event-scheduler passes tests
diff --git a/test/test-event-scheduler.cc b/test/test-event-scheduler.cc
new file mode 100644
index 0000000..950a69e
--- /dev/null
+++ b/test/test-event-scheduler.cc
@@ -0,0 +1,138 @@
+#include "event-scheduler.h"
+
+#include <boost/test/unit_test.hpp>
+#include <map>
+#include <unistd.h>
+
+using namespace boost;
+using namespace std;
+
+BOOST_AUTO_TEST_SUITE(SchedulerTests)
+
+map<string, int> table;
+
+void func(string str)
+{
+ map<string, int>::iterator it = table.find(str);
+ if (it == table.end())
+ {
+ table.insert(make_pair(str, 1));
+ }
+ else
+ {
+ int count = it->second;
+ count++;
+ table.erase(it);
+ table.insert(make_pair(str, count));
+ }
+}
+
+bool
+matcher(const TaskPtr &task)
+{
+ return task->tag() == "period" || task->tag() == "world";
+}
+
+BOOST_AUTO_TEST_CASE(SchedulerTest)
+{
+ SchedulerPtr scheduler(new Scheduler());
+ IntervalGeneratorPtr generator(new SimpleIntervalGenerator(0.2));
+
+ string tag1 = "hello";
+ string tag2 = "world";
+ string tag3 = "period";
+
+ TaskPtr task1(new Task(boost::bind(func, tag1), tag1, scheduler));
+ TaskPtr task2(new Task(boost::bind(func, tag2), tag2, scheduler));
+ TaskPtr task3(new Task(boost::bind(func, tag3), tag3, scheduler, generator));
+
+ scheduler->start();
+ scheduler->addTask(task1, 0.5);
+ scheduler->addTask(task2, 0.5);
+ scheduler->addTask(task3);
+ BOOST_CHECK_EQUAL(scheduler->size(), 3);
+ usleep(600000);
+ BOOST_CHECK_EQUAL(scheduler->size(), 1);
+ task1->reset();
+ scheduler->addTask(task1, 0.5);
+ BOOST_CHECK_EQUAL(scheduler->size(), 2);
+ usleep(600000);
+ task1->reset();
+ scheduler->addTask(task1, 0.5);
+ BOOST_CHECK_EQUAL(scheduler->size(), 2);
+ usleep(400000);
+ scheduler->deleteTask(task1->tag());
+ BOOST_CHECK_EQUAL(scheduler->size(), 1);
+ usleep(200000);
+
+ task1->reset();
+ task2->reset();
+ scheduler->addTask(task1, 0.5);
+ scheduler->addTask(task2, 0.5);
+ BOOST_CHECK_EQUAL(scheduler->size(), 3);
+ usleep(100000);
+ scheduler->deleteTask(bind(matcher, _1));
+ BOOST_CHECK_EQUAL(scheduler->size(), 1);
+ usleep(1000000);
+
+ scheduler->shutdown();
+
+ int hello = 0, world = 0, period = 0;
+
+ map<string, int>::iterator it;
+ it = table.find(tag1);
+ if (it != table.end())
+ {
+ hello = it->second;
+ }
+ it = table.find(tag2);
+ if (it != table.end())
+ {
+ world = it->second;
+ }
+ it = table.find(tag3);
+ if (it != table.end())
+ {
+ period = it->second;
+ }
+
+ // added four times, canceled once before invoking callback
+ BOOST_CHECK_EQUAL(hello, 3);
+ // added two times, canceled once by matcher before invoking callback
+ BOOST_CHECK_EQUAL(world, 1);
+ // invoked every 0.2 seconds before deleted by matcher
+ BOOST_CHECK_EQUAL(period, static_cast<int>((0.6 + 0.6 + 0.4 + 0.2 + 0.1) / 0.2));
+
+}
+
+BOOST_AUTO_TEST_CASE(GeneratorTest)
+{
+ double interval = 10;
+ double percent = 0.5;
+ int times = 10000;
+ IntervalGeneratorPtr generator(new RandomIntervalGenerator(interval, percent));
+ double sum = 0.0;
+ double min = 2 * interval;
+ double max = -1;
+ for (int i = 0; i < times; i++)
+ {
+ double next = generator->nextInterval();
+ sum += next;
+ if (next > max)
+ {
+ max = next;
+ }
+ if (next < min)
+ {
+ min = next;
+ }
+ }
+
+ BOOST_CHECK( abs(1.0 - (sum / static_cast<double>(times)) / interval) < 0.05);
+ BOOST_CHECK( min > interval * (1 - percent / 2.0));
+ BOOST_CHECK( max < interval * (1 + percent / 2.0));
+ BOOST_CHECK( abs(1.0 - ((max - min) / interval) / percent) < 0.05);
+
+}
+
+BOOST_AUTO_TEST_SUITE_END()