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author | Eliot Horowitz <eliot@10gen.com> | 2009-12-02 15:14:43 -0500 |
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committer | Eliot Horowitz <eliot@10gen.com> | 2009-12-02 15:14:43 -0500 |
commit | ac1f4db189a9e0d810026d862151ba860209d7c1 (patch) | |
tree | 4bc21219757106d73a526cb3349032069481f777 | |
parent | 9ba5360e8bd3cb7741c0dfcad9d7453a340d2a98 (diff) | |
parent | c58d0d3123e754b9816cf48ef4754d924eec9def (diff) | |
download | mongo-ac1f4db189a9e0d810026d862151ba860209d7c1.tar.gz |
Merge branch 'master' of git@github.com:mongodb/mongo
-rw-r--r-- | dbtests/threadedtests.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/dbtests/threadedtests.cpp b/dbtests/threadedtests.cpp new file mode 100644 index 00000000000..a3e8562c8f8 --- /dev/null +++ b/dbtests/threadedtests.cpp @@ -0,0 +1,79 @@ +// threadedtests.cpp - Tests for threaded code +// + +/** + * Copyright (C) 2008 10gen Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "stdafx.h" +#include <boost/thread.hpp> +#include <boost/bind.hpp> + +#include "dbtests.h" + +namespace ThreadedTests { + + template <int nthreads_param=10> + class ThreadedTest{ + public: + virtual void setup() {} //optional + virtual void subthread() = 0; + virtual void validate() = 0; + + static const int nthreads = nthreads_param; + + void run(){ + setup(); + + boost::thread threads[nthreads]; + for(int i=0; i < nthreads; i++){ + boost::thread athread(boost::bind(&ThreadedTest::subthread, this)); + threads[i].swap(athread); + } + + for(int i=0; i < nthreads; i++) + threads[i].join(); + + validate(); + } + + virtual ~ThreadedTest() {}; // not necessary, but makes compilers happy + }; + + class IsWrappingIntAtomic : public ThreadedTest<> { + static const int iterations = 1000000; + WrappingInt target; + + void subthread(){ + for(int i=0; i < iterations; i++){ + //target.x++; // verified to fail with this version + target.atomicIncrement(); + } + } + void validate(){ + ASSERT_EQUALS(target.x , unsigned(nthreads * iterations)); + } + }; + + class All : public Suite { + public: + All() : Suite( "threading" ){ + } + + void setupTests(){ + add< IsWrappingIntAtomic >(); + } + } myall; +} |