/ test / uncaught_exceptions.pass.cpp
uncaught_exceptions.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: no-exceptions
10  
11  // __cxa_uncaught_exceptions is not re-exported from libc++ until macOS 10.15.
12  // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14}}
13  
14  #include <cxxabi.h>
15  #include <cassert>
16  
17  // namespace __cxxabiv1 {
18  //      extern unsigned int __cxa_uncaught_exceptions() throw();
19  // }
20  
21  struct A {
22      A(unsigned cnt) : data_(cnt) {}
23      ~A() { assert( data_ == __cxxabiv1::__cxa_uncaught_exceptions()); }
24      unsigned data_;
25  };
26  
27  int main () {
28      try { A a(1); throw 3; assert(false); }
29      catch (int) {}
30  }