1 files changed, 128 insertions, 0 deletions
diff --git a/qpid/cpp/src/tests/TimerTest.cpp b/qpid/cpp/src/tests/TimerTest.cpp
new file mode 100644
index 0000000000..682699dbd3
--- /dev/null
+++ b/qpid/cpp/src/tests/TimerTest.cpp
@@ -0,0 +1,128 @@
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#include "qpid/broker/Timer.h"
+#include "qpid/sys/Monitor.h"
+#include "qpid_test_plugin.h"
+#include <math.h>
+#include <iostream>
+#include <memory>
+#include <boost/format.hpp>
+
+using namespace qpid::broker;
+using namespace qpid::sys;
+using boost::dynamic_pointer_cast;
+
+class TimerTest : public CppUnit::TestCase  
+{
+    CPPUNIT_TEST_SUITE(TimerTest);
+    CPPUNIT_TEST(testGeneral);
+    CPPUNIT_TEST_SUITE_END();
+
+    class Counter
+    {
+        Mutex lock;
+        uint counter;
+    public:
+        Counter() : counter(0) {}
+        uint next()
+        {
+            Mutex::ScopedLock l(lock);
+            return ++counter;
+        }
+    };
+    
+    class TestTask : public TimerTask
+    {
+        const AbsTime start;
+        const Duration expected;
+        AbsTime end;
+        bool fired;
+        uint position;
+        Monitor monitor;
+        Counter& counter;
+
+    public:
+        TestTask(Duration timeout, Counter& _counter) 
+            : TimerTask(timeout), start(now()), expected(timeout), end(start), fired(false), counter(_counter) {}
+
+        void fire()
+        {
+            Monitor::ScopedLock l(monitor);
+            fired = true;
+            position = counter.next();
+            end = now();
+            monitor.notify();
+        }
+
+        void check(uint expected_position, uint64_t tolerance = 500 * TIME_MSEC)
+        {
+            Monitor::ScopedLock l(monitor);
+            CPPUNIT_ASSERT(fired);
+            CPPUNIT_ASSERT_EQUAL(expected_position, position);
+            Duration actual(start, end);
+            uint64_t difference = abs(expected - actual);
+            std::string msg(boost::lexical_cast<std::string>(boost::format("tolerance = %1%, difference = %2%") % tolerance % difference));
+            CPPUNIT_ASSERT_MESSAGE(msg, difference < tolerance);
+        }
+
+        void wait(Duration d)
+        {
+            Monitor::ScopedLock l(monitor);
+            monitor.wait(AbsTime(now(), d));
+        }
+    };
+
+    class DummyRunner : public Runnable
+    {
+    public:
+        void run() {}
+    };
+
+public:
+
+    void testGeneral()
+    {
+        Counter counter;
+        Timer timer;
+        TestTask::shared_ptr task1(new TestTask(Duration(3 * TIME_SEC), counter));
+        TestTask::shared_ptr task2(new TestTask(Duration(1 * TIME_SEC), counter));
+        TestTask::shared_ptr task3(new TestTask(Duration(4 * TIME_SEC), counter));
+        TestTask::shared_ptr task4(new TestTask(Duration(2 * TIME_SEC), counter));
+        
+        timer.add(task1);
+        timer.add(task2);
+        timer.add(task3);
+        timer.add(task4);
+        
+        dynamic_pointer_cast<TestTask>(task3)->wait(Duration(6 * TIME_SEC));
+        
+        dynamic_pointer_cast<TestTask>(task1)->check(3);
+        dynamic_pointer_cast<TestTask>(task2)->check(1);
+        dynamic_pointer_cast<TestTask>(task3)->check(4);
+        dynamic_pointer_cast<TestTask>(task4)->check(2);
+    }
+};
+
+// Make this test suite a plugin.
+CPPUNIT_PLUGIN_IMPLEMENT();
+CPPUNIT_TEST_SUITE_REGISTRATION(TimerTest);
+