2016-11-03 07:41:51 +08:00
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//===--------------- catch_member_function_pointer_02.cpp -----------------===//
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//
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2019-01-19 18:56:40 +08:00
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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2016-11-03 07:41:51 +08:00
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//
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//===----------------------------------------------------------------------===//
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// Can a noexcept member function pointer be caught by a non-noexcept catch
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// clause?
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2020-04-17 22:29:15 +08:00
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// UNSUPPORTED: no-exceptions, libcxxabi-no-noexcept-function-type
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2016-11-03 07:41:51 +08:00
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2017-05-09 08:11:02 +08:00
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// GCC 7 and 8 support noexcept function types but this test still fails.
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// This is likely a bug in their implementation. Investigation needed.
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2019-09-14 02:43:29 +08:00
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// XFAIL: gcc-7, gcc-8, gcc-9, gcc-10
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2017-05-09 08:11:02 +08:00
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2016-11-03 07:41:51 +08:00
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#include <cassert>
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struct X {
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template<bool Noexcept> void f() noexcept(Noexcept) {}
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};
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template<bool Noexcept> using FnType = void (X::*)() noexcept(Noexcept);
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template<bool ThrowNoexcept, bool CatchNoexcept>
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void check()
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{
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try
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{
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auto p = &X::f<ThrowNoexcept>;
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throw p;
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assert(false);
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}
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catch (FnType<CatchNoexcept> p)
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{
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assert(ThrowNoexcept || !CatchNoexcept);
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assert(p == &X::f<ThrowNoexcept>);
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}
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catch (...)
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{
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assert(!ThrowNoexcept && CatchNoexcept);
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}
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}
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void check_deep() {
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FnType<true> p = &X::f<true>;
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try
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{
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throw &p;
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}
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catch (FnType<false> *q)
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{
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assert(false);
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}
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catch (FnType<true> *q)
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{
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}
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catch (...)
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{
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assert(false);
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}
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}
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int main()
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{
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check<false, false>();
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check<false, true>();
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check<true, false>();
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check<true, true>();
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check_deep();
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}
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