1 | // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 -fms-extensions -Wno-delete-incomplete -Wno-unused-value %s |
2 | // expected-no-diagnostics |
3 | |
4 | #define P(e) static_assert(noexcept(e), "expected nothrow") |
5 | #define N(e) static_assert(!noexcept(e), "expected throw") |
6 | #define B(b, e) static_assert(b == noexcept(e), "expectation failed") |
7 | |
8 | void simple() { |
9 | P(0); |
10 | P(0 + 0); |
11 | int i; |
12 | P(i); |
13 | P(sizeof(0)); |
14 | P(static_cast<int>(0)); |
15 | N(throw 0); |
16 | N((throw 0, 0)); |
17 | } |
18 | |
19 | void nospec(); |
20 | void allspec() throw(...); |
21 | void intspec() throw(int); |
22 | void emptyspec() throw(); |
23 | void nothrowattr() __attribute__((nothrow)); |
24 | void noexcept_true() noexcept; |
25 | void noexcept_false() noexcept(false); |
26 | |
27 | void call() { |
28 | N(nospec()); |
29 | N(allspec()); |
30 | N(intspec()); |
31 | P(emptyspec()); |
32 | P(nothrowattr()); |
33 | P(noexcept_true()); |
34 | N(noexcept_false()); |
35 | } |
36 | |
37 | void (*pnospec)(); |
38 | void (*pallspec)() throw(...); |
39 | void (*pintspec)() throw(int); |
40 | void (*pemptyspec)() throw(); |
41 | |
42 | typedef void (*funcptr)(); |
43 | funcptr returnsptr() throw(); |
44 | |
45 | void callptr() { |
46 | N(pnospec()); |
47 | N((*pnospec)()); |
48 | N(pallspec()); |
49 | N((*pallspec)()); |
50 | N(pintspec()); |
51 | N((*pintspec)()); |
52 | P(pemptyspec()); |
53 | P((*pemptyspec)()); |
54 | N(returnsptr()()); |
55 | } |
56 | |
57 | struct S1 { |
58 | void nospec(); |
59 | void allspec() throw(...); |
60 | void intspec() throw(int); |
61 | void emptyspec() throw(); |
62 | }; |
63 | |
64 | void callmem() { |
65 | S1 s; |
66 | N(s.nospec()); |
67 | N(s.allspec()); |
68 | N(s.intspec()); |
69 | P(s.emptyspec()); |
70 | } |
71 | |
72 | void (S1::*mpnospec)(); |
73 | void (S1::*mpallspec)() throw(...); |
74 | void (S1::*mpintspec)() throw(int); |
75 | void (S1::*mpemptyspec)() throw(); |
76 | |
77 | void callmemptr() { |
78 | S1 s; |
79 | N((s.*mpnospec)()); |
80 | N((s.*mpallspec)()); |
81 | N((s.*mpintspec)()); |
82 | P((s.*mpemptyspec)()); |
83 | } |
84 | |
85 | struct S2 { |
86 | S2(); |
87 | S2(int, int) throw(); |
88 | void operator +(); |
89 | void operator -() throw(); |
90 | void operator +(int); |
91 | void operator -(int) throw(); |
92 | operator int(); |
93 | operator float() throw(); |
94 | }; |
95 | |
96 | void *operator new(__typeof__(sizeof(int)) sz, int) throw(); |
97 | |
98 | struct IncompleteStruct; |
99 | |
100 | struct Bad1 { |
101 | ~Bad1() throw(int); |
102 | }; |
103 | struct Bad2 { |
104 | void operator delete(void*) throw(int); |
105 | }; |
106 | |
107 | typedef int X; |
108 | |
109 | void implicits() { |
110 | N(new int); |
111 | P(new (0) int); |
112 | P(delete (int*)0); |
113 | P(delete (IncompleteStruct*)0); |
114 | N(delete (Bad1*)0); |
115 | N(delete (Bad2*)0); |
116 | N(S2()); |
117 | P(S2(0, 0)); |
118 | S2 s; |
119 | N(+s); |
120 | P(-s); |
121 | N(s + 0); |
122 | P(s - 0); |
123 | N(static_cast<int>(s)); |
124 | P(static_cast<float>(s)); |
125 | N(Bad1()); |
126 | P(X().~X()); |
127 | } |
128 | |
129 | struct V { |
130 | virtual ~V() throw(); |
131 | }; |
132 | struct D : V {}; |
133 | |
134 | void dyncast() { |
135 | V *pv = 0; |
136 | D *pd = 0; |
137 | P(dynamic_cast<V&>(*pd)); |
138 | P(dynamic_cast<V*>(pd)); |
139 | N(dynamic_cast<D&>(*pv)); |
140 | P(dynamic_cast<D*>(pv)); |
141 | } |
142 | |
143 | namespace std { |
144 | struct type_info {}; |
145 | } |
146 | |
147 | void idtype() { |
148 | P(typeid(V)); |
149 | P(typeid((V*)0)); |
150 | P(typeid(*(S1*)0)); |
151 | N(typeid(*(V*)0)); |
152 | } |
153 | |
154 | void uneval() { |
155 | P(sizeof(typeid(*(V*)0))); |
156 | P(typeid(typeid(*(V*)0))); |
157 | } |
158 | |
159 | struct G1 {}; |
160 | struct G2 { int i; }; |
161 | struct G3 { S2 s; }; |
162 | |
163 | void gencon() { |
164 | P(G1()); |
165 | P(G2()); |
166 | N(G3()); |
167 | } |
168 | |
169 | template <class T> void f(T&&) noexcept; |
170 | template <typename T, bool b> |
171 | void late() { |
172 | B(b, typeid(*(T*)0)); |
173 | B(b, T(1)); |
174 | B(b, static_cast<T>(S2(0, 0))); |
175 | B(b, S1() + T()); |
176 | P(f(T())); |
177 | P(new (0) T); |
178 | P(delete (T*)0); |
179 | } |
180 | struct S3 { |
181 | virtual ~S3() throw(); |
182 | S3() throw(); |
183 | explicit S3(int); |
184 | S3(const S2&); |
185 | }; |
186 | template <class T> T&& f2() noexcept; |
187 | template <typename T> |
188 | void late2() { |
189 | P(dynamic_cast<S3&>(f2<T&>())); |
190 | } |
191 | void operator +(const S1&, float) throw(); |
192 | void operator +(const S1&, const S3&); |
193 | void tlate() { |
194 | late<float, true>(); |
195 | late<S3, false>(); |
196 | late2<S3>(); |
197 | } |
198 | |