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173 | /* -*- 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 <rtl/ustring.hxx>
// expected-note@rtl/ustring.hxx:* 2 {{the presumed corresponding negated operator for 'rtl::OUString' and 'rtl::OUString' is declared here [loplugin:simplifybool]}}
#include <rtl/string.hxx>
// expected-note@rtl/string.hxx:* {{the presumed corresponding negated operator for 'rtl::OString' and 'rtl::OString' is declared here [loplugin:simplifybool]}}
#include <basegfx/vector/b3dvector.hxx>
// expected-note@basegfx/tuple/b3dtuple.hxx:* {{the presumed corresponding negated operator for 'basegfx::B3DVector' and 'basegfx::B3DVector' is declared here [loplugin:simplifybool]}}
#include <map>
namespace group1
{
void f1(int a, int b)
{
if (!(a < b))
{ // expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
a = b;<--- Assignment of function parameter has no effect outside the function.<--- Variable 'a' is assigned a value that is never used.
}
};
void f2(float a, float b)
{
// no warning expected
if (!(a < b))
{
a = b;<--- Assignment of function parameter has no effect outside the function.<--- Variable 'a' is assigned a value that is never used.
}
};
};
// Consistently either warn about all or none of the below occurrences of "!!":
namespace group2
{
enum E1
{
E1_1 = 1
};
enum E2
{
E2_1 = 1
};
E2 operator&(E2 e1, E2 e2);
bool operator!(E2 e);
enum class E3
{
E1 = 1
};
struct W
{
operator bool();
};
W operator&(E3 e1, E3 e2);
bool f0(int n) { return !!(n & 1); }
bool f1(E1 e) { return !!(e & E1_1); }
bool f2(E2 e) { return !!(e & E2_1); }
bool f3(E3 e) { return !!(e & E3::E1); }
};
// record types
namespace group3
{
struct Record1
{
bool operator==(const Record1&) const;
};
struct Record2
{
bool operator==(const Record2&) const;
bool operator!=(const Record2&) const;
// expected-note@-1 {{the presumed corresponding negated operator for 'group3::Record2' and 'group3::Record2' is declared here [loplugin:simplifybool]}}
};
struct Record3
{
};
bool operator==(const Record3&, const Record3&);
bool operator!=(const Record3&, const Record3&);
// expected-note@-1 {{the presumed corresponding negated operator for 'group3::Record3' and 'group3::Record3' is declared here [loplugin:simplifybool]}}
void testRecord()<--- The function 'testRecord' is never used.
{
Record1 a1;
Record1 a2;
// no warning expected, because a negated operator does not exist
bool v = !(a1 == a2);<--- v is initialized
Record2 b1;
Record2 b2;
v = !(b1 == b2);<--- v is overwritten<--- v is assigned
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
Record3 c1;
Record3 c2;
v = !(c1 == c2);<--- v is overwritten<--- v is assigned
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
OUString d1;
OUString d2;
v = !(d1 == d2);<--- v is overwritten<--- v is assigned
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
OString e1;
OString e2;
v = !(e1 == e2);<--- v is overwritten<--- v is assigned
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
// the operator != is in a base-class, and the param is a base-type
basegfx::B3DVector f1;
basegfx::B3DVector f2;
v = !(f1 == f2);<--- v is overwritten<--- Variable 'v' is assigned a value that is never used.
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
}
struct Record4
{
bool operator==(Record4 const&) const;
bool operator!=(Record4 const& other) const
{
// no warning expected
bool v = !operator==(other);<--- v is initialized
v = !(*this == other);<--- v is overwritten<--- v is assigned
OUString c1;
OUString c2;
v = !(c1 == c2);<--- v is overwritten
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
return v;
}
};
};
namespace group4
{
bool foo1(bool a, bool b)
{
return !(!a && !b);
// expected-error@-1 {{logical negation of logical op containing negation, can be simplified [loplugin:simplifybool]}}
}
bool foo2(int a, bool b)
{
return !(a != 1 && !b);
// expected-error@-1 {{logical negation of logical op containing negation, can be simplified [loplugin:simplifybool]}}
}
bool foo3(int a, bool b)
{
// no warning expected
return !(a != 1 && b);
}
};
namespace group5
{
bool foo1(std::map<int, int>* pActions, int aKey)
{
auto aIter = pActions->find(aKey);
//TODO this doesn't work yet because I'd need to implement conversion operators during method/func lookup
return !(aIter == pActions->end());
// expected-error@-1 {{logical negation of comparison operator, can be simplified by inverting operator [loplugin:simplifybool]}}
}
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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