cxx0x-deleted-default-ctor.cpp source code [clang_source_code/test/SemaCXX/cxx0x-deleted-default-ctor.cpp]

1	// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2
3	struct non_trivial {
4	non_trivial();
5	non_trivial(const non_trivial&);
6	non_trivial& operator = (const non_trivial&);
7	~non_trivial();
8	};
9
10	union bad_union {
11	non_trivial nt; // expected-note {{non-trivial default constructor}}
12	};
13	bad_union u; // expected-error {{call to implicitly-deleted default constructor}}
14	union bad_union2 { // expected-note {{all data members are const-qualified}}
15	const int i;
16	};
17	bad_union2 u2; // expected-error {{call to implicitly-deleted default constructor}}
18
19	struct bad_anon {
20	union {
21	non_trivial nt; // expected-note {{non-trivial default constructor}}
22	};
23	};
24	bad_anon a; // expected-error {{call to implicitly-deleted default constructor}}
25	struct bad_anon2 {
26	union { // expected-note {{all data members of an anonymous union member are const-qualified}}
27	const int i;
28	};
29	};
30	bad_anon2 a2; // expected-error {{call to implicitly-deleted default constructor}}
31
32	// This would be great except that we implement
33	union good_union {
34	const int i;
35	float f;
36	};
37	good_union gu;
38	struct good_anon {
39	union {
40	const int i;
41	float f;
42	};
43	};
44	good_anon ga;
45
46	struct good : non_trivial {
47	non_trivial nt;
48	};
49	good g;
50
51	struct bad_const {
52	const good g; // expected-note {{field 'g' of const-qualified type 'const good' would not be initialized}}
53	};
54	bad_const bc; // expected-error {{call to implicitly-deleted default constructor}}
55
56	struct good_const {
57	const non_trivial nt;
58	};
59	good_const gc;
60
61	struct no_default {
62	no_default() = delete; // expected-note 5{{deleted here}}
63	};
64	struct no_dtor {
65	~no_dtor() = delete; // expected-note 2{{deleted here}}
66	};
67
68	struct bad_field_default {
69	no_default nd; // expected-note {{field 'nd' has a deleted default constructor}}
70	};
71	bad_field_default bfd; // expected-error {{call to implicitly-deleted default constructor}}
72	struct bad_base_default : no_default { // expected-note {{base class 'no_default' has a deleted default constructor}}
73	};
74	bad_base_default bbd; // expected-error {{call to implicitly-deleted default constructor}}
75
76	struct bad_field_dtor {
77	no_dtor nd; // expected-note {{field 'nd' has a deleted destructor}}
78	};
79	bad_field_dtor bfx; // expected-error {{call to implicitly-deleted default constructor}}
80	struct bad_base_dtor : no_dtor { // expected-note {{base class 'no_dtor' has a deleted destructor}}
81	};
82	bad_base_dtor bbx; // expected-error {{call to implicitly-deleted default constructor}}
83
84	struct ambiguous_default {
85	ambiguous_default();
86	ambiguous_default(int = 2);
87	};
88	struct has_amb_field {
89	ambiguous_default ad; // expected-note {{field 'ad' has multiple default constructors}}
90	};
91	has_amb_field haf; // expected-error {{call to implicitly-deleted default constructor}}
92
93	class inaccessible_default {
94	inaccessible_default();
95	};
96	struct has_inacc_field {
97	inaccessible_default id; // expected-note {{field 'id' has an inaccessible default constructor}}
98	};
99	has_inacc_field hif; // expected-error {{call to implicitly-deleted default constructor}}
100
101	class friend_default {
102	friend struct has_friend;
103	friend_default();
104	};
105	struct has_friend {
106	friend_default fd;
107	};
108	has_friend hf;
109
110	struct defaulted_delete {
111	no_default nd; // expected-note 2{{because field 'nd' has a deleted default constructor}}
112	defaulted_delete() = default; // expected-note{{implicitly deleted here}} expected-warning {{implicitly deleted}}
113	};
114	defaulted_delete dd; // expected-error {{call to implicitly-deleted default constructor}}
115
116	struct late_delete {
117	no_default nd; // expected-note {{because field 'nd' has a deleted default constructor}}
118	late_delete();
119	};
120	late_delete::late_delete() = default; // expected-error {{would delete it}}
121
122	// See also rdar://problem/8125400.
123	namespace empty {
124	static union {};
125	static union { union {}; };
126	static union { struct {}; };
127	static union { union { union {}; }; };
128	static union { union { struct {}; }; };
129	static union { struct { union {}; }; };
130	static union { struct { struct {}; }; };
131	}
132

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