catch_function_03.pass.cpp
1.38 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
//===---------------------- catch_function_03.cpp -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Can a noexcept function pointer be caught by a non-noexcept catch clause?
// UNSUPPORTED: no-exceptions, libcxxabi-no-noexcept-function-type
#include <cassert>
template<bool Noexcept> void f() noexcept(Noexcept) {}
template<bool Noexcept> using FnType = void() noexcept(Noexcept);
template<bool ThrowNoexcept, bool CatchNoexcept>
void check()
{
try
{
auto *p = f<ThrowNoexcept>;
throw p;
assert(false);
}
catch (FnType<CatchNoexcept> *p)
{
assert(ThrowNoexcept || !CatchNoexcept);
assert(p == &f<ThrowNoexcept>);
}
catch (...)
{
assert(!ThrowNoexcept && CatchNoexcept);
}
}
void check_deep() {
auto *p = f<true>;
try
{
throw &p;
}
catch (FnType<false> **q)
{
assert(false);
}
catch (FnType<true> **q)
{
}
catch (...)
{
assert(false);
}
}
int main()
{
check<false, false>();
check<false, true>();
check<true, false>();
check<true, true>();
check_deep();
}