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 namespace tools
  27 {
  28 struct Polygon
  29 {
  30     Polygon() = default;
  31 };
  32 struct PolyPolygon
  33 {
  34     PolyPolygon(
  35         Polygon const&); // expected-note {{in call to method here [loplugin:redundantfcast]}}
  36 };
  37 }
  38
  39 void ImplWritePolyPolygonRecord(const tools::PolyPolygon& rPolyPoly);
  40
  41 int main()
  42 {
  43     OUString s;
  44     (void)OUString(
  45         s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  46     using T1 = OUString;
  47     (void)T1(
  48         s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'T1' (aka 'rtl::OUString') [loplugin:redundantfcast]}}
  49     using T2 = OUString const;
  50     (void)T2(
  51         s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'T2' (aka 'const rtl::OUString') [loplugin:redundantfcast]}}
  52
  53     (void)std::unique_ptr<int>(std::unique_ptr<int>(
  54         new int{})); // expected-error@-1 {{redundant functional cast from 'std::unique_ptr<int>' to 'std::unique_ptr<int>' [loplugin:redundantfcast]}}
  55
  56     OUString s1;
  57     method1(OUString(
  58         s1)); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  59     // expected-error@-2 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  60     OUString s2;
  61     s2 = OUString(
  62         s1); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
  63
  64     Color col1;
  65     Color col2 = Color(
  66         col1); // expected-error@-1 {{redundant functional cast from 'Color' to 'Color' [loplugin:redundantfcast]}}
  67     (void)col2;
  68
  69     Foo foo(1);
  70     func1(Foo(
  71         foo)); // expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}} expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}}
  72
  73     const tools::Polygon aPolygon;
  74     ImplWritePolyPolygonRecord(tools::PolyPolygon(tools::Polygon(
  75         aPolygon))); // expected-error@-1 {{redundant functional cast from 'const tools::Polygon' to 'tools::Polygon' [loplugin:redundantfcast]}} expected-error@-1 {{redundant functional cast from 'const tools::Polygon' to 'tools::Polygon' [loplugin:redundantfcast]}}
  76 }
  77
  78 class Class1
  79 {
  80     Foo foo;
  81     Foo func2()
  82     {
  83         return Foo(
  84             foo); // expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}} expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}}
  85     }
  86 };
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */