properties.mm source code [clang_source_code/test/Analysis/properties.mm]

1	// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,debug.ExprInspection -analyzer-store=region -verify -Wno-objc-root-class %s
2	// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,debug.ExprInspection -analyzer-store=region -verify -Wno-objc-root-class -fobjc-arc %s
3
4	void clang_analyzer_eval(bool);
5	void clang_analyzer_checkInlined(bool);
6
7	@interface IntWrapper
8	@property (readonly) int &value;
9	@end
10
11	@implementation IntWrapper
12	@synthesize value;
13	@end
14
15	void testReferenceConsistency(IntWrapper *w) {
16	clang_analyzer_eval(w.value == w.value); // expected-warning{{TRUE}}
17	clang_analyzer_eval(&w.value == &w.value); // expected-warning{{TRUE}}
18
19	if (w.value != 42)
20	return;
21
22	clang_analyzer_eval(w.value == 42); // expected-warning{{TRUE}}
23	}
24
25	void testReferenceAssignment(IntWrapper *w) {
26	w.value = 42;
27	clang_analyzer_eval(w.value == 42); // expected-warning{{TRUE}}
28	}
29
30
31	struct IntWrapperStruct {
32	int value;
33	};
34
35	@interface StructWrapper
36	@property IntWrapperStruct inner;
37	@end
38
39	@implementation StructWrapper
40	@synthesize inner;
41	@end
42
43	void testConsistencyStruct(StructWrapper *w) {
44	clang_analyzer_eval(w.inner.value == w.inner.value); // expected-warning{{TRUE}}
45
46	int origValue = w.inner.value;
47	if (origValue != 42)
48	return;
49
50	clang_analyzer_eval(w.inner.value == 42); // expected-warning{{TRUE}}
51	}
52
53
54	class CustomCopy {
55	public:
56	CustomCopy() : value(0) {}
57	CustomCopy(const CustomCopy &other) : value(other.value) {
58	clang_analyzer_checkInlined(true); // expected-warning{{TRUE}}
59	}
60	int value;
61	};
62
63	@interface CustomCopyWrapper
64	@property CustomCopy inner;
65	@end
66
67	@implementation CustomCopyWrapper
68	//@synthesize inner;
69	@end
70
71	void testConsistencyCustomCopy(CustomCopyWrapper *w) {
72	clang_analyzer_eval(w.inner.value == w.inner.value); // expected-warning{{TRUE}}
73
74	int origValue = w.inner.value;
75	if (origValue != 42)
76	return;
77
78	clang_analyzer_eval(w.inner.value == 42); // expected-warning{{TRUE}}
79	}
80

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