120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <o3tl/typed_flags_set.hxx>
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namespace test1
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{
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void test1()
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{
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enum NameClashMode
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{
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NONE,
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NO_CLASH // expected-error {{write NO_CLASH [loplugin:unusedenumconstants]}}
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};
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NameClashMode eNameClashMode = NO_CLASH;
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(void)eNameClashMode;
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}
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};
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enum class BrowseMode
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{
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Modules = 0x01, // expected-error {{read Modules [loplugin:unusedenumconstants]}}
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Top = 0x02, // expected-error {{write Top [loplugin:unusedenumconstants]}}
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Bottom = 0x04, // expected-error {{read Bottom [loplugin:unusedenumconstants]}}
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Left = 0x08, // expected-error {{write Left [loplugin:unusedenumconstants]}}
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};
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namespace o3tl
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{
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template <> struct typed_flags<BrowseMode> : is_typed_flags<BrowseMode, 0xf>
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{
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};
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}
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BrowseMode g_flags;
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int test2(BrowseMode nMode)
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{
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if (nMode & BrowseMode::Modules)
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return 1;
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g_flags |= BrowseMode::Top;
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return 0;
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}
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bool test2b(BrowseMode nMode) { return bool(nMode & BrowseMode::Bottom); }
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BrowseMode test2c() { return BrowseMode::Left; }
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enum class Enum3
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{
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One = 0x01, // expected-error {{write One [loplugin:unusedenumconstants]}}
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Two = 0x02 // expected-error {{write Two [loplugin:unusedenumconstants]}}
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};
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namespace o3tl
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{
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template <> struct typed_flags<Enum3> : is_typed_flags<Enum3, 0x3>
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{
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};
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}
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void test3_foo(Enum3);
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void test3() { test3_foo(Enum3::One | Enum3::Two); }
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namespace test4
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{
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enum Enum4
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{
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ONE, // expected-error {{write ONE [loplugin:unusedenumconstants]}}
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TWO
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};
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struct Test4Base
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{
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Test4Base(Enum4) {}
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};
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struct Test4 : public Test4Base
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{
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Test4()
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: Test4Base(Enum4::ONE)
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{
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}
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};
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};
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//-----------------------------------------------------------------------------------
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// check that conditional operator walks up the tree
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namespace test5
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{
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enum Enum
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{
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ONE, // expected-error {{write ONE [loplugin:unusedenumconstants]}}
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TWO // expected-error {{write TWO [loplugin:unusedenumconstants]}}
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};
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Enum foo(int x) { return x == 1 ? Enum::ONE : Enum::TWO; }
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};
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//-----------------------------------------------------------------------------------
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// Ignore a common pattern that does not introduce any new information, merely removes
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// information.
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enum class Enum6
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{
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Modules = 0x01, // expected-error {{write Modules [loplugin:unusedenumconstants]}}
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Top = 0x02,
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};
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namespace o3tl
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{
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template <> struct typed_flags<Enum6> : is_typed_flags<Enum6, 0x03>
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{
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};
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}
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void test6()
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{
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Enum6 foo = Enum6::Modules;
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foo &= ~Enum6::Top;
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foo &= (~Enum6::Top);
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(void)foo;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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