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-rw-r--r--test/Analysis/objc/direct-ivar-assignment-in-annotated-functions.m63
1 files changed, 63 insertions, 0 deletions
diff --git a/test/Analysis/objc/direct-ivar-assignment-in-annotated-functions.m b/test/Analysis/objc/direct-ivar-assignment-in-annotated-functions.m
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+++ b/test/Analysis/objc/direct-ivar-assignment-in-annotated-functions.m
@@ -0,0 +1,63 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=alpha.osx.cocoa.DirectIvarAssignmentForAnnotatedFunctions -fobjc-default-synthesize-properties -verify -fblocks %s
+
+typedef signed char BOOL;
+@protocol NSObject - (BOOL)isEqual:(id)object; @end
+@interface NSObject <NSObject> {}
++(id)alloc;
+-(id)init;
+-(id)autorelease;
+-(id)copy;
+-(id)retain;
+@end
+
+@interface MyClass;
+@end
+
+@interface AnnotatedClass : NSObject {
+}
+ - (void) someMethod: (MyClass*)In __attribute__((annotate("objc_no_direct_instance_variable_assignment")));
+ - (void) someMethodNotAnnaotated: (MyClass*)In;
+@end
+
+
+@interface TestProperty : AnnotatedClass {
+ MyClass *_Z;
+ id _nonSynth;
+ MyClass* _NotA __attribute__((annotate("objc_allow_direct_instance_variable_assignment")));
+}
+
+ @property (assign, nonatomic) MyClass* A; // explicitely synthesized, not implemented, non-default ivar name
+
+ @property (assign) MyClass* X; // automatically synthesized, not implemented
+
+ @property (assign, nonatomic) MyClass* Y; // automatically synthesized, implemented
+
+ @property (assign, nonatomic) MyClass* Z; // non synthesized ivar, implemented setter
+ @property (readonly) id nonSynth; // non synthesized, explicitly implemented to return ivar with expected name
+
+ @property (assign) MyClass* NotA; // warnings should be suppressed, backing ivar is annotated
+ @property (assign) MyClass* NotX __attribute__((annotate("objc_allow_direct_instance_variable_assignment"))); // warnings should be suppressed
+
+ @end
+
+@implementation TestProperty
+ @synthesize A = __A;
+
+ - (void) someMethod: (MyClass*)In {
+ (__A) = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
+ _X = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
+ _Y = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
+ _Z = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
+ _nonSynth = 0; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
+ _NotX = 0; // no-warning
+ _NotA = 0; // no-warning
+ }
+ - (void) someMethodNotAnnaotated: (MyClass*)In {
+ (__A) = In;
+ _X = In; // no-warning
+ _Y = In; // no-warning
+ _Z = In; // no-warning
+ _nonSynth = 0; // no-warning
+ }
+
+@end \ No newline at end of file
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