/// <exception cref="System.Exception"/>
public virtual void TestSBNCheckpoints()
{
JournalSet standbyJournalSet = NameNodeAdapter.SpyOnJournalSet(nn1);
DoEdits(0, 10);
HATestUtil.WaitForStandbyToCatchUp(nn0, nn1);
// Once the standby catches up, it should notice that it needs to
// do a checkpoint and save one to its local directories.
HATestUtil.WaitForCheckpoint(cluster, 1, ImmutableList.Of(12));
GenericTestUtils.WaitFor(new _Supplier_147(this), 1000, 60000);
// It should have saved the oiv image too.
NUnit.Framework.Assert.AreEqual("One file is expected", 1, tmpOivImgDir.List().Length
);
// It should also upload it back to the active.
HATestUtil.WaitForCheckpoint(cluster, 0, ImmutableList.Of(12));
// The standby should never try to purge edit logs on shared storage.
Org.Mockito.Mockito.Verify(standbyJournalSet, Org.Mockito.Mockito.Never()).PurgeLogsOlderThan
(Org.Mockito.Mockito.AnyLong());
}