clang/test/Analysis/refcnt_naming.m

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -analyzer-config ipa=none -verify %s
   2
   3 typedef const struct __CFString * CFStringRef;
   4 typedef const struct __CFAllocator * CFAllocatorRef;
   5 typedef const struct __CFURL * CFURLRef;
   6 extern CFURLRef CFURLCreateWithString(CFAllocatorRef allocator, CFStringRef URLString, CFURLRef baseURL);
   7 typedef signed char BOOL;
   8 @protocol NSObject  - (BOOL)isEqual:(id)object; @end
   9 @interface NSObject <NSObject> {} @end
  10 @class NSArray, NSString, NSURL;
  11
  12 @interface NamingTest : NSObject {}
  13 -(NSObject*)copyPhoto;
  14 -(NSObject*)mutableCopyPhoto;
  15 -(NSObject*)mutable;
  16 -(NSObject*)mutableCopying;
  17 -(NSObject*)photocopy;    // read as "photocopy"
  18 -(NSObject*)photoCopy;    // read as "photo Copy"
  19 -(NSObject*)__blebPRCopy; // read as "bleb PRCopy"
  20 -(NSObject*)__blebPRcopy; // read as "bleb P Rcopy"
  21 -(NSObject*)new_theprefixdoescount; // read as "new theprefixdoescount"
  22 -(NSObject*)newestAwesomeStuff; // read as "newest awesome stuff"
  23
  24 @end
  25
  26 @interface MyClass : NSObject
  27 {
  28   id myObject;
  29 }
  30 - (NSURL *)myMethod:(NSString *)inString;
  31 - (NSURL *)getMethod:(NSString*)inString;
  32 - (NSURL *)getMethod2:(NSString*)inString;
  33 - (void)addObject:(id) __attribute__((ns_consumed)) X;
  34 - (void)addObject2:(id) X;
  35 @end
  36
  37 @implementation MyClass
  38
  39 - (NSURL *)myMethod:(NSString *)inString
  40 {
  41   NSURL *url = (NSURL *)CFURLCreateWithString(0, (CFStringRef)inString, 0); // expected-warning{{leak}}
  42   return url;
  43 }
  44
  45 - (NSURL *)getMethod:(NSString *)inString
  46 {
  47   NSURL *url = (NSURL *)CFURLCreateWithString(0, (CFStringRef)inString, 0);
  48   [self addObject:url];
  49   return url; // no-warning
  50 }
  51
  52 - (NSURL *)getMethod2:(NSString *)inString
  53 {
  54   NSURL *url = (NSURL *)CFURLCreateWithString(0, (CFStringRef)inString, 0); // expected-warning{{leak}}
  55   [self addObject2:url];
  56   return url;
  57 }
  58
  59 void testNames(NamingTest* x) {
  60   [x copyPhoto]; // expected-warning{{leak}}
  61   [x mutableCopyPhoto]; // expected-warning{{leak}}
  62   [x mutable]; // no-warning
  63   [x mutableCopying]; // no-warning
  64   [x photocopy]; // no-warning
  65   [x photoCopy]; // no-warning
  66   [x __blebPRCopy]; // no-warning
  67   [x __blebPRcopy]; // no-warning
  68   [x new_theprefixdoescount]; // expected-warning{{leak}}
  69   [x newestAwesomeStuff]; // no-warning
  70 }
  71
  72
  73 - (void)addObject:(id)X
  74 {
  75   myObject = X;
  76 }
  77
  78 - (void)addObject2:(id)X
  79 {
  80   myObject = X;
  81 }
  82
  83 @end
  84