xref: /llvm-project/libcxxabi/test/catch_function_01.pass.cpp (revision 3497500946c9b6a1b2e1452312a24c41ee412b34)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // Can you have a catch clause of array type that catches anything?
10 
11 // UNSUPPORTED: no-exceptions
12 
13 // GCC incorrectly allows function pointer to be caught by reference.
14 // See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69372
15 // XFAIL: gcc
16 
17 #include <cassert>
18 
19 template <class Tp>
can_convert(Tp)20 bool can_convert(Tp) { return true; }
21 
22 template <class>
can_convert(...)23 bool can_convert(...) { return false; }
24 
f()25 void f() {}
26 
main(int,char **)27 int main(int, char**)
28 {
29     typedef void Function();
30     assert(!can_convert<Function&>(&f));
31     assert(!can_convert<void*>(&f));
32     try
33     {
34         throw f;     // converts to void (*)()
35         assert(false);
36     }
37     catch (Function& b)  // can't catch void (*)()
38     {
39         assert(false);
40     }
41     catch (void*) // can't catch as void*
42     {
43         assert(false);
44     }
45     catch(Function*)
46     {
47     }
48     catch (...)
49     {
50         assert(false);
51     }
52 
53     return 0;
54 }
55