libcxxabi/test/test_vector3.pass.cpp

   1 //===----------------------------------------------------------------------===//
   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 #include "cxxabi.h"
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <assert.h>
  16 #include <exception>
  17
  18 #include <memory>
  19
  20 // Disable warning about throw always calling terminate.
  21 #if defined(__GNUC__) && !defined(__clang__)
  22 # pragma GCC diagnostic ignored "-Wterminate"
  23 #endif
  24
  25 // use dtors instead of try/catch
  26 namespace test1 {
  27     struct B {
  28          ~B() {
  29             printf("should not be run\n");
  30             exit(10);
  31             }
  32 };
  33
  34 struct A {
  35  ~A()
  36 #if __has_feature(cxx_noexcept)
  37     noexcept(false)
  38 #endif
  39  {
  40    B b;
  41    throw 0;
  42  }
  43 };
  44 }  // test1
  45
  46 void my_terminate() { exit(0); }
  47
  48 template <class T>
  49 void destroy(void* v)
  50 {
  51   T* t = static_cast<T*>(v);
  52   t->~T();
  53 }
  54
  55 int main(int, char**)
  56 {
  57   std::set_terminate(my_terminate);
  58   {
  59   typedef test1::A Array[10];
  60   Array a[10]; // calls _cxa_vec_dtor
  61   __cxxabiv1::__cxa_vec_dtor(a, 10, sizeof(test1::A), destroy<test1::A>);
  62   assert(false);
  63   }
  64
  65   return 0;
  66 }