public void Checkpoint_Test()
{
var target = new ListSequence <int>(new[] { 1, 2, 3 }, 0);
target.GetNext().Should().Be(1);
target.GetNext().Should().Be(2);
var cp = target.Checkpoint();
target.GetNext().Should().Be(3);
target.GetNext().Should().Be(0);
cp.Rewind();
target.GetNext().Should().Be(3);
target.GetNext().Should().Be(0);
}
public void Location_Rewind()
{
var target = new ListSequence <int>(new[] { 1, 2, 3 }, 0);
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(0);
target.GetNext();
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(1);
var checkpoint = target.Checkpoint();
target.GetNext();
target.GetNext();
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(3);
checkpoint.Rewind();
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(1);
}