public void ChangesTest()
{
ProductCategory category = Changes.Create();
Changes.Update();
Changes.SaveNoChanges();
Changes.UpdateWithoutRead(category.ProductCategoryID);
Changes.Delete();
Changes.DeleteWithoutRead(category.ProductCategoryID);
try
{
Changes.DeleteWithAssociation();
Assert.Fail();
}
catch (DbUpdateException exception)
{
Trace.WriteLine(exception);
}
Changes.DeleteAllAssociated();
try
{
Changes.UntrackedChanges();
Assert.Fail();
}
catch (InvalidOperationException exception)
{
Trace.WriteLine(exception);
}
}