public void CombiningEntireSubtreeWithAnythingShouldReturnEntireSubtree()
{
SelectedPropertiesNode.CombineNodes(EntireSubtreeNode, EntireSubtreeNode).Should().HaveEntireSubtree();
this.VerifyCombination(EmptyNode, EntireSubtreeNode, n => n.Should().HaveEntireSubtree());
this.VerifyCombination(SelectedPropertiesNode.Create("*"), EntireSubtreeNode, n => n.Should().HaveEntireSubtree());
}
public void CombiningEmptyWithAnythingShouldReturnTheOtherThing()
{
SelectedPropertiesNode.CombineNodes(EmptyNode, EmptyNode).Should().BeSameAsEmpty();
SelectedPropertiesNode nonEmpty = SelectedPropertiesNode.Create("*");
this.VerifyCombination(EmptyNode, nonEmpty, n => n.Should().BeSameAs(nonEmpty));
}
private void VerifyCombination(SelectedPropertiesNode left, SelectedPropertiesNode right, Action <SelectedPropertiesNode> verify)
{
var result = SelectedPropertiesNode.CombineNodes(left, right);
verify(result);
result = SelectedPropertiesNode.CombineNodes(right, left);
verify(result);
}