compilerplugins/clang/test/faileddyncast.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 struct S1 { virtual ~S1(); };
  11 struct S2 final: S1 {};
  12 struct S3: S1 {};
  13
  14 void f(S1 * s1, S2 * s2) {
  15     (void) dynamic_cast<S2 *>(s1);
  16     (void) dynamic_cast<S1 *>(s2);
  17     (void) dynamic_cast<S2 *>(s2);
  18     (void) dynamic_cast<S3 *>(s2); // expected-error {{dynamic_cast from 'S2 *' to 'S3 *' always fails [loplugin:faileddyncast]}}
  19 }
  20
  21 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */