summaryrefslogtreecommitdiff
path: root/clang/test/SemaObjC/foreach.m
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/SemaObjC/foreach.m')
-rw-r--r--clang/test/SemaObjC/foreach.m57
1 files changed, 57 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/foreach.m b/clang/test/SemaObjC/foreach.m
new file mode 100644
index 0000000..d0e0f7b
--- /dev/null
+++ b/clang/test/SemaObjC/foreach.m
@@ -0,0 +1,57 @@
+/* RUN: %clang_cc1 -Wall -fsyntax-only -verify -std=c89 -pedantic %s
+ */
+
+@class NSArray;
+
+void f(NSArray *a) {
+ id keys;
+ for (int i in a); /* expected-error{{selector element type 'int' is not a valid object}} */
+ for ((id)2 in a); /* expected-error{{selector element is not a valid lvalue}} */
+ for (2 in a); /* expected-error{{selector element is not a valid lvalue}} */
+
+ /* This should be ok, 'thisKey' should be scoped to the loop in question,
+ * and no diagnostics even in pedantic mode should happen.
+ * rdar://6814674
+ */
+ for (id thisKey in keys);
+ for (id thisKey in keys);
+}
+
+/* // rdar://9072298 */
+@protocol NSObject @end
+
+@interface NSObject <NSObject> {
+ Class isa;
+}
+@end
+
+typedef struct {
+ unsigned long state;
+ id *itemsPtr;
+ unsigned long *mutationsPtr;
+ unsigned long extra[5];
+} NSFastEnumerationState;
+
+@protocol NSFastEnumeration
+
+- (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len;
+
+@end
+
+int main ()
+{
+ NSObject<NSFastEnumeration>* collection = ((void*)0);
+ for (id thing in collection) { }
+
+ return 0;
+}
+
+/* rdar://problem/11068137 */
+@interface Test2
+@property (assign) id prop;
+@end
+void test2(NSObject<NSFastEnumeration> *collection) {
+ Test2 *obj;
+ for (obj.prop in collection) { /* expected-error {{selector element is not a valid lvalue}} */
+ }
+}