public void TestTrim()
{
OsmSharp.Math.Random.StaticRandomGenerator.Set(116542346);
var box = new GeoCoordinateBox(
new GeoCoordinate(90, 180),
new GeoCoordinate(-90, -180));
var size = 100;
var maxCollectionSize = 4;
var referenceDictionary = new Dictionary<long, ICoordinateCollection>();
var coordinates = new HugeCoordinateCollectionIndex(400);
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;
}
// execute the trim.
coordinates.Trim();
// check result.
for (int idx = 0; idx < size; idx++)
{
var referenceCollection = referenceDictionary[idx];
var collection = coordinates[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 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());
}
}