new-with-exceptions.cpp source code [clang_source_code/test/Analysis/new-with-exceptions.cpp]

1	// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-store region -std=c++11 -fexceptions -fcxx-exceptions -verify %s
2	// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-store region -std=c++11 -verify %s
3
4	void clang_analyzer_eval(bool);
5
6	typedef __typeof__(sizeof(int)) size_t;
7	extern "C" void *malloc(size_t);
8
9	// This is the standard placement new.
10	inline void* operator new(size_t, void* __p) throw()
11	{
12	return __p;
13	}
14
15	struct NoThrow {
16	void *operator new(size_t) throw();
17	};
18
19	struct NoExcept {
20	void *operator new(size_t) noexcept;
21	};
22
23	struct DefaultThrow {
24	void *operator new(size_t);
25	};
26
27	struct ExplicitThrow {
28	void *operator new(size_t) throw(int);
29	};
30
31	void testNew() {
32	clang_analyzer_eval(new NoThrow); // expected-warning{{UNKNOWN}}
33	clang_analyzer_eval(new NoExcept); // expected-warning{{UNKNOWN}}
34
35	clang_analyzer_eval(new DefaultThrow); // expected-warning{{TRUE}}
36	clang_analyzer_eval(new ExplicitThrow); // expected-warning{{TRUE}}
37	}
38
39	void testNewArray() {
40	clang_analyzer_eval(new NoThrow[2]); // expected-warning{{TRUE}}
41	clang_analyzer_eval(new NoExcept[2]); // expected-warning{{TRUE}}
42	clang_analyzer_eval(new DefaultThrow[2]); // expected-warning{{TRUE}}
43	clang_analyzer_eval(new ExplicitThrow[2]); // expected-warning{{TRUE}}
44	}
45
46	extern void *operator new[](size_t, int) noexcept;
47
48	void testNewArrayNoThrow() {
49	clang_analyzer_eval(new (1) NoThrow[2]); // expected-warning{{UNKNOWN}}
50	clang_analyzer_eval(new (1) NoExcept[2]); // expected-warning{{UNKNOWN}}
51	clang_analyzer_eval(new (1) DefaultThrow[2]); // expected-warning{{UNKNOWN}}
52	clang_analyzer_eval(new (1) ExplicitThrow[2]); // expected-warning{{UNKNOWN}}
53	}
54

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