compilerplugins/clang/test/moveit.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 <memory>
  12
  13 // expected-note@+3 {{type declared here [loplugin:moveit]}}
  14 // expected-note@+2 {{type declared here [loplugin:moveit]}}
  15 // expected-note@+1 {{type declared here [loplugin:moveit]}}
  16 struct Movable
  17 {
  18     std::shared_ptr<int> x;
  19
  20     void method1();
  21
  22     Movable();
  23     Movable(int);
  24 };
  25
  26 namespace test1a
  27 {
  28 struct F
  29 {
  30     // expected-note@+1 {{passing to this param [loplugin:moveit]}}
  31     void call_by_value(Movable);
  32     void foo()
  33     {
  34         // expected-note@+1 {{local var declared here [loplugin:moveit]}}
  35         Movable m;
  36         // expected-error@+1 {{can std::move this var into this param [loplugin:moveit]}}
  37         call_by_value(m);
  38     }
  39 };
  40 }
  41
  42 namespace test1b
  43 {
  44 struct F
  45 {
  46     // expected-note@+1 {{passing to this param [loplugin:moveit]}}
  47     F(Movable);
  48     void foo()
  49     {
  50         // expected-note@+1 {{local var declared here [loplugin:moveit]}}
  51         Movable m;
  52         // expected-error@+1 {{can std::move this var into this param [loplugin:moveit]}}
  53         F a(m);
  54         (void)a;
  55     }
  56 };
  57 }
  58
  59 namespace test2
  60 {
  61 struct F
  62 {
  63     // expected-note@+1 {{passing to this param [loplugin:moveit]}}
  64     F(Movable);
  65     void foo()
  66     {
  67         // expected-note@+1 {{local var declared here [loplugin:moveit]}}
  68         Movable m;
  69         // expected-error@+1 {{can std::move this var into this param [loplugin:moveit]}}
  70         F a(m);
  71         (void)a;
  72     }
  73 };
  74 }
  75
  76 // No error expected, because referencing after call
  77 namespace test3
  78 {
  79 struct F
  80 {
  81     F(Movable);
  82     void foo()
  83     {
  84         Movable m;
  85         F a(m);
  86         m.method1();
  87     }
  88 };
  89 }
  90
  91 // No error expected, because constructing temporary(i.e. rvalue) to pass to param
  92 namespace test4
  93 {
  94 struct F
  95 {
  96     F(Movable);
  97     void foo()
  98     {
  99         F a((Movable(5)));
 100         (void)a;
 101     }
 102 };
 103 }
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */