1 files changed, 75 insertions, 0 deletions
diff --git a/test/SemaObjC/boxing-illegal.m b/test/SemaObjC/boxing-illegal.m
new file mode 100644
index 0000000..59b5c8b
--- /dev/null
+++ b/test/SemaObjC/boxing-illegal.m
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -Wattributes %s
+
+typedef long NSInteger;
+typedef unsigned long NSUInteger;
+typedef signed char BOOL;
+
+@interface NSNumber
+@end
+@interface NSNumber (NSNumberCreation)
++ (NSNumber *)numberWithChar:(char)value;
++ (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
++ (NSNumber *)numberWithShort:(short)value;
++ (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
++ (NSNumber *)numberWithInt:(int)value;
++ (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
++ (NSNumber *)numberWithLong:(long)value;
++ (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
++ (NSNumber *)numberWithLongLong:(long long)value;
++ (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
++ (NSNumber *)numberWithFloat:(float)value;
++ (NSNumber *)numberWithDouble:(double)value;
++ (NSNumber *)numberWithBool:(BOOL)value;
++ (NSNumber *)numberWithInteger:(NSInteger)value;
++ (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value;
+@end
+
+typedef struct {
+    int x, y, z;
+} point;
+
+void testStruct() {
+    point p = { 0, 0, 0 };
+    id boxed = @(p);    // expected-error {{illegal type 'point' used in a boxed expression}}
+}
+
+void testPointers() {
+    void *null = 0;
+    id boxed_null = @(null);        // expected-error {{illegal type 'void *' used in a boxed expression}}
+    int numbers[] = { 0, 1, 2 };
+    id boxed_numbers = @(numbers);  // expected-error {{illegal type 'int *' used in a boxed expression}}
+}
+
+void testInvalid() {
+  @(not_defined); // expected-error {{use of undeclared identifier 'not_defined'}}
+}
+
+enum MyEnum {
+  ME_foo
+};
+
+enum ForwE;
+
+void testEnum(void *p) {
+  enum MyEnum myen;
+  id box = @(myen);
+  box = @(ME_foo);
+  box = @(*(enum ForwE*)p); // expected-error {{incomplete type 'enum ForwE' used in a boxed expression}}
+}
+
+// rdar://13333205
+@class NSMutableDictionary;
+
+@interface NSMutableArray
++ (NSMutableArray*) array;
+@end
+
+NSMutableDictionary* mBars;
+
+__attribute((objc_root_class)) @interface rdar13333205 @end
+
+@implementation rdar13333205
+- (void) insertBar:(id)preset ofKind:(id) kind atIndex:(int)index {
+  NSMutableArray* presetArray = mBars[kind] ?: [NSMutableArray array]; // expected-error {{expected method to read dictionary element not found on object of type 'NSMutableDictionary *'}}
+}
+@end