public void ShouldSimplifyVerticalEdges()
{
var graph = SectorEdgeGraph.FromEdges(new[] {
BuildEdge(
new Position(0, 0),
EdgeSegmentId.VerticalTop,
left: SquarePoint.TopMiddle,
right: SquarePoint.Center),
BuildEdge(
new Position(0, 0),
EdgeSegmentId.VerticalBottom,
left: SquarePoint.Center,
right: SquarePoint.BottomMiddle),
BuildEdge(
new Position(0, -1),
EdgeSegmentId.VerticalTop,
left: SquarePoint.TopMiddle,
right: SquarePoint.Center),
BuildEdge(
new Position(0, -1),
EdgeSegmentId.VerticalBottom,
left: SquarePoint.Center,
right: SquarePoint.BottomMiddle)
});
var simpleGraph = graph.Simplify();
simpleGraph.EdgeCount.Should().Be(1);
var edge = simpleGraph.GetAllEdges().First();
edge.Start.Should().Be(new LatticePoint(new Position(0, 0), SquarePoint.TopMiddle));
edge.End.Should().Be(new LatticePoint(new Position(0, -1), SquarePoint.BottomMiddle));
}
public void ShouldSimplifyHorizontalEdges()
{
var graph = SectorEdgeGraph.FromEdges(new[] {
BuildEdge(
new Position(0, 0),
EdgeSegmentId.HorizontalLeft,
left: SquarePoint.LeftMiddle,
right: SquarePoint.Center),
BuildEdge(
new Position(0, 0),
EdgeSegmentId.HorizontalRight,
left: SquarePoint.Center,
right: SquarePoint.RightMiddle),
BuildEdge(
new Position(1, 0),
EdgeSegmentId.HorizontalLeft,
left: SquarePoint.LeftMiddle,
right: SquarePoint.Center),
BuildEdge(
new Position(1, 0),
EdgeSegmentId.HorizontalRight,
left: SquarePoint.Center,
right: SquarePoint.RightMiddle)
});
var simpleGraph = graph.Simplify();
simpleGraph.EdgeCount.Should().Be(1);
var edge = simpleGraph.GetAllEdges().First();
edge.Start.Should().Be(new LatticePoint(new Position(0, 0), SquarePoint.LeftMiddle));
edge.End.Should().Be(new LatticePoint(new Position(1, 0), SquarePoint.RightMiddle));
}
public void ShouldSimplifyPositiveSlopedEdges()
{
var graph = SectorEdgeGraph.FromEdges(new[] {
BuildEdge(
new Position(0, 0),
EdgeSegmentId.DiagTopLeft,
left: SquarePoint.LeftMiddle,
right: SquarePoint.TopMiddle),
BuildEdge(
new Position(0, 1),
EdgeSegmentId.DiagBottomRight,
left: SquarePoint.BottomMiddle,
right: SquarePoint.RightMiddle),
BuildEdge(
new Position(1, 1),
EdgeSegmentId.DiagTopLeft,
left: SquarePoint.LeftMiddle,
right: SquarePoint.TopMiddle),
BuildEdge(
new Position(1, 2),
EdgeSegmentId.DiagBottomRight,
left: SquarePoint.BottomMiddle,
right: SquarePoint.RightMiddle)
});
var simpleGraph = graph.Simplify();
simpleGraph.EdgeCount.Should().Be(1);
var edge = simpleGraph.GetAllEdges().First();
edge.Start.Should().Be(new LatticePoint(new Position(0, 0), SquarePoint.LeftMiddle));
edge.End.Should().Be(new LatticePoint(new Position(1, 2), SquarePoint.RightMiddle));
}
public void ShouldConnectTwoEdges()
{
var graph = SectorEdgeGraph.FromEdges(new[] {
BuildEdge(
Position.Origin,
EdgeSegmentId.DiagBottomRight,
left: SquarePoint.BottomMiddle,
right: SquarePoint.RightMiddle),
BuildEdge(
new Position(1, 0),
EdgeSegmentId.DiagTopLeft,
left: SquarePoint.LeftMiddle,
right: SquarePoint.TopMiddle)
});
graph.EdgeCount.Should().Be(2);
graph.GetEdgesConnectedTo(new LatticePoint(Position.Origin, SquarePoint.RightMiddle)).Should().HaveCount(2);
}
