| 1 | // RUN: %clang_cc1 -fsyntax-only -Wunused-property-ivar -verify -Wno-objc-root-class %s |
| 2 | // rdar://14989999 |
| 3 | |
| 4 | @interface NSObject @end |
| 5 | |
| 6 | @interface Example : NSObject |
| 7 | @property (nonatomic, copy) id t; // expected-note {{property declared here}} |
| 8 | @property (nonatomic, copy) id u; // expected-note {{property declared here}} |
| 9 | @property (nonatomic, copy) id v; // expected-note {{property declared here}} |
| 10 | @property (nonatomic, copy) id w; |
| 11 | @property (nonatomic, copy) id x; // expected-note {{property declared here}} |
| 12 | @property (nonatomic, copy) id y; // expected-note {{property declared here}} |
| 13 | @property (nonatomic, copy) id z; |
| 14 | @property (nonatomic, copy) id ok; |
| 15 | @end |
| 16 | |
| 17 | @implementation Example |
| 18 | - (void) setX:(id)newX { // expected-warning {{ivar '_x' which backs the property is not referenced in this property's accessor}} |
| 19 | _y = newX; |
| 20 | } |
| 21 | - (id) y { // expected-warning {{ivar '_y' which backs the property is not referenced in this property's accessor}} |
| 22 | return _v; |
| 23 | } |
| 24 | |
| 25 | - (void) setV:(id)newV { // expected-warning {{ivar '_v' which backs the property is not referenced in this property's accessor}} |
| 26 | _y = newV; |
| 27 | } |
| 28 | |
| 29 | // No warning here because there is no backing ivar. |
| 30 | // both setter/getter are user defined. |
| 31 | - (void) setW:(id)newW { |
| 32 | _y = newW; |
| 33 | } |
| 34 | - (id) w { |
| 35 | return _v; |
| 36 | } |
| 37 | |
| 38 | - (id) u { // expected-warning {{ivar '_u' which backs the property is not referenced in this property's accessor}} |
| 39 | return _v; |
| 40 | } |
| 41 | |
| 42 | @synthesize ok = okIvar; |
| 43 | - (void) setOk:(id)newOk { |
| 44 | okIvar = newOk; |
| 45 | } |
| 46 | |
| 47 | @synthesize t = tIvar; |
| 48 | - (void) setT:(id)newT { // expected-warning {{ivar 'tIvar' which backs the property is not referenced in this property's accessor}} |
| 49 | okIvar = newT; |
| 50 | } |
| 51 | @end |
| 52 | |
| 53 | // rdar://15473432 |
| 54 | typedef char BOOL; |
| 55 | @interface CalDAVServerVersion { |
| 56 | BOOL _supportsTimeRangeFilterWithoutEndDate; |
| 57 | } |
| 58 | @property (nonatomic, readonly,nonatomic) BOOL supportsTimeRangeFilterWithoutEndDate; |
| 59 | @end |
| 60 | |
| 61 | @interface CalDAVConcreteServerVersion : CalDAVServerVersion { |
| 62 | } |
| 63 | @end |
| 64 | |
| 65 | @interface CalendarServerVersion : CalDAVConcreteServerVersion |
| 66 | @end |
| 67 | |
| 68 | @implementation CalDAVServerVersion |
| 69 | @synthesize supportsTimeRangeFilterWithoutEndDate=_supportsTimeRangeFilterWithoutEndDate; |
| 70 | @end |
| 71 | |
| 72 | @implementation CalendarServerVersion |
| 73 | -(BOOL)supportsTimeRangeFilterWithoutEndDate { |
| 74 | return 0; |
| 75 | } |
| 76 | @end |
| 77 | |
| 78 | // rdar://15630719 |
| 79 | @interface CDBModifyRecordsOperation : NSObject |
| 80 | @property (nonatomic, assign) BOOL atomic; |
| 81 | @end |
| 82 | |
| 83 | @class NSString; |
| 84 | |
| 85 | @implementation CDBModifyRecordsOperation |
| 86 | - (void)setAtomic:(BOOL)atomic { |
| 87 | if (atomic == __objc_yes) { |
| 88 | NSString *recordZoneID = 0; |
| 89 | } |
| 90 | _atomic = atomic; |
| 91 | } |
| 92 | @end |
| 93 | |
| 94 | // rdar://15728901 |
| 95 | @interface GATTOperation : NSObject { |
| 96 | long operation; |
| 97 | } |
| 98 | @property(assign) long operation; |
| 99 | @end |
| 100 | |
| 101 | @implementation GATTOperation |
| 102 | @synthesize operation; |
| 103 | + (id) operation { |
| 104 | return 0; |
| 105 | } |
| 106 | @end |
| 107 | |
| 108 | // rdar://15727327 |
| 109 | @interface Radar15727327 : NSObject |
| 110 | @property (assign, readonly) long p; |
| 111 | @property (assign) long q; // expected-note 2 {{property declared here}} |
| 112 | @property (assign, readonly) long r; // expected-note {{property declared here}} |
| 113 | - (long)Meth; |
| 114 | @end |
| 115 | |
| 116 | @implementation Radar15727327 |
| 117 | @synthesize p; |
| 118 | @synthesize q; |
| 119 | @synthesize r; |
| 120 | - (long)Meth { return p; } |
| 121 | - (long) p { [self Meth]; return 0; } |
| 122 | - (long) q { return 0; } // expected-warning {{ivar 'q' which backs the property is not referenced in this property's accessor}} |
| 123 | - (void) setQ : (long) val { } // expected-warning {{ivar 'q' which backs the property is not referenced in this property's accessor}} |
| 124 | - (long) r { [self Meth]; return p; } // expected-warning {{ivar 'r' which backs the property is not referenced in this property's accessor}} |
| 125 | @end |
| 126 | |
| 127 | @interface I1 |
| 128 | @property (readonly) int p1; |
| 129 | @property (readonly) int p2; // expected-note {{property declared here}} |
| 130 | @end |
| 131 | |
| 132 | @implementation I1 |
| 133 | @synthesize p1=_p1; |
| 134 | @synthesize p2=_p2; |
| 135 | |
| 136 | -(int)p1 { |
| 137 | return [self getP1]; |
| 138 | } |
| 139 | -(int)getP1 { |
| 140 | return _p1; |
| 141 | } |
| 142 | -(int)getP2 { |
| 143 | return _p2; |
| 144 | } |
| 145 | -(int)p2 { // expected-warning {{ivar '_p2' which backs the property is not referenced in this property's accessor}} |
| 146 | Radar15727327 *o; |
| 147 | return [o Meth]; |
| 148 | } |
| 149 | @end |
| 150 | |
| 151 | // rdar://15873425 |
| 152 | @protocol MyProtocol |
| 153 | @property (nonatomic, readonly) int myProperty; |
| 154 | @end |
| 155 | |
| 156 | @interface MyFirstClass : NSObject <MyProtocol> |
| 157 | @end |
| 158 | |
| 159 | @interface MySecondClass : NSObject <MyProtocol> |
| 160 | @end |
| 161 | |
| 162 | @implementation MyFirstClass |
| 163 | @synthesize myProperty; |
| 164 | @end |
| 165 | |
| 166 | @implementation MySecondClass |
| 167 | @dynamic myProperty; |
| 168 | -(int)myProperty // should not warn; property is dynamic |
| 169 | { |
| 170 | return 0; |
| 171 | } |
| 172 | @end |
| 173 | |
| 174 | // rdar://15890251 |
| 175 | @class NSURL; |
| 176 | |
| 177 | @protocol MCCIDURLProtocolDataProvider |
| 178 | @required |
| 179 | @property(strong, atomic, readonly) NSURL *cidURL; |
| 180 | @property(strong, atomic, readonly) NSURL *cidURL1; // expected-note {{property declared here}} |
| 181 | @end |
| 182 | |
| 183 | @interface UnrelatedClass : NSObject <MCCIDURLProtocolDataProvider> |
| 184 | @end |
| 185 | |
| 186 | @implementation UnrelatedClass |
| 187 | @synthesize cidURL = _cidURL; |
| 188 | @synthesize cidURL1 = _cidURL1; |
| 189 | @end |
| 190 | |
| 191 | @interface MUIWebAttachmentController : NSObject <MCCIDURLProtocolDataProvider> |
| 192 | @end |
| 193 | |
| 194 | |
| 195 | @implementation MUIWebAttachmentController |
| 196 | - (NSURL *)cidURL { |
| 197 | return 0; |
| 198 | } |
| 199 | @synthesize cidURL1 = _cidURL1; |
| 200 | - (NSURL *)cidURL1 { // expected-warning {{ivar '_cidURL1' which backs the property is not referenced in this property's accessor}} |
| 201 | return 0; |
| 202 | } |
| 203 | @end |
| 204 | |