100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/*
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SyncClasslock(Test) - validate the type-based Monitor locking
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Copyright (C) Lumiera.org
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2008, 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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#include "lib/test/run.hpp"
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#include "lib/error.hpp"
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#include "lib/sync-classlock.hpp"
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using test::Test;
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namespace lib {
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namespace test {
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namespace { // private test classes and data...
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const uint NUM_INSTANCES = 20; ///< number of probe instances to create
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/**
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* Several instances of this probe class will be created.
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* Each of them acquires the shared lock; but anyway, just
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* by defining this class, the embedded Monitor got created.
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*/
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struct Probe
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{
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ClassLock<Probe> shared_lock_;
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Probe() {}
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~Probe() {}
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};
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} // (End) test classes and data....
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/**************************************************************************
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* @test check proper handling of class (not instance)-based Monitor locks.
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* Because no instance is available in this case, a hidden storage for the
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* Monitor object needs to be provided in a way safe for use even in the
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* static startup/shutdown phase. This test validates the associated
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* refcounting and object creation works as expected. It does \em not
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* validate the locking functionality as such.
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*
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* @see sync.hpp
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*/
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class SyncClasslock_test : public Test
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{
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virtual void
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run (Arg)
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{
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{
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Probe objs[NUM_INSTANCES];
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CHECK (1 == objs[0].shared_lock_.use_count());
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}
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ClassLock<Probe> get_class_lock;
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CHECK ( 1 == get_class_lock.use_count()); // embedded PerClassMonitor<Probe> got created exactly once
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} // and stays alive until static dtors are called....
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};
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/** Register this test class... */
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LAUNCHER (SyncClasslock_test, "unit common");
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}} // namespace lib::test
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