1 files changed, 130 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..6a0a196f4e
--- /dev/null
+++ b/qpid/cpp/src/tests/TimerTest.cpp
@@ -0,0 +1,130 @@
+
+/*
+ *
+ * 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/sys/Timer.h"
+#include "qpid/sys/Monitor.h"
+#include "unit_test.h"
+#include <math.h>
+#include <iostream>
+#include <memory>
+#include <boost/format.hpp>
+#include <boost/lexical_cast.hpp>
+
+using namespace qpid::sys;
+using boost::intrusive_ptr;
+using boost::dynamic_pointer_cast;
+
+namespace qpid {
+namespace tests {
+
+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, "Test"), 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);
+        BOOST_CHECK(fired);
+        BOOST_CHECK_EQUAL(expected_position, position);
+        Duration actual(start, end);
+#ifdef _MSC_VER
+        uint64_t difference = _abs64(expected - actual);
+#elif defined(_WIN32)
+        uint64_t difference = labs(expected - actual);
+#else
+        uint64_t difference = abs(expected - actual);
+#endif
+        std::string msg(boost::lexical_cast<std::string>(boost::format("tolerance = %1%, difference = %2%") % tolerance % difference));
+        BOOST_CHECK_MESSAGE(difference < tolerance, msg);
+    }
+
+    void wait(Duration d)
+    {
+        Monitor::ScopedLock l(monitor);
+        monitor.wait(AbsTime(now(), d));
+    }
+};
+
+class DummyRunner : public Runnable
+{
+  public:
+    void run() {}
+};
+
+QPID_AUTO_TEST_SUITE(TimerTestSuite)
+
+QPID_AUTO_TEST_CASE(testGeneral)
+{
+    Counter counter;
+    Timer timer;
+    intrusive_ptr<TestTask> task1(new TestTask(Duration(3 * TIME_SEC), counter));
+    intrusive_ptr<TestTask> task2(new TestTask(Duration(1 * TIME_SEC), counter));
+    intrusive_ptr<TestTask> task3(new TestTask(Duration(4 * TIME_SEC), counter));
+    intrusive_ptr<TestTask> 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);
+}
+
+QPID_AUTO_TEST_SUITE_END()
+
+}} // namespace qpid::tests