public void IsChangedPropertyShouldBeTrueUntilAcceptChangesIsInvoked()
{
var target = new MockEditableObject();
Assert.False( target.IsChanged );
target.BeginEdit();
target.Id = 5;
target.LastName = "bill";
target.FirstName = "mei";
target.CancelEdit();
// initial state was unchanged, so it should still be unchanged
Assert.False( target.IsChanged );
target.BeginEdit();
target.Id = 10;
target.LastName = "john";
target.FirstName = "doe";
target.EndEdit();
// change committed, so it should now be changed
Assert.True( target.IsChanged );
target.BeginEdit();
target.Id = 20;
target.LastName = "jane";
target.FirstName = "doe";
target.CancelEdit();
// although previous edit was canceled, the object was already the
// changed state. it should, therfore, still be in the changed state
Assert.True( target.IsChanged );
target.AcceptChanges();
Assert.False( target.IsChanged );
}
public void AcceptChangesShouldCreateNewSavepoint()
{
// arrange
var target = new MockEditableObject();
target.RecoveryModel = EditRecoveryModel.Full;
target.Id = 5;
target.FirstName = "bill";
target.LastName = "mei";
target.AcceptChanges();
// act
target.BeginEdit();
target.FirstName = "john";
target.LastName = "doe";
target.EndEdit();
target.AcceptChanges();
target.BeginEdit();
target.FirstName = "jane";
target.LastName = "doe";
target.EndEdit();
target.RejectChanges();
// assert
Assert.False( target.IsChanged );
Assert.Equal( "john", target.FirstName );
Assert.Equal( "doe", target.LastName );
}
public void AcceptChangesShouldSignalNoChanges()
{
// arrange
var target = new MockEditableObject();
target.Id = 5;
target.LastName = "bill";
target.FirstName = "mei";
// act
var changed = target.IsChanged;
target.AcceptChanges();
// assert
Assert.True( changed );
Assert.False( target.IsChanged );
}