From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- compilerplugins/clang/test/reducevarscope.cxx | 99 +++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 compilerplugins/clang/test/reducevarscope.cxx (limited to 'compilerplugins/clang/test/reducevarscope.cxx') diff --git a/compilerplugins/clang/test/reducevarscope.cxx b/compilerplugins/clang/test/reducevarscope.cxx new file mode 100644 index 000000000..ca4ed09be --- /dev/null +++ b/compilerplugins/clang/test/reducevarscope.cxx @@ -0,0 +1,99 @@ +/* -*- 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 + +#pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13 +#pragma clang diagnostic ignored "-Wunused-but-set-variable" + +void test1() +{ + int i = 2; // expected-error {{can reduce scope of var [loplugin:reducevarscope]}} + { + i = 3; // expected-note {{used here [loplugin:reducevarscope]}} + } + int j = 2; // expected-error {{can reduce scope of var [loplugin:reducevarscope]}} + { + j = 3; // expected-note {{used here [loplugin:reducevarscope]}} + { + j = 4; // expected-note {{used here [loplugin:reducevarscope]}} + } + } +} + +// negative test - seen inside a loop +void test2() +{ + int i = 2; + for (int j = 1; j < 10; ++j) + { + i = 3; + } +} + +// negative test - initial assignment from non-constant +void test3() +{ + int j = 1; + int i = j; + { + i = 3; + } +} + +// negative test +void test4() +{ + int i = 2; + { + i = 3; + } + i = 4; +} + +// negative test +void test5() +{ + int i = 2; + i = 3; +} + +// negative test - seen in 2 child blocks +void test6() +{ + int i; + { + i = 3; + } + { + i = 3; + } +} + +// TODO negative test - storing pointer to OUString data +// void test7() +// { +// OUString s; +// const sal_Unicode* p = nullptr; +// { +// p = s.getStr(); +// } +// auto p2 = p; +// (void)p2; +// } + +// negative test - passing var into lambda +void test8() +{ + int i; + auto l1 = [&]() { i = 1; }; + (void)l1; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ -- cgit v1.2.3