public void TestSerialize()
{
OsmSharp.Math.Random.StaticRandomGenerator.Set(116542346);
var box = new GeoCoordinateBox(
new GeoCoordinate(90, 180),
new GeoCoordinate(-90, -180));
var size = 5;
var maxCollectionSize = 4;
var referenceDictionary = new Dictionary<long, ICoordinateCollection>();
var coordinates = new HugeCoordinateCollectionIndex(100);
for (int idx = 0; idx < size; idx++)
{
var currentSize = OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(maxCollectionSize) + 1;
var coordinatesArray = new GeoCoordinate[currentSize];
while (currentSize > 0)
{
coordinatesArray[currentSize - 1] = box.GenerateRandomIn(OsmSharp.Math.Random.StaticRandomGenerator.Get());
currentSize--;
}
var coordinatesCollection = new CoordinateArrayCollection<GeoCoordinate>(coordinatesArray);
referenceDictionary[idx] = coordinatesCollection;
coordinates[idx] = coordinatesCollection;
}
coordinates.Trim();
coordinates.Compress();
byte[] data = null;
using(var stream = new MemoryStream())
{
long length = coordinates.Serialize(stream);
data = stream.ToArray();
Assert.AreEqual(168, length);
Assert.AreEqual(data.Length, length);
}
var result = HugeCoordinateCollectionIndex.Deserialize(new MemoryStream(data));
// check result.
for (int idx = 0; idx < size; idx++)
{
var referenceCollection = referenceDictionary[idx];
var collection = result[idx];
referenceCollection.Reset();
collection.Reset();
while (referenceCollection.MoveNext())
{
Assert.IsTrue(collection.MoveNext());
Assert.AreEqual(referenceCollection.Latitude, collection.Latitude);
Assert.AreEqual(referenceCollection.Longitude, collection.Longitude);
}
Assert.IsFalse(collection.MoveNext());
}
result = HugeCoordinateCollectionIndex.Deserialize(new MemoryStream(data), true);
// check result.
for (int idx = 0; idx < size; idx++)
{
var referenceCollection = referenceDictionary[idx];
var collection = result[idx];
referenceCollection.Reset();
collection.Reset();
while (referenceCollection.MoveNext())
{
Assert.IsTrue(collection.MoveNext());
Assert.AreEqual(referenceCollection.Latitude, collection.Latitude);
Assert.AreEqual(referenceCollection.Longitude, collection.Longitude);
}
Assert.IsFalse(collection.MoveNext());
}
}
public void TestCompress()
{
// build a coordinate collection.
var coordinates = new HugeCoordinateCollectionIndex(100);
coordinates.Add(0, new CoordinateArrayCollection<GeoCoordinate>(
new GeoCoordinate[] {
new GeoCoordinate(0, 0),
new GeoCoordinate(1, 1) }));
coordinates.Add(1, new CoordinateArrayCollection<GeoCoordinate>(
new GeoCoordinate[] {
new GeoCoordinate(2, 2),
new GeoCoordinate(3, 3) }));
// compress.
coordinates.Compress();
// check if everything is still there.
Assert.AreEqual(8, coordinates.LengthCoordinates);
Assert.AreEqual(2, coordinates.LengthIndex);
Assert.IsTrue(coordinates[0].ElementAt(0).Latitude == 0);
Assert.IsTrue(coordinates[0].ElementAt(0).Longitude == 0);
Assert.IsTrue(coordinates[0].ElementAt(1).Latitude == 1);
Assert.IsTrue(coordinates[0].ElementAt(1).Longitude == 1);
Assert.IsTrue(coordinates[1].ElementAt(0).Latitude == 2);
Assert.IsTrue(coordinates[1].ElementAt(0).Longitude == 2);
Assert.IsTrue(coordinates[1].ElementAt(1).Latitude == 3);
Assert.IsTrue(coordinates[1].ElementAt(1).Longitude == 3);
// build a coordinate collection and remove some data.
coordinates = new HugeCoordinateCollectionIndex(100);
coordinates.Add(0, new CoordinateArrayCollection<GeoCoordinate>(
new GeoCoordinate[] {
new GeoCoordinate(0, 0),
new GeoCoordinate(1, 1) }));
coordinates.Add(1, new CoordinateArrayCollection<GeoCoordinate>(
new GeoCoordinate[] {
new GeoCoordinate(2, 2),
new GeoCoordinate(3, 3) }));
coordinates.Remove(0);
// compress.
coordinates.Compress();
// check if everything is still there.
Assert.AreEqual(4, coordinates.LengthCoordinates);
Assert.AreEqual(2, coordinates.LengthIndex);
ICoordinateCollection actual;
Assert.IsFalse(coordinates.TryGet(0, out actual));
Assert.IsTrue(coordinates[1].ElementAt(0).Latitude == 2);
Assert.IsTrue(coordinates[1].ElementAt(0).Longitude == 2);
Assert.IsTrue(coordinates[1].ElementAt(1).Latitude == 3);
Assert.IsTrue(coordinates[1].ElementAt(1).Longitude == 3);
}
