public void NextAndPrevInSelectionSeq()
{
var styles = new AssembledStyles();
var root = new RootBox(styles);
Assert.That(root.NextInSelectionSequence(true), Is.Null);
Assert.That(root.PreviousInSelectionSequence, Is.Null);
var block = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block);
Assert.That(root.NextInSelectionSequence(true), Is.EqualTo(block));
Assert.That(block.PreviousInSelectionSequence, Is.EqualTo(root));
var div = new DivBox(styles);
root.AddBox(div);
Assert.That(block.NextInSelectionSequence(true), Is.EqualTo(div));
Assert.That(div.PreviousInSelectionSequence, Is.EqualTo(block));
var divChild = new DivBox(styles);
div.AddBox(divChild);
var block2 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block2);
var block3 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block3);
var block4 = new BlockBox(styles, Color.Red, 6000, 6000);
div.AddBox(block4);
// up and forward
Assert.That(block3.NextInSelectionSequence(true), Is.EqualTo(block4));
Assert.That(block4.PreviousInSelectionSequence, Is.EqualTo(block3));
// Can go back from a box to a previous empty group
var emptyDiv = new DivBox(styles);
root.AddBox(emptyDiv);
var block5 = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block5);
Assert.That(emptyDiv.NextInSelectionSequence(true), Is.EqualTo(block5));
Assert.That(block5.PreviousInSelectionSequence, Is.EqualTo(emptyDiv));
Assert.That(div.NextInSelectionSequence(true), Is.EqualTo(divChild));
Assert.That(div.NextInSelectionSequence(false), Is.EqualTo(emptyDiv));
}
public void NextAndPrevInSelectionSeq()
{
var styles = new AssembledStyles();
var root = new RootBox(styles);
Assert.That(root.NextInSelectionSequence(true), Is.Null);
Assert.That(root.PreviousInSelectionSequence, Is.Null);
var block = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block);
Assert.That(root.NextInSelectionSequence(true), Is.EqualTo(block));
Assert.That(block.PreviousInSelectionSequence, Is.EqualTo(root));
var div = new DivBox(styles);
root.AddBox(div);
Assert.That(block.NextInSelectionSequence(true), Is.EqualTo(div));
Assert.That(div.PreviousInSelectionSequence, Is.EqualTo(block));
var divChild = new DivBox(styles);
div.AddBox(divChild);
var block2 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block2);
var block3 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block3);
var block4 = new BlockBox(styles, Color.Red, 6000, 6000);
div.AddBox(block4);
// up and forward
Assert.That(block3.NextInSelectionSequence(true), Is.EqualTo(block4));
Assert.That(block4.PreviousInSelectionSequence, Is.EqualTo(block3));
// Can go back from a box to a previous empty group
var emptyDiv = new DivBox(styles);
root.AddBox(emptyDiv);
var block5 = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block5);
Assert.That(emptyDiv.NextInSelectionSequence(true), Is.EqualTo(block5));
Assert.That(block5.PreviousInSelectionSequence, Is.EqualTo(emptyDiv));
Assert.That(div.NextInSelectionSequence(true), Is.EqualTo(divChild));
Assert.That(div.NextInSelectionSequence(false), Is.EqualTo(emptyDiv));
}
