compilerplugins/clang/test/unusedindex.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 <vector>
  11
  12 #pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13
  13 #pragma clang diagnostic ignored "-Wunused-but-set-variable"
  14
  15 void func1()
  16 {
  17     std::vector<int> v1;
  18     int n = 0;
  19
  20     for (int i = 0; i < 10; ++i) // expected-error {{loop variable not used [loplugin:unusedindex]}}
  21         n += 1;
  22     for (int i = 0; i < 10; ++i)
  23         n += i;
  24
  25     for (int i = 0; i < 10; ++i) // expected-error {{loop variable not used [loplugin:unusedindex]}}
  26     {
  27         for (int j = 0; j < 10; ++j)
  28         {
  29             n += j;
  30         }
  31     }
  32     for (int i = 0; i < 10; ++i)
  33     {
  34         for (int j = 0; j < 10; ++j)
  35         {
  36             n += j;
  37             n += i;
  38         }
  39     }
  40 }
  41
  42 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */