public void SingleServerReaderSingleServerUpdater2(bool useReaderCommit)
{
const UInt32 dbNum = 567;
using (ServerClientSession updater = new ServerClientSession(systemDir))
using (ServerClientSession reader = new ServerClientSession(systemDir, null, 2000, true, false, CacheEnum.No)) // CacheEnum.No or cache validating on session.Begin() - makes test fail
{
updater.BeginUpdate();
Database db = updater.OpenDatabase(dbNum, true, false);
if (db != null)
updater.DeleteDatabase(db);
updater.Commit();
updater.BeginUpdate();
Man man;
Placement place = new Placement(dbNum, 1, 1, 2);
for (int i = 0; i < 100; i++)
{
man = new Man();
man.Persist(place, updater);
}
updater.Commit();
reader.BeginRead();
db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
Assert.True(page.PageInfo.VersionNumber == 1);
if (useReaderCommit)
reader.Commit();
updater.BeginUpdate();
if (useReaderCommit)
reader.BeginRead();
else
reader.ForceDatabaseCacheValidation();
for (int i = 1; i < 25; i++)
{
db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
if (useReaderCommit)
{
reader.Commit();
reader.BeginRead();
}
else
reader.ForceDatabaseCacheValidation();
updater.Commit();
updater.BeginUpdate();
}
Database db2 = reader.OpenDatabase(dbNum);
db = updater.OpenDatabase(dbNum);
for (int i = 25; i < 50; i++)
{
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
updater.FlushUpdates(); // now server will see updated version of pages
foreach (Page page in db2)
{
if (page.PageNumber > 0)
{ // BUG Nov 8, 2011 1.0.4.0 reader sees version 28 when it should see version 27
Assert.True(page.PageInfo.VersionNumber == (ulong)i); // reader should see the commited version of the page, not the uncommited updated version
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
}
}
reader.ClearPageCache(); // required or else we will use cached page and Assert (see line above) will fail
System.GC.Collect(); // force weak referenced pages to be garbage collected (again to avoid Assert failure)
updater.Commit();
updater.BeginUpdate();
}
reader.Commit();
updater.DeleteDatabase(db);
updater.Commit();
}
}
public void SingleServerReaderSingleServerUpdater2(bool useReaderCommit)
{
const UInt32 dbNum = 567;
using (ServerClientSession updater = new ServerClientSession(systemDir))
using (ServerClientSession reader = new ServerClientSession(systemDir, null, 2000, true, false, CacheEnum.No)) // CacheEnum.No or cache validating on session.Begin() - makes test fail
{
updater.BeginUpdate();
Database db = updater.OpenDatabase(dbNum, true, false);
if (db != null)
{
updater.DeleteDatabase(db);
}
updater.Commit();
updater.BeginUpdate();
Man man;
Placement place = new Placement(dbNum, 1, 1, 2);
for (int i = 0; i < 100; i++)
{
man = new Man();
man.Persist(place, updater);
}
updater.Commit();
reader.BeginRead();
db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
{
Assert.True(page.PageInfo.VersionNumber == 1);
}
if (useReaderCommit)
{
reader.Commit();
}
updater.BeginUpdate();
if (useReaderCommit)
{
reader.BeginRead();
}
else
{
reader.ForceDatabaseCacheValidation();
}
for (int i = 1; i < 25; i++)
{
db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
if (useReaderCommit)
{
reader.Commit();
reader.BeginRead();
}
else
{
reader.ForceDatabaseCacheValidation();
}
updater.Commit();
updater.BeginUpdate();
}
Database db2 = reader.OpenDatabase(dbNum);
db = updater.OpenDatabase(dbNum);
for (int i = 25; i < 50; i++)
{
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
updater.FlushUpdates(); // now server will see updated version of pages
foreach (Page page in db2)
{
if (page.PageNumber > 0)
{ // BUG Nov 8, 2011 1.0.4.0 reader sees version 28 when it should see version 27
Assert.True(page.PageInfo.VersionNumber == (ulong)i); // reader should see the commited version of the page, not the uncommited updated version
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
}
}
reader.ClearPageCache(); // required or else we will use cached page and Assert (see line above) will fail
System.GC.Collect(); // force weak referenced pages to be garbage collected (again to avoid Assert failure)
updater.Commit();
updater.BeginUpdate();
}
reader.Commit();
updater.DeleteDatabase(db);
updater.Commit();
}
}
public void SingleServerReaderSingleServerUpdater1()
{
ServerClientSession updater = new ServerClientSession(systemDir);
ServerClientSession reader = new ServerClientSession(systemDir);
const UInt32 dbNum = 345;
try
{
updater.BeginUpdate();
Man man;
Placement place = new Placement(dbNum, 1, 1, 2);
for (int i = 0; i < 100; i++)
{
man = new Man();
man.Persist(place, updater);
}
updater.Commit();
reader.BeginRead();
Database db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
Assert.True(page.PageInfo.VersionNumber == 1);
reader.Commit();
updater.BeginUpdate();
reader.BeginRead();
for (int i = 1; i < 25; i++)
{
db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
reader.Commit();
reader.BeginRead();
updater.Commit();
updater.BeginUpdate();
reader.ForceDatabaseCacheValidation(); // we now validate on BeginRead so to make this test pass, we need to add this call after updater commit.
}
Database db2 = reader.OpenDatabase(dbNum);
db = updater.OpenDatabase(dbNum);
for (int i = 25; i < 50; i++)
{
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
updater.Commit();
updater.BeginUpdate();
foreach (Page page in db2)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i + 1);
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
}
}
reader.ClearPageCache(); // required or else we will use cached page and Assert (see line above) will fail
System.GC.Collect(); // force weak referenced pages to be garbage collected (again to avoid Assert failure)
}
reader.Commit();
updater.DeleteDatabase(db);
updater.Commit();
}
finally
{
updater.Dispose();
reader.Dispose();
}
}
public void SingleServerReaderSingleServerUpdater1()
{
ServerClientSession updater = new ServerClientSession(systemDir);
ServerClientSession reader = new ServerClientSession(systemDir);
const UInt32 dbNum = 345;
try
{
updater.BeginUpdate();
Man man;
Placement place = new Placement(dbNum, 1, 1, 2);
for (int i = 0; i < 100; i++)
{
man = new Man();
man.Persist(place, updater);
}
updater.Commit();
reader.BeginRead();
Database db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
{
Assert.True(page.PageInfo.VersionNumber == 1);
}
reader.Commit();
updater.BeginUpdate();
reader.BeginRead();
for (int i = 1; i < 25; i++)
{
db = reader.OpenDatabase(dbNum);
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
reader.Commit();
reader.BeginRead();
updater.Commit();
updater.BeginUpdate();
reader.ForceDatabaseCacheValidation(); // we now validate on BeginRead so to make this test pass, we need to add this call after updater commit.
}
Database db2 = reader.OpenDatabase(dbNum);
db = updater.OpenDatabase(dbNum);
for (int i = 25; i < 50; i++)
{
foreach (Page page in db)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i);
Man manUpdated = (Man)updater.Open(dbNum, page.PageNumber, 1, true);
}
}
updater.Commit();
updater.BeginUpdate();
foreach (Page page in db2)
{
if (page.PageNumber > 0)
{
Assert.True(page.PageInfo.VersionNumber == (ulong)i + 1);
Man man2 = (Man)reader.Open(dbNum, page.PageNumber, 1, false);
}
}
reader.ClearPageCache(); // required or else we will use cached page and Assert (see line above) will fail
System.GC.Collect(); // force weak referenced pages to be garbage collected (again to avoid Assert failure)
}
reader.Commit();
updater.DeleteDatabase(db);
updater.Commit();
}
finally
{
updater.Dispose();
reader.Dispose();
}
}