compilerplugins/clang/test/noexceptmove.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 namespace test1
  11 {
  12 class Mapping
  13 {
  14     char* m_pMapping;
  15
  16     // expected-error@+1 {{move constructor can be noexcept [loplugin:noexceptmove]}}
  17     Mapping(Mapping&& other)
  18         : m_pMapping(other.m_pMapping)
  19     {
  20         other.m_pMapping = nullptr;
  21     }
  22
  23     // expected-error@+1 {{move operator= can be noexcept [loplugin:noexceptmove]}}
  24     Mapping& operator=(Mapping&& other)
  25     {
  26         m_pMapping = other.m_pMapping;
  27         other.m_pMapping = nullptr;
  28         return *this;
  29     }
  30 };
  31 };
  32
  33 // No warning expected, because calling throwing function.
  34 namespace test2
  35 {
  36 void foo() noexcept(false);
  37
  38 class Bar
  39 {
  40     Bar(Bar&&) { foo(); }
  41 };
  42 };
  43
  44 // no warning expected, because calling throwing constructor
  45 namespace test3
  46 {
  47 struct Foo
  48 {
  49     Foo() noexcept(false);
  50 };
  51 class Bar
  52 {
  53     Bar(Bar&&) { Foo aFoo; }
  54 };
  55
  56 class Bar2
  57 {
  58     Foo m_foo;
  59
  60     Bar2(Bar2&&) {}
  61 };
  62 };
  63
  64 // No warning expected, because calling throwing destructor.
  65 namespace test4
  66 {
  67 struct Foo
  68 {
  69     ~Foo() noexcept(false);
  70 };
  71
  72 class Bar
  73 {
  74     Bar(Bar&&) { Foo aFoo; }
  75 };
  76 };
  77
  78 // Check for calls to defaulted constructors.
  79 namespace test5
  80 {
  81 struct Foo
  82 {
  83     Foo() = default; // non-throwing
  84 };
  85 class Bar
  86 {
  87     Bar(Bar&&) // expected-error {{move constructor can be noexcept [loplugin:noexceptmove]}}
  88     {
  89         Foo aFoo;
  90         (void)aFoo;
  91     }
  92 };
  93 };
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */