compilerplugins/clang/test/refassign.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 #include <vector>
  12
  13 int& f1();
  14 int& f2();
  15
  16 void test1()
  17 {
  18     int& v1 = f1();
  19     v1 = f2(); // expected-error {{assigning a 'int &' to a var of type 'int &' probably does not do what you think [loplugin:refassign]}}
  20     f1()
  21         = f2(); // expected-error {{assigning a 'int &' to a var of type 'int &' probably does not do what you think [loplugin:refassign]}}
  22
  23     // no warning expected
  24     int x = 1;
  25     x = f1();
  26     std::vector<int> v;
  27     v[0] = f1();
  28     v1 = std::min(1, 2);
  29 };
  30
  31 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */