public void AutoNumberField_Seed()
{
var field = new AutoNumberField( );
field.Name = "TestAutoNumberField";
field.AutoNumberSeed = 123;
var definition = new Definition( );
definition.Name = "TestAutoNumberDefinition";
definition.Fields.Add(field.As <Field>( ));
definition.Save( );
Entity instance1 = new Entity(definition.Id);
instance1.Save( );
int value = instance1.GetField <int>(field);
Assert.AreEqual(123, value);
Entity instance2 = new Entity(definition.Id);
instance2.Save( );
value = instance2.GetField <int>(field);
Assert.AreEqual(124, value);
Entity instance3 = new Entity(definition.Id);
instance3.Save( );
value = instance3.GetField <int>(field);
Assert.AreEqual(125, value);
}
public void AutoNumberField_Concurrency( )
{
var field = new AutoNumberField( );
var definition = new Definition( );
var deletables = new List <Entity>( );
try
{
field.Name = "TestAutoNumberField";
definition.Name = "TestAutoNumberDefinition";
definition.Fields.Add(field.As <Field>( ));
definition.Save( );
var values = new List <int>( );
object lockObject = new object( );
var thread1 = new Thread(() =>
{
for (int i = 0; i < 10; i++)
{
var instance = new Entity(definition.Id);
instance.Save( );
deletables.Add(instance);
int value = instance.GetField <int>(field);
lock ( lockObject )
{
values.Add(value);
}
}
});
var thread2 = new Thread(() =>
{
for (int i = 0; i < 10; i++)
{
var instance = new Entity(definition.Id);
instance.Save( );
deletables.Add(instance);
int value = instance.GetField <int>(field);
lock ( lockObject )
{
values.Add(value);
}
}
});
thread1.IsBackground = true;
thread1.Start( );
thread2.IsBackground = true;
thread2.Start( );
thread1.Join( );
thread2.Join( );
Assert.AreEqual(20, values.Count);
Assert.AreEqual(20, values.Distinct( ).Count( ));
for (int i = 1; i <= 20; i++)
{
Assert.IsTrue(values.Contains(i));
}
}
finally
{
deletables.ForEach(e => e.Delete( ));
definition.Delete( );
field.Delete( );
}
}