1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include "sal/config.h"

#include "rtl/ustring.hxx"
#include "tools/color.hxx"

#include <functional>
#include <memory>

void method1(OUString const&); // expected-note {{in call to method here [loplugin:redundantfcast]}}

struct Foo
{
    Foo(int) {}
};

void func1(Foo const& f); // expected-note {{in call to method here [loplugin:redundantfcast]}}

namespace tools
{
struct Polygon
{
    Polygon() = default;
};
struct PolyPolygon
{
    PolyPolygon(
        Polygon const&); // expected-note {{in call to method here [loplugin:redundantfcast]}}
};
}

void ImplWritePolyPolygonRecord(const tools::PolyPolygon& rPolyPoly);

int main()
{
    OUString s;
    (void)OUString(
        s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
    using T1 = OUString;
    (void)T1(
        s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'T1' (aka 'rtl::OUString') [loplugin:redundantfcast]}}
    using T2 = OUString const;
    (void)T2(
        s); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'T2' (aka 'const rtl::OUString') [loplugin:redundantfcast]}}

    (void)std::unique_ptr<int>(std::unique_ptr<int>(
        new int{})); // expected-error@-1 {{redundant functional cast from 'std::unique_ptr<int>' to 'std::unique_ptr<int>' [loplugin:redundantfcast]}}

    OUString s1;
    method1(OUString(
        s1)); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}
    OUString s2;
    s2 = OUString(<--- Variable 's2' is assigned a value that is never used.
        s1); // expected-error@-1 {{redundant functional cast from 'rtl::OUString' to 'rtl::OUString' [loplugin:redundantfcast]}}

    Color col1;
    Color col2 = Color(
        col1); // expected-error@-1 {{redundant functional cast from 'Color' to 'Color' [loplugin:redundantfcast]}}
    (void)col2;

    Foo foo(1);
    func1(Foo(
        foo)); // expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}}

    const tools::Polygon aPolygon;
    ImplWritePolyPolygonRecord(tools::PolyPolygon(tools::Polygon(
        aPolygon))); // expected-error@-1 {{redundant functional cast from 'const tools::Polygon' to 'tools::Polygon' [loplugin:redundantfcast]}}
}

class Class1
{
    Foo foo;
    Foo func2()<--- Unused private function: 'Class1::func2'
    {
        return Foo(
            foo); // expected-error@-1 {{redundant functional cast from 'Foo' to 'Foo' [loplugin:redundantfcast]}}
    }
};

// casting of lambdas
namespace test5
{
void f1(std::function<void()> x);
void f2()
{
    // expected-error-re@+1 {{redundant functional cast {{.+}} [loplugin:redundantfcast]}}
    f1(std::function([&]() {}));
}
};
namespace test6
{
void f1(std::function<void(int)>);
void f1(std::function<void(long)>);
void f2()
{
    f1(std::function<void(long)>([&](int) {})); // should not warn here
}
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */