compilerplugins/clang/test/stdfunction.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 <iterator>
  11 #include <vector>
  12
  13 struct S
  14 {
  15     bool empty() const;
  16 };
  17
  18 template <typename> struct ST
  19 {
  20     bool empty() const;
  21 };
  22
  23 namespace std
  24 {
  25 bool empty( //expected-error {{Do not declare a function in namespace 'std' [loplugin:stdfunction]}}
  26     S const&);
  27
  28 template <>
  29 bool empty( //expected-error {{Do not declare a function template specialization in namespace 'std' [loplugin:stdfunction]}}
  30     S const&);
  31
  32 template <typename T>
  33 bool empty( //expected-error {{Do not declare a function template in namespace 'std' [loplugin:stdfunction]}}
  34     ST<T> const&);
  35
  36 template <> class vector<S>
  37 {
  38 public:
  39     [[nodiscard]] constexpr bool empty() const noexcept;
  40 };
  41
  42 [[nodiscard]] constexpr bool vector<S>::empty() const noexcept { return true; }
  43 }
  44
  45 namespace std::inner
  46 {
  47 bool empty( //expected-error {{Do not declare a function in namespace 'std' [loplugin:stdfunction]}}
  48     S const&);
  49 }
  50
  51 namespace outer::std
  52 {
  53 bool empty(S const&);
  54 }
  55
  56 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */