compilerplugins/clang/test/implicitboolconversion.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 <array>
  13 #include <atomic>
  14 #include <initializer_list>
  15
  16 #include <com/sun/star/uno/Sequence.hxx>
  17 #include <sal/types.h>
  18
  19 template <typename T> struct Sequence
  20 {
  21     Sequence(std::initializer_list<T>);
  22 };
  23
  24 template <typename T> struct Wrap1
  25 {
  26     T element;
  27 };
  28
  29 template <typename T> struct Wrap2
  30 {
  31     Wrap2(T const& e)
  32         : element(e)
  33     {
  34     }
  35     T element;
  36 };
  37
  38 bool g();
  39
  40 void h(bool);
  41
  42 void f()
  43 {
  44     // expected-error@+1 {{implicit conversion (IntegralCast) from 'bool' to 'int' [loplugin:implicitboolconversion]}}
  45     int i = false;
  46     // expected-error@+1 {{implicit conversion (IntegralCast) from 'bool' to 'int' [loplugin:implicitboolconversion]}}
  47     i = true;
  48     (void)i;
  49     std::atomic<bool> b = false;
  50     (void)b;
  51     //TODO: Emit only one diagnostic here:
  52     // expected-error@+2 {{implicit conversion (ConstructorConversion) from 'bool' to 'std::atomic<int>' [loplugin:implicitboolconversion]}}
  53     // expected-error-re@+1 {{implicit conversion (IntegralCast) from 'bool' to {{.+}} [loplugin:implicitboolconversion]}}
  54     std::atomic<int> a = false;
  55     (void)a;
  56     bool b2 = true;
  57     b2 &= g();
  58     (void)b2;
  59     Sequence<sal_Bool> s1{ false };
  60     (void)s1;
  61     Sequence<Sequence<sal_Bool>> s2{ { false } };
  62     (void)s2;
  63     // expected-error@+1 {{implicit conversion (IntegralCast) from 'bool' to 'const int' [loplugin:implicitboolconversion]}}
  64     Sequence<int> s3{ false };
  65     (void)s3;
  66     // expected-error@+1 {{implicit conversion (IntegralCast) from 'bool' to 'const int' [loplugin:implicitboolconversion]}}
  67     Sequence<Sequence<int>> s4{ { false } };
  68     (void)s4;
  69     Wrap1<sal_Bool> w1{ false };
  70     Sequence<Wrap1<sal_Bool>> s5{ { false } };
  71     (void)s5;
  72     Wrap2<sal_Bool> w2{ false };
  73     (void)w2;
  74     Sequence<Wrap2<sal_Bool>> s6{ { false } };
  75     (void)s6;
  76     h(w1.element);
  77     css::uno::Sequence<sal_Bool> s7(1);
  78     h(s7[0]);
  79     std::array<sal_Bool, 1> s8;
  80     s8[0] = false;
  81 }
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */