public void TestSerialize()
{
// 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) }));
// serialize and test size.
byte[] data = null;
var expected = 2 * 8 + // header, indexsize and coordinates size.
2 * 8 + // index.
4 * 8; // 8 coordinates.
using(var stream = new MemoryStream())
{
Assert.AreEqual(expected, coordinates.Serialize(stream));
data = stream.ToArray();
Assert.AreEqual(expected, data.Length);
}
// build a coordinate collection.
coordinates = new HugeCoordinateCollectionIndex(100);
// serialize and test size.
expected = 2 * 8 + // header, indexsize and coordinates size.
0 * 8 + // index.
0 * 8; // 8 coordinates.
using (var stream = new MemoryStream())
{
Assert.AreEqual(expected, coordinates.Serialize(stream));
data = stream.ToArray();
Assert.AreEqual(expected, data.Length);
}
// build a coordinate collection.
coordinates = new HugeCoordinateCollectionIndex(100);
coordinates.Add(0, null);
// serialize and test size.
expected = 2 * 8 + // header, indexsize and coordinates size.
1 * 8 + // index.
0 * 8; // 8 coordinates.
using (var stream = new MemoryStream())
{
Assert.AreEqual(expected, coordinates.Serialize(stream));
data = stream.ToArray();
Assert.AreEqual(expected, data.Length);
}
}
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 TestDeserialize()
{
// build a coordinate collection.
var coordinates = new HugeCoordinateCollectionIndex(100);
coordinates.Add(0, new CoordinateArrayCollection<GeoCoordinate>(
new GeoCoordinate[] {
new GeoCoordinate(0, 1),
new GeoCoordinate(2, 3) }));
coordinates.Add(1, new CoordinateArrayCollection<GeoCoordinate>(
new GeoCoordinate[] {
new GeoCoordinate(4, 5),
new GeoCoordinate(6, 7) }));
// serialize/deserialize and test size.
using (var stream = new MemoryStream())
{
coordinates.Serialize(stream);
stream.Seek(0, SeekOrigin.Begin);
coordinates = HugeCoordinateCollectionIndex.Deserialize(stream, false);
ICoordinateCollection actual;
Assert.IsTrue(coordinates.TryGet(0, out actual));
Assert.AreEqual(2, actual.Count);
Assert.AreEqual(0, actual.ElementAt(0).Latitude);
Assert.AreEqual(1, actual.ElementAt(0).Longitude);
Assert.AreEqual(2, actual.ElementAt(1).Latitude);
Assert.AreEqual(3, actual.ElementAt(1).Longitude);
Assert.IsTrue(coordinates.TryGet(1, out actual));
Assert.AreEqual(2, actual.Count);
Assert.AreEqual(4, actual.ElementAt(0).Latitude);
Assert.AreEqual(5, actual.ElementAt(0).Longitude);
Assert.AreEqual(6, actual.ElementAt(1).Latitude);
Assert.AreEqual(7, actual.ElementAt(1).Longitude);
}
// build a coordinate collection.
coordinates = new HugeCoordinateCollectionIndex(100);
// serialize/deserialize and test size.
using (var stream = new MemoryStream())
{
coordinates.Serialize(stream);
stream.Seek(0, SeekOrigin.Begin);
coordinates = HugeCoordinateCollectionIndex.Deserialize(stream, false);
Assert.AreEqual(0, coordinates.LengthIndex);
Assert.AreEqual(0, coordinates.LengthCoordinates);
}
// build a coordinate collection.
coordinates = new HugeCoordinateCollectionIndex(100);
coordinates.Add(0, null);
// serialize/deserialize and test size.
using (var stream = new MemoryStream())
{
coordinates.Serialize(stream);
stream.Seek(0, SeekOrigin.Begin);
coordinates = HugeCoordinateCollectionIndex.Deserialize(stream, false);
Assert.AreEqual(1, coordinates.LengthIndex);
Assert.AreEqual(0, coordinates.LengthCoordinates);
}
}
