1*67e74705SXin Li // 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
2*67e74705SXin Li
3*67e74705SXin Li typedef signed long CFIndex;
4*67e74705SXin Li typedef const struct __CFAllocator * CFAllocatorRef;
5*67e74705SXin Li enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
6*67e74705SXin Li kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
7*67e74705SXin Li kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
8*67e74705SXin Li kCFNumberCharType = 7, kCFNumberShortType = 8,
9*67e74705SXin Li kCFNumberIntType = 9, kCFNumberLongType = 10,
10*67e74705SXin Li kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
11*67e74705SXin Li kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
12*67e74705SXin Li kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
13*67e74705SXin Li kCFNumberMaxType = 16 };
14*67e74705SXin Li typedef CFIndex CFNumberType;
15*67e74705SXin Li typedef const struct __CFNumber * CFNumberRef;
16*67e74705SXin Li extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
17*67e74705SXin Li
f1(unsigned char x)18*67e74705SXin Li CFNumberRef f1(unsigned char x) {
19*67e74705SXin Li 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}}
20*67e74705SXin Li }
21*67e74705SXin Li
f2(unsigned short x)22*67e74705SXin Li __attribute__((cf_returns_retained)) CFNumberRef f2(unsigned short x) {
23*67e74705SXin Li 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}}
24*67e74705SXin Li }
25*67e74705SXin Li
26*67e74705SXin Li // test that the attribute overrides the naming convention.
CreateNum(unsigned char x)27*67e74705SXin Li __attribute__((cf_returns_not_retained)) CFNumberRef CreateNum(unsigned char x) {
28*67e74705SXin Li return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{leak}}
29*67e74705SXin Li }
30*67e74705SXin Li
f3(unsigned i)31*67e74705SXin Li CFNumberRef f3(unsigned i) {
32*67e74705SXin Li return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer}}
33*67e74705SXin Li }
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