CFNumber.c revision e1cea75e70d76f55157749a7bcad319050492945 
1// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s &&
2// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic-new-cast -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s &&
3// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s &&
4// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic-new-cast -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s &&
5// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s &&
6// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s
7
8typedef signed long CFIndex;
9typedef const struct __CFAllocator * CFAllocatorRef;
10enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
11       kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
12       kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
13       kCFNumberCharType = 7, kCFNumberShortType = 8,
14       kCFNumberIntType = 9, kCFNumberLongType = 10,
15       kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
16       kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
17       kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
18       kCFNumberMaxType = 16 };
19typedef CFIndex CFNumberType;
20typedef const struct __CFNumber * CFNumberRef;
21extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
22
23CFNumberRef f1(unsigned char x) {
24  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.}}
25}
26
27CFNumberRef f2(unsigned short x) {
28  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.}}
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