); // expected-error {{parameter name omitted}} \
+				 	   // expected-error {{parameter name omitted}}
+}
+
+// rdar://problem/8962770
+void test4() {
+  int (^f)() = ^((x)) { }; // expected-error {{expected ')'}} expected-warning {{type specifier missing}} expected-note {{to match this}}
+}
+
+// rdar://problem/9170609
+void test5_helper(void (^)(int, int[*]));
+void test5(void) {
+  test5_helper(^(int n, int array[n]) {});
+}