compilerplugins/clang/test/unusedvariablecheck.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 <sal/config.h>
  11
  12 #include <list>
  13 #include <string>
  14 #include <vector>
  15 #include <memory>
  16
  17 namespace
  18 {
  19 template <typename T> using Vec = std::vector<T>;
  20 }
  21
  22 struct S : std::unique_ptr<int>
  23 {
  24     S(int* = nullptr);
  25 };
  26
  27 int main()
  28 {
  29     std::list<int> v1; // expected-error {{unused variable 'v1' [loplugin:unusedvariablecheck]}}
  30     std::string v2; // expected-error {{unused variable 'v2' [loplugin:unusedvariablecheck]}}
  31     Vec<int> v3; // expected-error {{unused variable 'v3' [loplugin:unusedvariablecheck]}}
  32     std::unique_ptr<int>
  33         v4; // expected-error {{unused variable 'v4' [loplugin:unusedvariablecheck]}}
  34     S v5; // expected-error {{unused variable 'v5' [loplugin:unusedvariablecheck]}}
  35     S v6(nullptr);
  36 }
  37
  38 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */