1// 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
3typedef signed long CFIndex;
4typedef const struct __CFAllocator * CFAllocatorRef;
5enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
6       kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
7       kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
8       kCFNumberCharType = 7, kCFNumberShortType = 8,
9       kCFNumberIntType = 9, kCFNumberLongType = 10,
10       kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
11       kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
12       kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
13       kCFNumberMaxType = 16 };
14typedef CFIndex CFNumberType;
15typedef const struct __CFNumber * CFNumberRef;
16extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
17
18CFNumberRef f1(unsigned char x) {
19  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}
21
22__attribute__((cf_returns_retained)) CFNumberRef f2(unsigned short x) {
23  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}
25
26// test that the attribute overrides the naming convention.
27__attribute__((cf_returns_not_retained)) CFNumberRef CreateNum(unsigned char x) {
28  return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{leak}}
29}
30
31CFNumberRef f3(unsigned i) {
32  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}
34