libcxxabi/test/uncaught_exception.pass.cpp

   1 //===------------------- uncaught_exceptions.pass.cpp ---------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: libcxxabi-no-exceptions
  10
  11 // This tests that libc++abi still provides __cxa_uncaught_exception() for
  12 // ABI compatibility, even though the Standard doesn't require it to.
  13
  14 #include <cxxabi.h>
  15 #include <cassert>
  16
  17 // namespace __cxxabiv1 {
  18 //      extern bool __cxa_uncaught_exception () throw();
  19 // }
  20
  21 struct A {
  22     ~A() { assert( __cxxabiv1::__cxa_uncaught_exception()); }
  23 };
  24
  25 int main () {
  26     try { A a; throw 3; assert(false); }
  27     catch (int) {}
  28 }