public void GetLocationsForSegmentInCorrectOrder()
{
var network = CreateThreeNodesNetwork();
var branch = (Branch)network.Branches[0];
var source = new NetworkCoverage {
Network = network
};
source[new NetworkLocation(branch, 10.0)] = 10.0;
source[new NetworkLocation(branch, 50.0)] = 30.0;
source[new NetworkLocation(branch, 60.0)] = 20.0;
source[new NetworkLocation(branch, 80.0)] = 10.0;
// retrieve the location of source that overlap with segmentUp
var segmentUp = new NetworkSegment {
Branch = branch, Chainage = 30, Length = 40
};
var locationsUp = RouteHelper.GetLocationsForSegment(segmentUp, source, false).ToList();
Assert.AreEqual(new NetworkLocation(branch, 50.0), locationsUp[0]);
Assert.AreEqual(new NetworkLocation(branch, 60.0), locationsUp[1]);
// retrieve the location of source that overlap with segmentDown; the direction
// is negative and the location offset are thus descending
var segmentDown = new NetworkSegment
{
Branch = branch,
Chainage = 90,
Length = 50,
DirectionIsPositive = false
};
var locationsDown = RouteHelper.GetLocationsForSegment(segmentDown, source, false).ToList();
Assert.AreEqual(new NetworkLocation(branch, 80.0), locationsDown[0]);
Assert.AreEqual(new NetworkLocation(branch, 60.0), locationsDown[1]);
Assert.AreEqual(new NetworkLocation(branch, 50.0), locationsDown[2]);
}