public virtual void TestGroupIteratorConcurrency()
{
Counters counters = new Counters();
counters.IncrCounter("group1", "counter1", 1);
Counters.Group group = counters.GetGroup("group1");
IEnumerator <Counters.Counter> iterator = group.GetEnumerator();
counters.IncrCounter("group1", "counter2", 1);
iterator.Next();
}
public virtual void TestFilesystemCounter()
{
Counters.GroupFactory groupFactory = new GroupFactoryForTest();
Counters.Group fsGroup = groupFactory.NewFileSystemGroup();
Counter count1 = fsGroup.FindCounter("ANY_BYTES_READ");
NUnit.Framework.Assert.IsNotNull(count1);
// Verify no exception get thrown when finding an unknown counter
Counter count2 = fsGroup.FindCounter("Unknown");
NUnit.Framework.Assert.IsNull(count2);
}
public virtual void TestFrameworkCounter()
{
Counters.GroupFactory groupFactory = new GroupFactoryForTest();
CounterGroupFactory.FrameworkGroupFactory frameworkGroupFactory = groupFactory.NewFrameworkGroupFactory
<JobCounter>();
Counters.Group group = (Counters.Group)frameworkGroupFactory.NewGroup("JobCounter"
);
FrameworkCounterGroup counterGroup = (FrameworkCounterGroup)group.GetUnderlyingGroup
();
Counter count1 = counterGroup.FindCounter(JobCounter.NumFailedMaps.ToString());
NUnit.Framework.Assert.IsNotNull(count1);
// Verify no exception get thrown when finding an unknown counter
Counter count2 = counterGroup.FindCounter("Unknown");
NUnit.Framework.Assert.IsNull(count2);
}
public virtual void TestFileSystemGroupIteratorConcurrency()
{
Counters counters = new Counters();
// create 2 filesystem counter groups
counters.FindCounter("fs1", FileSystemCounter.BytesRead).Increment(1);
counters.FindCounter("fs2", FileSystemCounter.BytesRead).Increment(1);
// Iterate over the counters in this group while updating counters in
// the group
Counters.Group group = counters.GetGroup(typeof(FileSystemCounter).FullName);
IEnumerator <Counters.Counter> iterator = group.GetEnumerator();
counters.FindCounter("fs3", FileSystemCounter.BytesRead).Increment(1);
NUnit.Framework.Assert.IsTrue(iterator.HasNext());
iterator.Next();
counters.FindCounter("fs3", FileSystemCounter.BytesRead).Increment(1);
NUnit.Framework.Assert.IsTrue(iterator.HasNext());
iterator.Next();
}