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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
2
3@interface I0
4@property(readonly) int x;
5@property(readonly) int y;
6@property(readonly) int z;
7-(void) setY: (int) y0;
8@end
9
10@interface I0 (Cat0)
11-(void) setX: (int) a0;
12@end
13
14@implementation I0
15@dynamic x;
16@dynamic y;
17@dynamic z;
18-(void) setY: (int) y0{}
19
20-(void) im0 {
21  self.x = 0;
22  self.y = 2;
23  self.z = 2; // expected-error {{assignment to readonly property}}
24}
25@end
26
27// Test when property is 'readonly' but it has a setter in
28// its implementation only.
29@interface I1  {
30}
31@property(readonly) int identifier;
32@end
33
34
35@implementation I1
36@dynamic identifier;
37- (void)setIdentifier:(int)ident {}
38
39- (id)initWithIdentifier:(int)Arg {
40    self.identifier = 0;
41}
42
43@end
44
45
46// Also in a category implementation
47@interface I1(CAT)
48@property(readonly) int rprop;
49@end
50
51
52@implementation I1(CAT)
53@dynamic rprop;
54- (void)setRprop:(int)ident {}
55
56- (id)initWithIdentifier:(int)Arg {
57    self.rprop = 0;
58}
59
60@end
61
62static int g_val;
63
64@interface Root
65+ alloc;
66- init;
67@end
68
69@interface Subclass : Root
70{
71    int setterOnly;
72}
73- (void) setSetterOnly:(int)value;
74@end
75
76@implementation Subclass
77- (void) setSetterOnly:(int)value {
78    setterOnly = value;
79    g_val = setterOnly;
80}
81@end
82
83@interface C {}
84// - (int)Foo;
85- (void)setFoo:(int)value;
86@end
87
88void g(int); // expected-note {{passing argument to parameter here}}
89
90void f(C *c) {
91    c.Foo = 17; // OK
92    g(c.Foo); // expected-error {{expected getter method not found on object of type 'C *'}}
93}
94
95
96void abort(void);
97int main (void) {
98    Subclass *x = [[Subclass alloc] init];
99
100    x.setterOnly = 4;   // OK
101    if (g_val != 4)
102      abort ();
103    return 0;
104}
105