diff options
Diffstat (limited to 'compilerplugins/clang/test/simplifypointertobool.cxx')
-rw-r--r-- | compilerplugins/clang/test/simplifypointertobool.cxx | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/simplifypointertobool.cxx b/compilerplugins/clang/test/simplifypointertobool.cxx new file mode 100644 index 0000000000..2980003e19 --- /dev/null +++ b/compilerplugins/clang/test/simplifypointertobool.cxx @@ -0,0 +1,74 @@ +/* -*- 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 <memory> +#include "com/sun/star/uno/XInterface.hpp" + +void foo(); + +bool test1(std::unique_ptr<int> p2) +{ + // expected-error@+1 {{simplify, drop the get() [loplugin:simplifypointertobool]}} + if (p2.get()) + foo(); + // expected-error@+1 {{simplify, drop the get() and wrap the expression in a functional cast to bool [loplugin:simplifypointertobool]}} + bool b1 = p2.get(); + // expected-error@+3 {{simplify, drop the get() and turn the surrounding parentheses into a functional cast to bool [loplugin:simplifypointertobool]}} + // expected-note@+1 {{surrounding parentheses here [loplugin:simplifypointertobool]}} + bool b2 = ( // deliberately spread across multiple lines + p2.get()); + return b1 && b2; +} + +void test2(std::shared_ptr<int> p) +{ + // expected-error@+1 {{simplify, drop the get() [loplugin:simplifypointertobool]}} + if (p.get()) + foo(); + // expected-error@+1 {{simplify, convert to '!x' [loplugin:simplifypointertobool]}} + if (p.get() == nullptr) + foo(); + // TODOexpected-error@+1 {{simplify, convert to '!x' [loplugin:simplifypointertobool]}} + if (p == nullptr) + foo(); + // TODOexpected-error@+1 {{simplify, convert to 'x' [loplugin:simplifypointertobool]}} + if (p != nullptr) + foo(); + // expected-error@+1 {{simplify, convert to '!x' [loplugin:simplifypointertobool]}} + if (nullptr == p.get()) + foo(); + // expected-error@+1 {{simplify, convert to 'x' [loplugin:simplifypointertobool]}} + if (p.get() != nullptr) + foo(); + // expected-error@+1 {{simplify, convert to 'x' [loplugin:simplifypointertobool]}} + if (nullptr != p.get()) + foo(); +} + +void test2(int* p) +{ + // TODOexpected-error@+1 {{simplify, convert to '!x' [loplugin:simplifypointertobool]}} + if (p == nullptr) + foo(); + // TODOexpected-error@+1 {{simplify, convert to 'x' [loplugin:simplifypointertobool]}} + if (p != nullptr) + foo(); +} + +void test2(css::uno::Reference<css::uno::XInterface> const& p) +{ + // expected-error@+1 {{simplify, drop the get() [loplugin:simplifypointertobool]}} + if (p.get()) + foo(); + // expected-error@+1 {{simplify, convert to '!x' [loplugin:simplifypointertobool]}} + if (p.get() == nullptr) + foo(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |