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https://github.com/jart/cosmopolitan.git
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b0566348b2
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.
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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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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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03
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// UNSUPPORTED: no-exceptions
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#include "third_party/libcxx/cassert"
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#include "third_party/libcxx/cstddef"
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#include "third_party/libcxx/cstdlib"
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#include "third_party/libcxx/type_traits"
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struct A {};
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template<typename T, bool CanCatchNullptr>
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static void catch_nullptr_test() {
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try {
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throw nullptr;
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} catch (T &p) {
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assert(CanCatchNullptr && !static_cast<bool>(p));
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} catch (...) {
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assert(!CanCatchNullptr);
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}
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}
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int main(int, char**)
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{
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static_assert(std::is_same<std::nullptr_t, decltype(nullptr)>::value, "");
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// A reference to nullptr_t can catch nullptr.
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catch_nullptr_test<std::nullptr_t, true>();
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catch_nullptr_test<const std::nullptr_t, true>();
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catch_nullptr_test<volatile std::nullptr_t, true>();
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catch_nullptr_test<const volatile std::nullptr_t, true>();
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// No other reference type can.
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#if 0
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// FIXME: These tests fail, because the ABI provides no way for us to
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// distinguish this from catching by value.
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catch_nullptr_test<void *, false>();
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catch_nullptr_test<void * const, false>();
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catch_nullptr_test<int *, false>();
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catch_nullptr_test<A *, false>();
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catch_nullptr_test<int A::*, false>();
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catch_nullptr_test<int (A::*)(), false>();
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#endif
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return 0;
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}
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