| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: libcpp-no-exceptions |
| // MODULES_DEFINES: _LIBCPP_DEBUG=1 |
| // MODULES_DEFINES: _LIBCPP_DEBUG_USE_EXCEPTIONS |
| |
| // Can't test the system lib because this test enables debug mode |
| // UNSUPPORTED: with_system_cxx_lib |
| |
| // test array<T, 0>::front() throws a debug exception. |
| |
| #define _LIBCPP_DEBUG 1 |
| #define _LIBCPP_DEBUG_USE_EXCEPTIONS |
| #include <array> |
| |
| template <class Array> |
| inline bool CheckDebugThrows(Array& Arr) { |
| try { |
| Arr.front(); |
| } catch (std::__libcpp_debug_exception const&) { |
| return true; |
| } |
| return false; |
| } |
| |
| int main(int, char**) |
| { |
| { |
| typedef std::array<int, 0> C; |
| C c = {}; |
| C const& cc = c; |
| assert(CheckDebugThrows(c)); |
| assert(CheckDebugThrows(cc)); |
| } |
| { |
| typedef std::array<const int, 0> C; |
| C c = {{}}; |
| C const& cc = c; |
| assert(CheckDebugThrows(c)); |
| assert(CheckDebugThrows(cc)); |
| } |
| |
| return 0; |
| } |