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      1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber,osx.cocoa.RetainCount -analyzer-store=region -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s
      2 // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber,osx.cocoa.RetainCount -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s
      3 
      4 typedef signed long CFIndex;
      5 typedef const struct __CFAllocator * CFAllocatorRef;
      6 enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
      7        kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
      8        kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
      9        kCFNumberCharType = 7, kCFNumberShortType = 8,
     10        kCFNumberIntType = 9, kCFNumberLongType = 10,
     11        kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
     12        kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
     13        kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
     14        kCFNumberMaxType = 16 };
     15 typedef CFIndex CFNumberType;
     16 typedef const struct __CFNumber * CFNumberRef;
     17 extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
     18 
     19 CFNumberRef f1(unsigned char x) {
     20   return CFNumberCreate(0, kCFNumberSInt16Type, &x);  // expected-warning{{An 8 bit integer is used to initialize a CFNumber object that represents a 16 bit integer. 8 bits of the CFNumber value will be garbage.}}
     21 }
     22 
     23 __attribute__((cf_returns_retained)) CFNumberRef f2(unsigned short x) {
     24   return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{A 16 bit integer is used to initialize a CFNumber object that represents an 8 bit integer. 8 bits of the input integer will be lost.}}
     25 }
     26 
     27 // test that the attribute overrides the naming convention.
     28 __attribute__((cf_returns_not_retained)) CFNumberRef CreateNum(unsigned char x) {
     29   return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{leak}}
     30 }
     31 
     32 CFNumberRef f3(unsigned i) {
     33   return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer.}}
     34 }
     35