public void TryMerge_Should_return_false_When_newValue_and_oldValue_are_different()
{
Action <int> setter = Substitute.For <Action <int> >();
IMergeableUnDo value = new ValueUnDo <int>("test", setter, 1, 1);
Check.That(value.TryMerge(new ValueUnDo <int>("test", setter, 2, 2), out _)).IsFalse();
}
public void TryMerge_Should_return_false_When_other_is_not_GroupUnDo_with_single_ValueUnDo()
{
IMergeableUnDo value = new ValueUnDo <int>("test", _ => { }, 0, 0);
IUnDo undo = Substitute.For <IUnDo>();
undo.Description.Returns("test");
Check.That(value.TryMerge(new GroupUnDo("test", undo), out _)).IsFalse();
}
public void TryMerge_Should_return_false_When_description_are_different()
{
IMergeableUnDo value = new ValueUnDo <int>("kikoo", _ => { }, 0, 0);
IUnDo undo = Substitute.For <IUnDo>();
undo.Description.Returns("lol");
Check.That(value.TryMerge(undo, out _)).IsFalse();
}
public void TryMerge_Should_return_false_When_timestamp_are_too_far()
{
Action <int> setter = Substitute.For <Action <int> >();
IMergeableUnDo value = new ValueUnDo <int>("test", setter, 1, 0);
Thread.Sleep(1000);
Check.That(value.TryMerge(new ValueUnDo <int>("test", setter, 2, 1), out _)).IsFalse();
}
public void TryMerge_Should_return_true_When_merged_with_GroupUnDo()
{
int item = 0;
void setter(int v) => item = v;
IMergeableUnDo value = new ValueUnDo <int>("test", setter, 1, 0);
Check.That(value.TryMerge(new GroupUnDo("test", new ValueUnDo <int>("test", setter, 2, 1)), out IUnDo merged)).IsTrue();
Check.That(merged.Description).IsEqualTo(value.Description);
merged.Do();
Check.That(item).IsEqualTo(2);
merged.Undo();
Check.That(item).IsEqualTo(0);
}
public void TryMerge_Should_return_false_When_setter_are_different()
{
IMergeableUnDo value = new ValueUnDo <int>("test", Substitute.For <Action <int> >(), 0, 0);
Check.That(value.TryMerge(new ValueUnDo <int>("test", Substitute.For <Action <int> >(), 0, 0), out _)).IsFalse();
}