NewDelete-custom.cpp source code [clang_source_code/test/Analysis/NewDelete-custom.cpp]

1	// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,unix.Malloc -std=c++11 -fblocks -verify %s
2	// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,unix.Malloc -std=c++11 -fblocks -verify %s -analyzer-config c++-allocator-inlining=false
3	#include "Inputs/system-header-simulator-cxx.h"
4
5	// expected-no-diagnostics
6
7
8	void *allocator(std::size_t size);
9
10	void *operator new[](std::size_t size) throw() { return allocator(size); }
11	void *operator new(std::size_t size) throw() { return allocator(size); }
12	void *operator new(std::size_t size, const std::nothrow_t &nothrow) throw() { return allocator(size); }
13	void *operator new(std::size_t, double d);
14
15	class C {
16	public:
17	void *operator new(std::size_t);
18	};
19
20	void testNewMethod() {
21	void *p1 = C::operator new(0); // no warn
22
23	C *p2 = new C; // no-warning
24
25	C *c3 = ::new C; // no-warning
26	}
27
28	void testOpNewArray() {
29	void *p = operator new[](0); // call is inlined, no warn
30	}
31
32	void testNewExprArray() {
33	int *p = new int[0]; // no-warning
34	}
35
36
37	//----- Custom non-placement operators
38	void testOpNew() {
39	void *p = operator new(0); // call is inlined, no warn
40	}
41
42	void testNewExpr() {
43	int *p = new int; // no-warning
44	}
45
46	//----- Custom NoThrow placement operators
47	void testOpNewNoThrow() {
48	void *p = operator new(0, std::nothrow); // call is inlined, no warn
49	}
50
51	void testNewExprNoThrow() {
52	int *p = new(std::nothrow) int; // no-warning
53	}
54
55	//----- Custom placement operators
56	void testOpNewPlacement() {
57	void *p = operator new(0, 0.1); // no warn
58	}
59
60	void testNewExprPlacement() {
61	int *p = new(0.1) int; // no warn
62	}
63

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