diff options
Diffstat (limited to 'compilerplugins/clang/test/typeidcomparison.cxx')
| -rw-r--r-- | compilerplugins/clang/test/typeidcomparison.cxx | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/typeidcomparison.cxx b/compilerplugins/clang/test/typeidcomparison.cxx new file mode 100644 index 000000000000..31ab749a2496 --- /dev/null +++ b/compilerplugins/clang/test/typeidcomparison.cxx @@ -0,0 +1,41 @@ +/* -*- 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 <typeinfo> + +struct Base +{ + virtual ~Base(); +}; + +struct Derived : Base +{ +}; + +void good(Base* p) +{ + (void)(typeid(*p) == typeid(Derived)); + (void)(typeid(Derived) == typeid(*p)); + (void)(typeid(*p) != typeid(Derived)); + (void)(typeid(Derived) != typeid(*p)); +} + +void bad(Base* p) +{ + // expected-error@+1 {{comparison of type info of mixed pointer and non-pointer types 'Base *' and 'Derived' can never succeed [loplugin:typeidcomparison]}} + (void)(typeid(p) == typeid(Derived)); + // expected-error@+1 {{comparison of type info of mixed pointer and non-pointer types 'Derived' and 'Base *' can never succeed [loplugin:typeidcomparison]}} + (void)(typeid(Derived) == typeid(p)); + // expected-error@+1 {{comparison of type info of mixed pointer and non-pointer types 'Base *' and 'Derived' can never succeed [loplugin:typeidcomparison]}} + (void)(typeid(p) != typeid(Derived)); + // expected-error@+1 {{comparison of type info of mixed pointer and non-pointer types 'Derived' and 'Base *' can never succeed [loplugin:typeidcomparison]}} + (void)(typeid(Derived) != typeid(p)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |