1// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,osx.cocoa.NonNilReturnValue,debug.ExprInspection -analyzer-store=region -verify %s
2
3void clang_analyzer_eval(int);
4
5typedef signed char BOOL;
6typedef long NSInteger;
7typedef unsigned long NSUInteger;
8@interface NSString @end
9@interface NSString (NSStringExtensionMethods)
10+ (id)stringWithUTF8String:(const char *)nullTerminatedCString;
11@end
12
13@interface NSNumber
14+ (NSNumber *)numberWithChar:(char)value;
15+ (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
16+ (NSNumber *)numberWithShort:(short)value;
17+ (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
18+ (NSNumber *)numberWithInt:(int)value;
19+ (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
20+ (NSNumber *)numberWithLong:(long)value;
21+ (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
22+ (NSNumber *)numberWithLongLong:(long long)value;
23+ (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
24+ (NSNumber *)numberWithFloat:(float)value;
25+ (NSNumber *)numberWithDouble:(double)value;
26+ (NSNumber *)numberWithBool:(BOOL)value;
27+ (NSNumber *)numberWithInteger:(NSInteger)value ;
28+ (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value ;
29@end
30
31
32extern char *strdup(const char *str);
33
34id constant_string() {
35    return @("boxed constant string.");
36}
37
38id dynamic_string() {
39    return @(strdup("boxed dynamic string")); // expected-warning{{Potential memory leak}}
40}
41
42id const_char_pointer(int *x) {
43  if (x)
44    return @(3);
45  return @(*x); // expected-warning {{Dereference of null pointer (loaded from variable 'x')}}
46}
47
48void checkNonNil() {
49  clang_analyzer_eval(!!@3); // expected-warning{{TRUE}}
50  clang_analyzer_eval(!!@(3+4)); // expected-warning{{TRUE}}
51  clang_analyzer_eval(!!@(57.0)); // expected-warning{{TRUE}}
52
53  const char *str = "abc";
54  clang_analyzer_eval(!!@(str)); // expected-warning{{TRUE}}
55  clang_analyzer_eval(!!@__objc_yes); // expected-warning{{TRUE}}
56}
57
58