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1// RUN: %clang_cc1 -x objective-c -fsyntax-only -verify -Wno-objc-root-class %s
2// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -verify -Wno-objc-root-class %s
3
4#if __has_attribute(objc_requires_property_definitions)
5__attribute ((objc_requires_property_definitions))
6#endif
7@interface NoAuto // expected-note 2 {{class with specified objc_requires_property_definitions attribute is declared here}}
8@property int NoAutoProp; // expected-note 2 {{property declared here}}
9@end
10
11@implementation NoAuto  // expected-warning {{property 'NoAutoProp' requires method 'NoAutoProp' to be defined}} \
12                        // expected-warning {{property 'NoAutoProp' requires method 'setNoAutoProp:'}}
13@end
14
15__attribute ((objc_requires_property_definitions))  // redundant, just for testing
16@interface Sub : NoAuto  // expected-note 3 {{class with specified objc_requires_property_definitions attribute is declared here}}
17@property (copy) id SubProperty; // expected-note 2 {{property declared here}}
18@end
19
20@implementation Sub // expected-warning {{property 'SubProperty' requires method 'SubProperty' to be defined}} \
21                    // expected-warning {{property 'SubProperty' requires method 'setSubProperty:' to be defined}}
22@end
23
24@interface Deep : Sub
25@property (copy) id DeepProperty;
26@property (copy) id DeepSynthProperty;
27@property (copy) id DeepMustSynthProperty; // expected-note {{property declared here}}
28@end
29
30@implementation Deep // expected-warning {{property 'DeepMustSynthProperty' requires method 'setDeepMustSynthProperty:' to be defined}}
31@dynamic DeepProperty;
32@synthesize DeepSynthProperty;
33- (id) DeepMustSynthProperty { return 0; }
34@end
35
36__attribute ((objc_requires_property_definitions))
37@interface Deep(CAT)  // expected-error {{attributes may not be specified on a category}}
38@end
39
40__attribute ((objc_requires_property_definitions)) // expected-error {{'objc_requires_property_definitions' attribute only applies to Objective-C interfaces}}
41@protocol P @end
42
43// rdar://13388503
44@interface NSObject @end
45@protocol Foo
46@property (readonly) char isFoo; // expected-note {{property declared here}}
47@property (readonly) char isNotFree;  // expected-note {{property declared here}}
48@end
49
50@interface Bar : NSObject <Foo>
51@end
52
53@implementation Bar
54- (char)isFoo {
55    return 0;
56}
57- (char)isNotFree {
58    return 0;
59}
60@end
61
62@interface Baz : Bar
63@end
64
65@interface Baz ()
66@property (readwrite) char isFoo; // expected-warning {{auto property synthesis will not synthesize property 'isFoo' because it is 'readwrite' but it will be synthesized 'readonly' via another property}}
67@property char Property1; // expected-warning {{auto property synthesis will not synthesize property 'Property1' because it cannot share an ivar with another synthesized property}}
68@property char Property2;
69@property (readwrite) char isNotFree; // expected-warning {{auto property synthesis will not synthesize property 'isNotFree'}}
70@end
71
72@implementation Baz { // expected-note {{detected while default synthesizing properties in class implementation}}
73    char _isFoo;
74    char _isNotFree;
75}
76@synthesize Property2 = Property1; // expected-note {{property synthesized here}}
77
78- (void) setIsNotFree : (char)Arg {
79  _isNotFree = Arg;
80}
81
82@end
83
84// More test where such warnings should not be issued.
85@protocol MyProtocol
86-(void)setProp1:(id)x;
87@end
88
89@protocol P1 <MyProtocol>
90@end
91
92@interface B
93@property (readonly) id prop;  // expected-note {{property declared here}}
94@property (readonly) id prop1;  // expected-note {{property declared here}}
95@property (readonly) id prop2;  // expected-note {{property declared here}}
96@end
97
98@interface B()
99-(void)setProp:(id)x;
100@end
101
102@interface B(cat)
103@property (readwrite) id prop2;
104@end
105
106@interface S : B<P1>
107@property (assign,readwrite) id prop; // expected-warning {{auto property synthesis will not synthesize property 'prop'}}
108@property (assign,readwrite) id prop1; // expected-warning {{auto property synthesis will not synthesize property 'prop1'}}
109@property (assign,readwrite) id prop2; // expected-warning {{auto property synthesis will not synthesize property 'prop2'}}
110@end
111
112@implementation S // expected-note 3 {{detected while default synthesizing properties in class implementation}}
113@end
114
115// rdar://14085456
116// No warning must be issued in this test.
117@interface ParentObject
118@end
119
120@protocol TestObject
121@property (readonly) int six;
122@end
123
124@interface TestObject : ParentObject <TestObject>
125@property int six;
126@end
127
128@implementation TestObject
129@synthesize six;
130@end
131
132// rdar://14094682
133// no warning in this test
134@interface ISAChallenge : NSObject {
135}
136
137@property (assign, readonly) int failureCount;
138@end
139
140@interface ISSAChallenge : ISAChallenge {
141    int _failureCount;
142}
143@property (assign, readwrite) int failureCount;
144@end
145
146@implementation ISAChallenge
147- (int)failureCount {
148    return 0;
149}
150@end
151
152@implementation ISSAChallenge
153
154@synthesize failureCount = _failureCount;
155@end
156
157__attribute ((objc_requires_property_definitions(1))) // expected-error {{'objc_requires_property_definitions' attribute takes no arguments}}
158@interface I1
159@end
160
161// rdar://15051465
162@protocol SubFooling
163  @property(nonatomic, readonly) id hoho; // expected-note 2 {{property declared here}}
164@end
165
166@protocol Fooing<SubFooling>
167  @property(nonatomic, readonly) id muahahaha; // expected-note 2 {{property declared here}}
168@end
169
170typedef NSObject<Fooing> FooObject;
171
172@interface Okay : NSObject<Fooing>
173@end
174
175@implementation Okay // expected-warning {{auto property synthesis will not synthesize property 'muahahaha' declared in protocol 'Fooing'}} expected-warning {{auto property synthesis will not synthesize property 'hoho' declared in protocol 'SubFooling'}}
176@end
177
178@interface Fail : FooObject
179@end
180
181@implementation Fail // expected-warning {{auto property synthesis will not synthesize property 'muahahaha' declared in protocol 'Fooing'}} expected-warning {{auto property synthesis will not synthesize property 'hoho' declared in protocol 'SubFooling'}}
182@end
183
184// rdar://16089191
185@class NSURL;
186
187@interface Root
188- (void)setFileURL : (NSURL *) arg;
189- (void)setFile : (NSURL *) arg;
190- (NSURL *)fileSys;
191- (void)setFileSys : (NSURL *) arg;
192- (NSURL *)fileKerl;
193@end
194
195@interface SuperClass : Root
196- (NSURL *)fileURL;
197- (NSURL *)file;
198- (NSURL *)fileLog;
199- (void)setFileLog : (NSURL *) arg;
200- (void)setFileKerl : (NSURL *) arg;
201@end
202
203@protocol r16089191Protocol
204@property (readonly) NSURL *fileURL;
205@property (copy) NSURL *file;
206@property (copy) NSURL *fileSys;
207@property (copy) NSURL *fileLog;
208@property (copy) NSURL *fileKerl;
209@end
210
211@interface SubClass : SuperClass <r16089191Protocol>
212@end
213
214@implementation SubClass
215@end
216