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https://github.com/FairRootGroup/FairMQ.git
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b7d97f6306
In fact, this commit will workaround a bug with template alias compilation from Clang 3.4 to Clang 3.8.
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/********************************************************************************
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* Copyright (C) 2017 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#include <gtest/gtest.h>
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#include <fairmq/EventManager.h>
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#include <string>
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namespace
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{
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using namespace std;
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using namespace fair::mq;
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struct TestEvent : fair::mq::Event<const std::string&> {};
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TEST(EventManager, Basics)
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{
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EventManager mgr{};
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int call_counter = 0;
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int call_counter2 = 0;
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int value = 0;
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string value2;
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std::function<void(typename TestEvent::KeyType, int)> callback{
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[&](TestEvent::KeyType key, int newValue){
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++call_counter;
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if (key == "test") value = newValue;
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}
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};
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std::function<void(typename TestEvent::KeyType, string)> callback2{
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[&](TestEvent::KeyType key, string newValue){
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++call_counter2;
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if (key == "test") value2 = newValue;
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}
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};
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mgr.Subscribe<TestEvent, int>("foo_subscriber", callback);
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// double subscription will automatically unsubscribe first
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mgr.Subscribe<TestEvent, int>("foo_subscriber", callback);
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mgr.Emit<TestEvent>(TestEvent::KeyType{"test"}, 42);
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ASSERT_EQ(call_counter, 1);
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ASSERT_EQ(value, 42);
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mgr.Unsubscribe<TestEvent, int>("foo_subscriber");
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mgr.Emit<TestEvent>(TestEvent::KeyType{"test"}, 13);
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ASSERT_EQ(call_counter, 1);
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mgr.Subscribe<TestEvent, int>("foo_subscriber", callback);
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mgr.Subscribe<TestEvent, string>("foo_subscriber", callback2);
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// two different callbacks:
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mgr.Emit<TestEvent>(TestEvent::KeyType{"test"}, 9000);
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mgr.Emit<TestEvent>(TestEvent::KeyType{"test"}, string{"over 9000"});
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ASSERT_EQ(call_counter, 2);
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ASSERT_EQ(value, 9000);
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ASSERT_EQ(call_counter2, 1);
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ASSERT_EQ(value2, "over 9000");
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}
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} // namespace
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