forked from OSchip/llvm-project
58 lines
1.9 KiB
Objective-C
58 lines
1.9 KiB
Objective-C
// RUN: %clang_cc1 -Wno-objc-literal-conversion -analyze -analyzer-checker=core,unix.Malloc,osx.cocoa.NonNilReturnValue,debug.ExprInspection -analyzer-store=region -verify %s
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void clang_analyzer_eval(int);
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typedef signed char BOOL;
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typedef long NSInteger;
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typedef unsigned long NSUInteger;
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@interface NSString @end
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@interface NSString (NSStringExtensionMethods)
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+ (id)stringWithUTF8String:(const char *)nullTerminatedCString;
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@end
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@interface NSNumber
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+ (NSNumber *)numberWithChar:(char)value;
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+ (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
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+ (NSNumber *)numberWithShort:(short)value;
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+ (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
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+ (NSNumber *)numberWithInt:(int)value;
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+ (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
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+ (NSNumber *)numberWithLong:(long)value;
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+ (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
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+ (NSNumber *)numberWithLongLong:(long long)value;
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+ (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
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+ (NSNumber *)numberWithFloat:(float)value;
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+ (NSNumber *)numberWithDouble:(double)value;
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+ (NSNumber *)numberWithBool:(BOOL)value;
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+ (NSNumber *)numberWithInteger:(NSInteger)value ;
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+ (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value ;
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@end
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extern char *strdup(const char *str);
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id constant_string() {
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return @("boxed constant string.");
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}
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id dynamic_string() {
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return @(strdup("boxed dynamic string")); // expected-warning{{Potential memory leak}}
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}
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id const_char_pointer(int *x) {
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if (x)
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return @(3);
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return @(*x); // expected-warning {{Dereference of null pointer (loaded from variable 'x')}}
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}
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void checkNonNil() {
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clang_analyzer_eval(!!@3); // expected-warning{{TRUE}}
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clang_analyzer_eval(!!@(3+4)); // expected-warning{{TRUE}}
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clang_analyzer_eval(!!@(57.0)); // expected-warning{{TRUE}}
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const char *str = "abc";
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clang_analyzer_eval(!!@(str)); // expected-warning{{TRUE}}
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clang_analyzer_eval(!!@__objc_yes); // expected-warning{{TRUE}}
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}
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