cosmopolitan/third_party/libcxxabi/test/catch_function_03.pass.cc
Trung Nguyen b0566348b2
third_party/libcxxabi: Add test suite (#1076)
Added the `libcxxabi` test suite as found in LLVM 17.0.6.

Some tests that do not apply to the current configuration of
comsopolitan are not added. These include:
- `backtrace_test`, `forced_unwind*`: Use unwind function unsupported in
SjLj mode.
- `noexception*`: Designed to test `libcxxabi` in no exceptions mode.

Some tests are added but not enabled due to bugs specific to GCC or
cosmopolitan. These are clearly indicated in the `BUILD.mk` file.
2024-01-08 10:50:06 -08:00

69 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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: c++03, c++11, c++14
// UNSUPPORTED: no-exceptions
// Support for catching a function pointer including noexcept was shipped in macOS 10.13
// XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11|12}}
#include "third_party/libcxx/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(int, char**)
{
check<false, false>();
check<false, true>();
check<true, false>();
check<true, true>();
check_deep();
return 0;
}