compilerplugins/clang/test/cow_wrapper.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 #include "config_clang.h"
  11 #include "o3tl/cow_wrapper.hxx"
  12 #include <utility>
  13
  14 struct ImplBitmapPalette
  15 {
  16     void foo() const;
  17 };
  18
  19 struct BitmapPalette
  20 {
  21     void foo1()
  22     {
  23         // expected-error@+1 {{calling const method on o3tl::cow_wrapper impl class via non-const pointer, rather use std::as_const to prevent triggering an unnecessary copy [loplugin:cow_wrapper]}}
  24         mpImpl->foo();
  25     }
  26     void foo2() const
  27     {
  28         // no error expected
  29         mpImpl->foo();
  30     }
  31     void foo3()
  32     {
  33         // expected-error@+1 {{calling const method on o3tl::cow_wrapper impl class via non-const pointer, rather use std::as_const to prevent triggering an unnecessary copy [loplugin:cow_wrapper]}}
  34         (*mpImpl).foo();
  35     }
  36     void foo4()
  37     {
  38         // expected-error@+1 {{calling const method on o3tl::cow_wrapper impl class via non-const pointer, rather use std::as_const to prevent triggering an unnecessary copy [loplugin:cow_wrapper]}}
  39         std::as_const(*mpImpl).foo();
  40     }
  41     o3tl::cow_wrapper<ImplBitmapPalette> mpImpl;
  42 };
  43
  44 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */