compilerplugins/clang/test/redundantfcast.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 <memory>
  13
  14 #include "rtl/ustring.hxx"
  15 #include "tools/color.hxx"
  16
  17 void method1(OUString const&); // expected-note {{in call to method here [loplugin:redundantfcast]}}
  18
  19 struct Foo
  20 {
  21     Foo(int) {}
  22 };
  23
  24 void func1(Foo const& f); // expected-note {{in call to method here [loplugin:redundantfcast]}}
  25
  26 int main()
  27 {
  28     OUString s;
  29     (void)OUString(
  30         s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  31     using T1 = OUString;
  32     (void)T1(
  33         s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'T1' (aka 'rtl::OUString') [loplugin:redundantfcast]}}
  34     using T2 = OUString const;
  35     (void)T2(
  36         s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'T2' (aka 'const rtl::OUString') [loplugin:redundantfcast]}}
  37
  38     (void)std::unique_ptr<int>(std::unique_ptr<int>(
  39         new int{})); // expected-error@-1 {{redundant functional cast from 'std::unique_ptr<int>' to 'std::unique_ptr<int>' [loplugin:redundantfcast]}}
  40
  41     OUString s1;
  42     method1(OUString(
  43         s1)); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  44     // expected-error@-2 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  45     OUString s2;
  46     s2 = OUString(
  47         s1); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  48
  49     Color col1;
  50     Color col2 = Color(
  51         col1); // expected-error@-1 {{redundant functional cast from 'Color' to 'Color' [loplugin:redundantfcast]}}
  52     (void)col2;
  53
  54     Foo foo(1);
  55     func1(Foo(
  56         foo)); // expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}}
  57 }
  58
  59 class Class1
  60 {
  61     Foo foo;
  62     Foo func2()
  63     {
  64         return Foo(
  65             foo); // expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}}
  66     }
  67 };
  68 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */