69 lines
2 KiB
C++
69 lines
2 KiB
C++
/*
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TEST-SCOPE-INVALID.hpp - helper for placement scope and scope stack tests
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Copyright (C) Lumiera.org
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2010, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/** @file test-scope-invalid.hpp
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** Unit test helper to generate deliberately wrong placement scopes.
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** Usable to cover error handling related to QueryFocus and ScopePath
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*/
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#ifndef MOBJECT_SESSION_TEST_SCOPE_INVALID_H
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#define MOBJECT_SESSION_TEST_SCOPE_INVALID_H
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#include "proc/mobject/placement.hpp"
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#include "proc/mobject/session/scope.hpp"
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namespace proc {
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namespace mobject {
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namespace session {
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namespace test {
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namespace { // nifty subversive test helper...
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Scope const&
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fabricate_invalidScope()
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{ /**
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* assumed to have identical memory layout
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* to a Scope object, as the latter is implemented
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* by a PlacementRef, which in turn is just an
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* encapsulated Placement-ID
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*/
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struct Ambush
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{
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/** random ID assumed to be
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* nowhere in the model */
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PlacementMO::ID derailed_;
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};
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static Ambush _shady_scope_;
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return *reinterpret_cast<Scope*> (&_shady_scope_);
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}
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}
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}}}} // namespace proc::mobject::session::test
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#endif
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