public void TestGetBoundingBox()
{
var dataSource = new MemoryDataSource();
// test nodes.
Node node = new Node();
node.Id = 1;
node.Longitude = -2;
node.Latitude = -1;
dataSource.AddNode(node);
node = new Node();
node.Id = 2;
node.Longitude = 2;
node.Latitude = 1;
dataSource.AddNode(node);
GeoCoordinateBox box = dataSource.BoundingBox;
IList<OsmGeo> boxResults = dataSource.Get(box, null);
Assert.IsNotNull(boxResults);
Assert.AreEqual(1, boxResults.Count);
boxResults = dataSource.Get(box.Resize(0.1), null);
Assert.IsNotNull(boxResults);
Assert.AreEqual(2, boxResults.Count);
node = new Node();
node.Id = 3;
node.Latitude = 10;
node.Longitude = 10;
dataSource.AddNode(node);
node = new Node();
node.Id = 4;
node.Latitude = -10;
node.Longitude = -10;
dataSource.AddNode(node);
boxResults = dataSource.Get(box, null);
Assert.IsNotNull(boxResults);
Assert.AreEqual(1, boxResults.Count);
boxResults = dataSource.Get(box.Resize(0.1), null);
Assert.IsNotNull(boxResults);
Assert.AreEqual(2, boxResults.Count);
// test ways.
Way positive = new Way();
positive.Id = 1;
positive.Nodes = new List<long>();
positive.Nodes.Add(1);
positive.Nodes.Add(2);
dataSource.AddWay(positive);
Way halfPositive = new Way();
halfPositive.Id = 2;
halfPositive.Nodes = new List<long>();
halfPositive.Nodes.Add(1);
halfPositive.Nodes.Add(3);
dataSource.AddWay(halfPositive);
Way negative = new Way();
negative.Id = 3;
negative.Nodes = new List<long>();
negative.Nodes.Add(3);
negative.Nodes.Add(4);
dataSource.AddWay(negative);
HashSet<OsmGeo> boxResultWithWays = new HashSet<OsmGeo>(dataSource.Get(box, null));
Assert.IsTrue(boxResultWithWays.Contains(positive));
Assert.IsTrue(boxResultWithWays.Contains(halfPositive));
Assert.IsFalse(boxResultWithWays.Contains(negative));
// test relations.
Relation positiveRelation1 = new Relation();
positiveRelation1.Id = 1;
positiveRelation1.Members = new List<RelationMember>();
positiveRelation1.Members.Add(new RelationMember()
{
MemberId = 1,
MemberType = OsmGeoType.Node,
MemberRole = "node"
});
dataSource.AddRelation(positiveRelation1);
Relation positiveRelation2 = new Relation();
positiveRelation2.Id = 2;
positiveRelation2.Members = new List<RelationMember>();
positiveRelation2.Members.Add(new RelationMember()
{
MemberId = 1,
MemberType = OsmGeoType.Way,
MemberRole = "way"
});
dataSource.AddRelation(positiveRelation2);
Relation negativeRelation3 = new Relation();
negativeRelation3.Id = 3;
negativeRelation3.Members = new List<RelationMember>();
negativeRelation3.Members.Add(new RelationMember()
{
MemberId = 3,
MemberType = OsmGeoType.Way,
MemberRole = "way"
});
dataSource.AddRelation(positiveRelation2);
HashSet<OsmGeo> boxResultWithWaysAndRelations = new HashSet<OsmGeo>(dataSource.Get(box, null));
Assert.IsTrue(boxResultWithWaysAndRelations.Contains(positiveRelation1));
Assert.IsTrue(boxResultWithWaysAndRelations.Contains(positiveRelation2));
Assert.IsFalse(boxResultWithWaysAndRelations.Contains(negativeRelation3));
// test recursive relations.
Relation recusive1 = new Relation();
recusive1.Id = 10;
recusive1.Members = new List<RelationMember>();
recusive1.Members.Add(new RelationMember()
{
MemberId = 1,
MemberType = OsmGeoType.Relation,
MemberRole = "relation"
});
dataSource.AddRelation(recusive1);
Relation recusive2 = new Relation();
recusive2.Id = 11;
recusive2.Members = new List<RelationMember>();
recusive2.Members.Add(new RelationMember()
{
MemberId = 10,
MemberType = OsmGeoType.Relation,
MemberRole = "relation"
});
dataSource.AddRelation(recusive2);
Relation recusive3 = new Relation();
recusive3.Id = 12;
recusive3.Members = new List<RelationMember>();
recusive3.Members.Add(new RelationMember()
{
MemberId = 11,
MemberType = OsmGeoType.Relation,
MemberRole = "relation"
});
dataSource.AddRelation(recusive3);
boxResultWithWaysAndRelations = new HashSet<OsmGeo>(dataSource.Get(box, null));
Assert.IsTrue(boxResultWithWaysAndRelations.Contains(recusive1));
Assert.IsTrue(boxResultWithWaysAndRelations.Contains(recusive2));
Assert.IsTrue(boxResultWithWaysAndRelations.Contains(recusive3));
}