office-gobmx/compilerplugins/clang/test/intvsfloat.cxx
Noel Grandin 93e0622d00 loplugin:intvsfloat get this working reliably
Change-Id: Ifdf1a152f6bc2e2f6edae97a5191120f630f7e49
Reviewed-on: https://gerrit.libreoffice.org/64374
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2018-12-02 11:46:39 +01:00

62 lines
2.3 KiB
C++

/* -*- 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/.
*/
static const float PI = 3.4;
struct Class1
{
float getFloat() const { return 1.5; }
int getInt() const { return 1; }
static constexpr float PI = 3.4;
static constexpr float E() { return 3.4; }
};
void func1(Class1 const& class1)
{
// expected-error@+1 {{comparing integer to float constant, can never be true [loplugin:intvsfloat]}}
if (1 == PI)
return;
// expected-error@+1 {{comparing integer to float constant, can never be true [loplugin:intvsfloat]}}
if (1 == class1.PI)
return;
// expected-error@+1 {{comparing integer to float constant, can never be true [loplugin:intvsfloat]}}
if (true == class1.PI)
return;
if (1 == class1.getInt()) // no warning expected
return;
// expected-error@+1 {{comparing integer to float constant, can never be true [loplugin:intvsfloat]}}
if (1 == class1.E())
return;
// expected-error@+1 {{comparing integer to float constant, can never be true [loplugin:intvsfloat]}}
if (true == class1.E())
return;
if (1 == class1.getFloat()) // no warning expected
return;
}
void func2(Class1 const& class1)
{
// expected-error@+1 {{assigning constant float value to int truncates data [loplugin:intvsfloat]}}
int i0 = PI;
(void)i0;
// expected-error@+1 {{assigning constant float value to int truncates data [loplugin:intvsfloat]}}
int i1 = class1.PI;
(void)i1;
// expected-error@+1 {{assigning constant float value to int truncates data [loplugin:intvsfloat]}}
int i2 = class1.E();
(void)i2;
int i3 = class1.getFloat(); // no warning expected
(void)i3;
int i4 = class1.getInt(); // no warning expected
(void)i4;
// expected-error@+1 {{assigning constant float value to int truncates data [loplugin:intvsfloat]}}
bool b1 = class1.E();
(void)b1;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */