llvm-project/libcxxabi/test/catch_function_01.pass.cpp

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//===----------------------- catch_function_01.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 you have a catch clause of array type that catches anything?
// GCC incorrectly allows function pointer to be caught by reference.
// See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69372
// XFAIL: gcc
// UNSUPPORTED: no-exceptions
#include <cassert>
template <class Tp>
bool can_convert(Tp) { return true; }
template <class>
bool can_convert(...) { return false; }
void f() {}
int main(int, char**)
{
typedef void Function();
assert(!can_convert<Function&>(&f));
assert(!can_convert<void*>(&f));
try
{
throw f; // converts to void (*)()
assert(false);
}
catch (Function& b) // can't catch void (*)()
{
assert(false);
}
catch (void*) // can't catch as void*
{
assert(false);
}
catch(Function*)
{
}
catch (...)
{
assert(false);
}
return 0;
}